diff --git a/src/js/components/Overview/Chart.tsx b/src/js/components/Overview/Chart.tsx
index 82eb7c7a..a1561ebb 100644
--- a/src/js/components/Overview/Chart.tsx
+++ b/src/js/components/Overview/Chart.tsx
@@ -4,7 +4,7 @@ import { useNavigate } from 'react-router-dom';
 import { BarChart, PieChart } from 'bento-charts';
 import { ChoroplethMap } from 'bento-charts/dist/maps';
 
-import { CHART_HEIGHT } from '@/constants/overviewConstants';
+import { CHART_HEIGHT, PIE_CHART_HEIGHT } from '@/constants/overviewConstants';
 import { ChartData } from '@/types/data';
 import { CHART_TYPE_BAR, CHART_TYPE_CHOROPLETH, CHART_TYPE_PIE, ChartConfig } from '@/types/chartConfig';
 
@@ -18,11 +18,10 @@ const Chart = memo(({ chartConfig, data, units, id }: ChartProps) => {
 
   switch (type) {
     case CHART_TYPE_BAR:
-      // bar charts can be rendered slightly larger as they do not clip
       return (
         <BarChart
           data={data}
-          height={CHART_HEIGHT + 50}
+          height={CHART_HEIGHT}
           units={units}
           preFilter={removeMissing}
           dataMap={translateMap}
@@ -35,7 +34,7 @@ const Chart = memo(({ chartConfig, data, units, id }: ChartProps) => {
       return (
         <PieChart
           data={data}
-          height={CHART_HEIGHT}
+          height={PIE_CHART_HEIGHT}
           preFilter={removeMissing}
           dataMap={translateMap}
           onClick={(d) => {
@@ -44,12 +43,11 @@ const Chart = memo(({ chartConfig, data, units, id }: ChartProps) => {
         />
       );
     case CHART_TYPE_CHOROPLETH: {
-      // map charts can be rendered at full height as they do not clip
       const { category_prop: categoryProp, features, center, zoom, color_mode: colorMode } = chartConfig;
       return (
         <ChoroplethMap
           data={data}
-          height={CHART_HEIGHT + 50}
+          height={CHART_HEIGHT}
           preFilter={removeMissing}
           dataMap={translateMap}
           categoryProp={categoryProp}
diff --git a/src/js/components/Overview/ChartCard.tsx b/src/js/components/Overview/ChartCard.tsx
index bb30490c..4ac93568 100644
--- a/src/js/components/Overview/ChartCard.tsx
+++ b/src/js/components/Overview/ChartCard.tsx
@@ -6,10 +6,12 @@ import { useTranslation } from 'react-i18next';
 import CustomEmpty from '../Util/CustomEmpty';
 import { DEFAULT_TRANSLATION, NON_DEFAULT_TRANSLATION } from '@/constants/configConstants';
 import { ChartDataField } from '@/types/data';
+import { CHART_HEIGHT } from '@/constants/overviewConstants';
 
-const CARD_STYLE = { width: '100%', height: '415px', margin: '5px 0', borderRadius: '11px' };
+const CARD_STYLE = { width: '100%', height: '415px', borderRadius: '11px' };
+const ROW_EMPTY_STYLE = { height: `${CHART_HEIGHT}px` };
 
-const ChartCard = memo(({ section, chart, onRemoveChart }: ChartCardProps) => {
+const ChartCard = memo(({ section, chart, onRemoveChart, width }: ChartCardProps) => {
   const { t } = useTranslation(NON_DEFAULT_TRANSLATION);
   const { t: td } = useTranslation(DEFAULT_TRANSLATION);
 
@@ -38,12 +40,13 @@ const ChartCard = memo(({ section, chart, onRemoveChart }: ChartCardProps) => {
   // missing count label
   const missingCount = data.find((e) => e.x === 'missing')?.y ?? 0;
 
-  if (missingCount)
+  if (missingCount) {
     ed.push(
       <Typography.Text key={0} type="secondary" italic>
         <TeamOutlined /> {missingCount} {td('missing')}
       </Typography.Text>
     );
+  }
 
   // controls (buttons)
   extraOptionsData.forEach((opt) => {
@@ -54,13 +57,20 @@ const ChartCard = memo(({ section, chart, onRemoveChart }: ChartCardProps) => {
     );
   });
 
+  // We add a key to the chart which includes width to force a re-render if width changes.
   return (
-    <div key={id} style={{ height: '100%', width: '430px' }}>
+    <div key={id} style={{ height: '100%', width }}>
       <Card title={t(title)} style={CARD_STYLE} size="small" extra={<Space size="small">{ed}</Space>}>
         {data.filter((e) => !(e.x === 'missing')).length !== 0 ? (
-          <Chart chartConfig={chartConfig} data={data} units={config?.units || ''} id={id} />
+          <Chart
+            chartConfig={chartConfig}
+            data={data}
+            units={config?.units || ''}
+            id={id}
+            key={`${id}-width-${width}`}
+          />
         ) : (
-          <Row style={{ height: '350px ' }} justify="center" align="middle">
+          <Row style={ROW_EMPTY_STYLE} justify="center" align="middle">
             <CustomEmpty text="No Data" />
           </Row>
         )}
@@ -75,6 +85,7 @@ export interface ChartCardProps {
   section: string;
   chart: ChartDataField;
   onRemoveChart: (arg: { section: string; id: string }) => void;
+  width: number;
 }
 
 export default ChartCard;
diff --git a/src/js/components/Overview/Drawer/ChartTree.tsx b/src/js/components/Overview/Drawer/ChartTree.tsx
index 79c50c5d..c1b78c3b 100644
--- a/src/js/components/Overview/Drawer/ChartTree.tsx
+++ b/src/js/components/Overview/Drawer/ChartTree.tsx
@@ -1,14 +1,14 @@
-import React, { useMemo } from 'react';
+import React, { ReactNode, useMemo } from 'react';
 import { useDispatch } from 'react-redux';
-import { Tree, TreeProps } from 'antd';
+import { InputNumber, Tree, TreeProps } from 'antd';
 import { useTranslation } from 'react-i18next';
 
-import { rearrange, setDisplayedCharts } from '@/features/data/data.store';
+import { rearrange, setDisplayedCharts, setChartWidth } from '@/features/data/data.store';
 import { NON_DEFAULT_TRANSLATION } from '@/constants/configConstants';
 import { ChartDataField } from '@/types/data';
 
 interface MappedChartItem {
-  title: string;
+  title: ReactNode;
   key: string;
 }
 
@@ -17,7 +17,31 @@ const ChartTree = ({ charts, section }: ChartTreeProps) => {
   const { t } = useTranslation(NON_DEFAULT_TRANSLATION);
 
   const allCharts: MappedChartItem[] = useMemo(
-    () => charts.map(({ field: { title }, id }) => ({ title: t(title), key: id })),
+    () =>
+      charts.map(({ field: { title }, id, width }) => ({
+        title: (
+          <div style={{ display: 'flex' }}>
+            <span style={{ flex: 1 }}>{t(title)}</span>
+            <span>
+              Width:{' '}
+              <InputNumber
+                size="small"
+                min={1}
+                max={3}
+                value={width}
+                onChange={(v) => {
+                  if (v) {
+                    dispatch(setChartWidth({ section, chart: id, width: v }));
+                  }
+                }}
+                controls={true}
+                style={{ width: 50 }}
+              />
+            </span>
+          </div>
+        ),
+        key: id,
+      })),
     [charts]
   );
 
@@ -38,7 +62,7 @@ const ChartTree = ({ charts, section }: ChartTreeProps) => {
 
   const onCheck = useMemo(() => {
     const fn: TreeProps['onCheck'] = (checkedKeysValue) => {
-      dispatch(setDisplayedCharts({ section, charts: checkedKeysValue }));
+      dispatch(setDisplayedCharts({ section, charts: checkedKeysValue as string[] }));
     };
     return fn;
   }, [dispatch, section]);
diff --git a/src/js/components/Overview/OverviewDisplayData.tsx b/src/js/components/Overview/OverviewDisplayData.tsx
index 73b637f9..3b1f4daf 100644
--- a/src/js/components/Overview/OverviewDisplayData.tsx
+++ b/src/js/components/Overview/OverviewDisplayData.tsx
@@ -1,35 +1,45 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { CSSProperties, useCallback, useEffect, useMemo, useState } from 'react';
 import { useDispatch } from 'react-redux';
-import { List } from 'antd';
 
-import ChartCard from './ChartCard';
 import { disableChart } from '@/features/data/data.store';
 import { ChartDataField } from '@/types/data';
+import ChartCard from './ChartCard';
+
+const CHART_GUTTER = 16;
 
 const getColumnCount = (width: number): number => {
-  if (width < 990) {
+  if (width < 880) {
     return 1;
   } else if (width < 1420) {
     return 2;
   } else return 3;
 };
 
+// Keep these quantized rather than a function of width for two reasons:
+//  - makes design more predictable
+//  - we don't need to re-render children for all width changes, just for some
 const getFrameWidth = (width: number): number => {
-  if (width < 990) {
-    return 360;
+  if (width < 820) {
+    return 440;
+  } else if (width < 1060) {
+    return 780;
   } else if (width < 1420) {
-    return 910;
-  } else return 1325;
+    return 960;
+  } else {
+    return 1325;
+  }
 };
 
 const OverviewDisplayData = ({ section, allCharts }: OverviewDisplayDataProps) => {
   const dispatch = useDispatch();
 
   const { width } = useWindowSize();
+  const columnCount = getColumnCount(width);
+  const frameWidth = getFrameWidth(width);
 
-  const [listStyle, listGrid] = useMemo(
-    () => [{ width: `${getFrameWidth(width)}px` }, { gutter: 0, column: getColumnCount(width) }],
-    [width]
+  const containerStyle = useMemo<CSSProperties>(
+    () => ({ width: frameWidth, display: 'flex', flexWrap: 'wrap', gap: CHART_GUTTER }),
+    [frameWidth]
   );
 
   const displayedCharts = useMemo(() => allCharts.filter((e) => e.isDisplayed), [allCharts]);
@@ -42,19 +52,23 @@ const OverviewDisplayData = ({ section, allCharts }: OverviewDisplayDataProps) =
   );
 
   const renderItem = useCallback(
-    (chart: ChartDataField) => (
-      <ChartCard key={chart.id} chart={chart} section={section} onRemoveChart={onRemoveChart} />
-    ),
-    [section, onRemoveChart]
+    (chart: ChartDataField) => {
+      const columnWidth = Math.min(chart.width, columnCount);
+      const pixelWidth = (columnWidth / columnCount) * (frameWidth - CHART_GUTTER * (columnCount - columnWidth));
+      return (
+        <ChartCard key={chart.id} chart={chart} section={section} onRemoveChart={onRemoveChart} width={pixelWidth} />
+      );
+    },
+    [section, onRemoveChart, width]
   );
 
-  return <List style={listStyle} grid={listGrid} dataSource={displayedCharts} renderItem={renderItem} />;
+  return <div style={containerStyle}>{displayedCharts.map(renderItem)}</div>;
 };
 
 const useWindowSize = () => {
   const [windowSize, setWindowSize] = useState({
-    width: 0,
-    height: 0,
+    width: window.innerWidth,
+    height: window.innerHeight,
   });
 
   useEffect(() => {
diff --git a/src/js/components/Overview/PublicOverview.tsx b/src/js/components/Overview/PublicOverview.tsx
index 7c2bc4ca..f90cb19a 100644
--- a/src/js/components/Overview/PublicOverview.tsx
+++ b/src/js/components/Overview/PublicOverview.tsx
@@ -3,6 +3,8 @@ import { Row, Col, FloatButton, Card, Skeleton } from 'antd';
 import { PlusOutlined } from '@ant-design/icons';
 
 import { convertSequenceAndDisplayData, saveValue } from '@/utils/localStorage';
+import type { Sections } from '@/types/data';
+
 import { LOCALSTORAGE_CHARTS_KEY } from '@/constants/overviewConstants';
 
 import OverviewSection from './OverviewSection';
@@ -28,7 +30,7 @@ const PublicOverview = () => {
 
   useEffect(() => {
     // Save sections to localStorage when they change
-    saveValue(LOCALSTORAGE_CHARTS_KEY, convertSequenceAndDisplayData(sections));
+    saveToLocalStorage(sections);
   }, [sections]);
 
   useEffect(() => {
@@ -40,7 +42,11 @@ const PublicOverview = () => {
   const displayedSections = sections.filter(({ charts }) => charts.findIndex(({ isDisplayed }) => isDisplayed) !== -1);
 
   const onManageChartsOpen = useCallback(() => setDrawerVisible(true), []);
-  const onManageChartsClose = useCallback(() => setDrawerVisible(false), []);
+  const onManageChartsClose = useCallback(() => {
+    setDrawerVisible(false);
+    // When we close the drawer, save any changes to localStorage. This helps ensure width gets saved:
+    saveToLocalStorage(sections);
+  }, [sections]);
 
   return (
     <>
@@ -86,4 +92,8 @@ const PublicOverview = () => {
   );
 };
 
+const saveToLocalStorage = (sections: Sections) => {
+  saveValue(LOCALSTORAGE_CHARTS_KEY, convertSequenceAndDisplayData(sections));
+};
+
 export default PublicOverview;
diff --git a/src/js/components/Search/SearchResultsPane.tsx b/src/js/components/Search/SearchResultsPane.tsx
index c642d1ee..6536a9f5 100644
--- a/src/js/components/Search/SearchResultsPane.tsx
+++ b/src/js/components/Search/SearchResultsPane.tsx
@@ -5,7 +5,7 @@ import { BiDna } from 'react-icons/bi';
 import { PieChart } from 'bento-charts';
 import CustomEmpty from '../Util/CustomEmpty';
 import ExpSvg from '../Util/ExpSvg';
-import { CHART_HEIGHT, COUNTS_FILL } from '@/constants/overviewConstants';
+import { COUNTS_FILL, PIE_CHART_HEIGHT } from '@/constants/overviewConstants';
 import { useTranslationDefault } from '@/hooks';
 import { ChartData } from '@/types/data';
 
@@ -53,7 +53,7 @@ const SearchResultsPane = ({
           <Col xs={24} lg={10}>
             <Typography.Title level={5}>{t('Biosamples')}</Typography.Title>
             {!hasInsufficientData && biosampleChartData.length ? (
-              <PieChart data={biosampleChartData} height={CHART_HEIGHT} sort={true} />
+              <PieChart data={biosampleChartData} height={PIE_CHART_HEIGHT} sort={true} />
             ) : (
               <CustomEmpty text="No Results" />
             )}
@@ -61,7 +61,7 @@ const SearchResultsPane = ({
           <Col xs={24} lg={10}>
             <Typography.Title level={5}>{t('Experiments')}</Typography.Title>
             {!hasInsufficientData && experimentChartData.length ? (
-              <PieChart data={experimentChartData} height={CHART_HEIGHT} sort={true} />
+              <PieChart data={experimentChartData} height={PIE_CHART_HEIGHT} sort={true} />
             ) : (
               <CustomEmpty text="No Results" />
             )}
diff --git a/src/js/constants/overviewConstants.ts b/src/js/constants/overviewConstants.ts
index 9c656d08..467a4e94 100644
--- a/src/js/constants/overviewConstants.ts
+++ b/src/js/constants/overviewConstants.ts
@@ -2,4 +2,6 @@ export const COUNTS_FILL = '#75787a';
 
 export const LOCALSTORAGE_CHARTS_KEY = 'charts';
 
-export const CHART_HEIGHT = 300;
+export const CHART_HEIGHT = 350;
+export const PIE_CHART_HEIGHT = 300; // rendered slightly smaller since labels can clip
+export const DEFAULT_CHART_WIDTH = 1;
diff --git a/src/js/features/data/data.store.ts b/src/js/features/data/data.store.ts
index 39f3a215..34c697c8 100644
--- a/src/js/features/data/data.store.ts
+++ b/src/js/features/data/data.store.ts
@@ -34,7 +34,7 @@ const data = createSlice({
       const { section, id } = payload;
       state.sections.find((e) => e.sectionTitle === section)!.charts.find((e) => e.id === id)!.isDisplayed = false;
     },
-    setDisplayedCharts: (state, { payload }) => {
+    setDisplayedCharts: (state, { payload }: PayloadAction<{ section: string; charts: string[] }>) => {
       const { section, charts } = payload;
       state.sections
         .find((e) => e.sectionTitle === section)!
@@ -42,6 +42,11 @@ const data = createSlice({
           arr[ind].isDisplayed = charts.includes(val.id);
         });
     },
+    setChartWidth: (state, { payload }: PayloadAction<{ section: string; chart: string; width: number }>) => {
+      const { section, chart, width } = payload;
+      const chartObj = state.sections.find((e) => e.sectionTitle === section)!.charts.find((c) => c.id === chart)!;
+      chartObj.width = width;
+    },
   },
   extraReducers: (builder) => {
     builder
@@ -59,6 +64,6 @@ const data = createSlice({
   },
 });
 
-export const { rearrange, disableChart, setDisplayedCharts } = data.actions;
+export const { rearrange, disableChart, setDisplayedCharts, setChartWidth } = data.actions;
 export { makeGetDataRequestThunk };
 export default data.reducer;
diff --git a/src/js/features/data/makeGetDataRequest.thunk.ts b/src/js/features/data/makeGetDataRequest.thunk.ts
index 5be3351d..8768fcc9 100644
--- a/src/js/features/data/makeGetDataRequest.thunk.ts
+++ b/src/js/features/data/makeGetDataRequest.thunk.ts
@@ -4,7 +4,7 @@ import { MAX_CHARTS, publicOverviewUrl } from '@/constants/configConstants';
 
 import { verifyData, saveValue, getValue, convertSequenceAndDisplayData } from '@/utils/localStorage';
 
-import { LOCALSTORAGE_CHARTS_KEY } from '@/constants/overviewConstants';
+import { DEFAULT_CHART_WIDTH, LOCALSTORAGE_CHARTS_KEY } from '@/constants/overviewConstants';
 import { serializeChartData } from '@/utils/chart';
 import { ChartConfig } from '@/types/chartConfig';
 import { ChartDataField, LocalStorageData, Sections } from '@/types/data';
@@ -33,9 +33,11 @@ export const makeGetDataRequestThunk = createAsyncThunk<
     return {
       id: field.id,
       chartConfig: chart,
-      isDisplayed: i < MAX_CHARTS,
       field,
       data: serializeChartData(field.data),
+      // Initial display state
+      isDisplayed: i < MAX_CHARTS,
+      width: chart.width ?? DEFAULT_CHART_WIDTH, // initial configured width; users can change it from here
     };
   };
 
@@ -50,9 +52,10 @@ export const makeGetDataRequestThunk = createAsyncThunk<
     verifyData(val, convertedData)
   );
   sectionData.forEach(({ sectionTitle, charts }, i, arr) => {
-    arr[i].charts = localValue[sectionTitle].map(({ id, isDisplayed }) => ({
+    arr[i].charts = localValue[sectionTitle].map(({ id, isDisplayed, width }) => ({
       ...charts.find((c) => c.id === id)!,
       isDisplayed,
+      width,
     }));
   });
 
diff --git a/src/js/types/chartConfig.ts b/src/js/types/chartConfig.ts
index 5a2fc346..ff325372 100644
--- a/src/js/types/chartConfig.ts
+++ b/src/js/types/chartConfig.ts
@@ -10,21 +10,27 @@ ChartConfig: represents what is stored in the configuration file for describing
 the field metadata (description / mapping information / units / etc.) By using a sum type here, we can optionally
 mandate configuration information for certain types of charts.
  */
-export type ChartConfig =
-  | {
-      chart_type: typeof CHART_TYPE_PIE;
-      field: string;
-    }
-  | {
-      chart_type: typeof CHART_TYPE_BAR;
-      field: string;
-    }
-  | {
-      chart_type: typeof CHART_TYPE_CHOROPLETH;
-      field: string;
-      category_prop: ChoroplethMapProps['categoryProp'];
-      color_mode: ChoroplethMapProps['colorMode'];
-      features: ChoroplethMapProps['features'];
-      center: ChoroplethMapProps['center'];
-      zoom: ChoroplethMapProps['zoom'];
-    };
+
+interface BaseChartConfig {
+  field: string;
+  width?: number;
+}
+
+interface ChartConfigPie extends BaseChartConfig {
+  chart_type: typeof CHART_TYPE_PIE;
+}
+
+interface ChartConfigBar extends BaseChartConfig {
+  chart_type: typeof CHART_TYPE_BAR;
+}
+
+interface ChartConfigChoropleth extends BaseChartConfig {
+  chart_type: typeof CHART_TYPE_CHOROPLETH;
+  category_prop: ChoroplethMapProps['categoryProp'];
+  color_mode: ChoroplethMapProps['colorMode'];
+  features: ChoroplethMapProps['features'];
+  center: ChoroplethMapProps['center'];
+  zoom: ChoroplethMapProps['zoom'];
+}
+
+export type ChartConfig = ChartConfigPie | ChartConfigBar | ChartConfigChoropleth;
diff --git a/src/js/types/data.ts b/src/js/types/data.ts
index 6044b181..b7687e55 100644
--- a/src/js/types/data.ts
+++ b/src/js/types/data.ts
@@ -17,10 +17,12 @@ This represents a chart's "state", since it also has the isDisplayed property -
 export interface ChartDataField {
   id: string; // taken from field definition
   data: ChartData[];
-  isDisplayed: boolean;
   // Field definition without data (we have mapped data in the data prop above instead):
   field: Omit<OverviewResponseDataField, 'data'>;
   chartConfig: ChartConfig;
+  // display options:
+  isDisplayed: boolean; // whether the chart is currently displayed (state data)
+  width: number; // current width (state data); initial data taken from chart config
 }
 
 export interface ChartData {
@@ -29,5 +31,5 @@ export interface ChartData {
 }
 
 export type LocalStorageData = {
-  [key in string]: { id: string; isDisplayed: boolean }[];
+  [key in string]: { id: string; isDisplayed: boolean; width: number }[];
 };
diff --git a/src/js/utils/localStorage.ts b/src/js/utils/localStorage.ts
index 61f6072d..d1710590 100644
--- a/src/js/utils/localStorage.ts
+++ b/src/js/utils/localStorage.ts
@@ -7,8 +7,8 @@ export const verifyData = (nObj: any, oObj: LocalStorageData) => {
     if (nCharts.length !== oCharts.length) return false;
 
     const nChartsMap: { [key in string]: boolean } = {};
-    for (const { id, isDisplayed } of nCharts) {
-      if (id && typeof isDisplayed === 'boolean') nChartsMap[id] = true;
+    for (const { id, isDisplayed, width } of nCharts) {
+      if (id && typeof isDisplayed === 'boolean' && typeof width === 'number') nChartsMap[id] = true;
       else return false;
     }
     return oCharts.every((e) => nChartsMap[e.id]);
@@ -33,12 +33,12 @@ export const getValue = <T>(key: string, defaultVal: T, verifyFunc: (arg: any) =
     if (serializedState === null) {
       return defaultVal;
     }
-    const unserializedState = JSON.parse(serializedState);
-    if (!verifyFunc(unserializedState)) {
+    const deserializedState = JSON.parse(serializedState);
+    if (!verifyFunc(deserializedState)) {
       return defaultVal;
     }
 
-    return unserializedState as T;
+    return deserializedState as T;
   } catch (err) {
     console.log(err);
     console.log('Error retrieving state from localStorage');
@@ -49,7 +49,7 @@ export const getValue = <T>(key: string, defaultVal: T, verifyFunc: (arg: any) =
 export const convertSequenceAndDisplayData = (sections: Sections) => {
   const temp: LocalStorageData = {};
   sections.forEach(({ sectionTitle, charts }) => {
-    temp[sectionTitle] = charts.map(({ id, isDisplayed }) => ({ id, isDisplayed }));
+    temp[sectionTitle] = charts.map(({ id, isDisplayed, width }) => ({ id, isDisplayed, width }));
   });
   return temp;
 };