diff --git a/client/package-lock.json b/client/package-lock.json
index 823e7ed9..d6f7e5c4 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -5202,6 +5202,17 @@
         "randomatic": "^3.0.0",
         "repeat-element": "^1.1.2",
         "repeat-string": "^1.5.2"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-2.1.0.tgz",
+          "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
+          "dev": true,
+          "requires": {
+            "kind-of": "^3.0.2"
+          }
+        }
       }
     },
     "finalhandler": {
@@ -6776,13 +6787,9 @@
       "dev": true
     },
     "is-number": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-number/-/is-number-2.1.0.tgz",
-      "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
-      "dev": true,
-      "requires": {
-        "kind-of": "^3.0.2"
-      }
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng=="
     },
     "is-obj": {
       "version": "1.0.1",
diff --git a/client/package.json b/client/package.json
index 872d5942..669d5ab0 100644
--- a/client/package.json
+++ b/client/package.json
@@ -37,6 +37,7 @@
     "fuzzysort": "^1.1.4",
     "gl-mat4": "^1.1.4",
     "gl-matrix": "^2.7.1",
+    "is-number": "^7.0.0",
     "key-pressed": "0.0.1",
     "lodash": "^4.17.4",
     "memoize-one": "^4.0.0",
diff --git a/client/src/components/categorical/category.js b/client/src/components/categorical/category.js
index 5d56f350..4928e8a3 100644
--- a/client/src/components/categorical/category.js
+++ b/client/src/components/categorical/category.js
@@ -6,7 +6,7 @@ import { Button, Tooltip } from "@blueprintjs/core";
 
 import * as globals from "../../globals";
 import Value from "./value";
-import alphabeticallySortedValues from "./util";
+import sortedCategoryValues from "./util";
 
 @connect(state => ({
   colorAccessor: state.controls.colorAccessor,
@@ -86,9 +86,10 @@ class Category extends React.Component {
     const { categoricalSelectionState, metadataField } = this.props;
 
     const cat = categoricalSelectionState[metadataField];
-    const optTuples = alphabeticallySortedValues([...cat.categoryIndices]);
+    const optTuples = sortedCategoryValues([...cat.categoryIndices]);
     return _.map(optTuples, (tuple, i) => (
       <Value
+        optTuples={optTuples}
         key={tuple[1]}
         metadataField={metadataField}
         categoryIndex={tuple[1]}
diff --git a/client/src/components/categorical/occupancy.js b/client/src/components/categorical/occupancy.js
new file mode 100644
index 00000000..a3ee1bca
--- /dev/null
+++ b/client/src/components/categorical/occupancy.js
@@ -0,0 +1,73 @@
+// jshint esversion: 6
+import React from "react";
+import _ from "lodash";
+import { connect } from "react-redux";
+import * as d3 from "d3";
+
+@connect()
+class Occupancy extends React.Component {
+  render() {
+    const {
+      occupancy,
+      colorScale,
+      categoricalSelectionState,
+      colorAccessor,
+      schema
+    } = this.props;
+    const width = 100;
+    const height = 11;
+
+    const categories = _.filter(schema.annotations.obs, {
+      name: colorAccessor
+    })[0].categories;
+
+    const x = d3
+      .scaleLinear()
+      /* get all the keys d[1] as an array, then find the sum */
+      .domain([0, d3.sum(Array.from(occupancy, d => d[1]))])
+      .range([0, width]);
+
+    let currentOffset = 0;
+
+    const stacks = categoricalSelectionState[colorAccessor].categoryValues.map(
+      d => {
+        const o = occupancy.get(d);
+
+        const scaledValue = x(o);
+
+        const stackItem = {
+          key: d,
+          value: o || 0,
+          rectWidth: o ? scaledValue : 0,
+          offset: currentOffset,
+          fill: o ? colorScale(categories.indexOf(d)) : "rgb(255,255,255)"
+        };
+        currentOffset += o ? scaledValue : 0;
+        return stackItem;
+      }
+    );
+
+    return (
+      <svg
+        style={{
+          marginRight: 5,
+          width,
+          height
+        }}
+      >
+        {stacks.map(d => (
+          <rect
+            key={d.key}
+            width={d.rectWidth}
+            height={height}
+            x={d.offset}
+            title={d.metadataField}
+            fill={d.fill}
+          />
+        ))}
+      </svg>
+    );
+  }
+}
+
+export default Occupancy;
diff --git a/client/src/components/categorical/util.js b/client/src/components/categorical/util.js
index 58707776..e645a5e4 100644
--- a/client/src/components/categorical/util.js
+++ b/client/src/components/categorical/util.js
@@ -3,9 +3,33 @@
 // values is [ [optVal, optIdx], ...]
 // index is range array
 // return sorted index
-export default values =>
-  values.sort((a, b) => {
+
+import isNumber from "is-number";
+import _ from "lodash";
+
+const sortedCategoryValues = values => {
+  /* this sort could be memoized for perf */
+
+  const strings = [];
+  const ints = [];
+
+  _.forEach(values, v => {
+    if (isNumber(v[0])) {
+      ints.push(v);
+    } else {
+      strings.push(v);
+    }
+  });
+
+  strings.sort((a, b) => {
     const textA = String(a[0]).toUpperCase();
     const textB = String(b[0]).toUpperCase();
     return textA < textB ? -1 : textA > textB ? 1 : 0;
   });
+
+  ints.sort((a, b) => +a[0] - +b[0]);
+
+  return ints.concat(strings);
+};
+
+export default sortedCategoryValues;
diff --git a/client/src/components/categorical/value.js b/client/src/components/categorical/value.js
index 444b1b3c..dd7fafe7 100644
--- a/client/src/components/categorical/value.js
+++ b/client/src/components/categorical/value.js
@@ -2,12 +2,16 @@
 import { connect } from "react-redux";
 import React from "react";
 import _ from "lodash";
+import Occupancy from "./occupancy";
+import { countCategoryValues2D } from "../../util/stateManager/worldUtil";
+import * as globals from "../../globals";
 
 @connect(state => ({
   categoricalSelectionState: state.controls.categoricalSelectionState,
   colorScale: state.controls.colorScale,
   colorAccessor: state.controls.colorAccessor,
-  schema: _.get(state.controls.world, "schema", null)
+  schema: _.get(state.controls.world, "schema", null),
+  world: state.controls.world
 }))
 class CategoryValue extends React.Component {
   toggleOff() {
@@ -36,7 +40,8 @@ class CategoryValue extends React.Component {
       colorAccessor,
       colorScale,
       i,
-      schema
+      schema,
+      world
     } = this.props;
 
     if (!categoricalSelectionState) return null;
@@ -50,15 +55,24 @@ class CategoryValue extends React.Component {
     ).valueOf();
 
     /* this is the color scale, so add swatches below */
-    const c = metadataField === colorAccessor;
+    const isColorBy = metadataField === colorAccessor;
     let categories = null;
+    let occupancy = null;
 
-    if (c && schema) {
+    if (isColorBy && schema) {
       categories = _.filter(schema.annotations.obs, {
         name: colorAccessor
       })[0].categories;
     }
 
+    if (colorAccessor && !isColorBy) {
+      occupancy = countCategoryValues2D(
+        metadataField,
+        colorAccessor,
+        world.obsAnnotations
+      );
+    }
+
     return (
       <div
         key={i}
@@ -72,7 +86,10 @@ class CategoryValue extends React.Component {
           style={{
             margin: 0,
             padding: 0,
-            userSelect: "none"
+            userSelect: "none",
+            width: globals.leftSidebarWidth - 130,
+            display: "flex",
+            justifyContent: "space-between"
           }}
         >
           <label className="bp3-control bp3-checkbox">
@@ -86,6 +103,18 @@ class CategoryValue extends React.Component {
             <span className="bp3-control-indicator" />
             {displayString}
           </label>
+          <span style={{ flexShrink: 0 }}>
+            {colorAccessor &&
+            !isColorBy &&
+            categoricalSelectionState[colorAccessor] ? (
+              <Occupancy
+                occupancy={occupancy.get(
+                  category.categoryValues[categoryIndex]
+                )}
+                {...this.props}
+              />
+            ) : null}
+          </span>
         </div>
         <span>
           <span>{count}</span>
@@ -95,7 +124,7 @@ class CategoryValue extends React.Component {
               width: 11,
               height: 11,
               backgroundColor:
-                c && categories
+                isColorBy && categories
                   ? colorScale(categories.indexOf(value))
                   : "inherit"
             }}