Iowa - Highcharts Maps

Highcharts Maps demo

HTML

<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script>

<div id="container"></div>

CSS

#container {
    height: 500px;
    min-width: 310px;
    max-width: 800px;
    margin: 0 auto;
}

.loading {
    margin-top: 10em;
    text-align: center;
    color: gray;
}

JavaScript

(async () => {

    const topology = await fetch(
        'https://code.highcharts.com/mapdata/countries/us/us-ia-all.topo.json'
    ).then(response => response.json());

    // Prepare demo data. The data is joined to map using value of 'hc-key'
    // property by default. See API docs for 'joinBy' for more info on linking
    // data and map.
    const data = [
        ['us-ia-125', 10], ['us-ia-123', 11], ['us-ia-041', 12],
        ['us-ia-141', 13], ['us-ia-151', 14], ['us-ia-187', 15],
        ['us-ia-025', 16], ['us-ia-001', 17], ['us-ia-175', 18],
        ['us-ia-115', 19], ['us-ia-087', 20], ['us-ia-183', 21],
        ['us-ia-101', 22], ['us-ia-119', 23], ['us-ia-143', 24],
        ['us-ia-153', 25], ['us-ia-015', 26], ['us-ia-157', 27],
        ['us-ia-107', 28], ['us-ia-179', 29], ['us-ia-147', 30],
        ['us-ia-063', 31], ['us-ia-079', 32], ['us-ia-033', 33],
        ['us-ia-069', 34], ['us-ia-169', 35], ['us-ia-047', 36],
        ['us-ia-085', 37], ['us-ia-121', 38], ['us-ia-171', 39],
        ['us-ia-013', 40], ['us-ia-039', 41], ['us-ia-011', 42],
        ['us-ia-019', 43], ['us-ia-181', 44], ['us-ia-117', 45],
        ['us-ia-099', 46], ['us-ia-003', 47], ['us-ia-105', 48],
        ['us-ia-061', 49], ['us-ia-055', 50], ['us-ia-155', 51],
        ['us-ia-137', 52], ['us-ia-029', 53], ['us-ia-145', 54],
        ['us-ia-129', 55], ['us-ia-081', 56], ['us-ia-197', 57],
        ['us-ia-161', 58], ['us-ia-027', 59], ['us-ia-113', 60],
        ['us-ia-017', 61], ['us-ia-037', 62], ['us-ia-067', 63],
        ['us-ia-065', 64], ['us-ia-043', 65], ['us-ia-189', 66],
        ['us-ia-195', 67], ['us-ia-021', 68], ['us-ia-035', 69],
        ['us-ia-193', 70], ['us-ia-135', 71], ['us-ia-103', 72],
        ['us-ia-177', 73], ['us-ia-111', 74], ['us-ia-083', 75],
        ['us-ia-127', 76], ['us-ia-009', 77], ['us-ia-165', 78],
        ['us-ia-031', 79], ['us-ia-045', 80], ['us-ia-023', 81],
        ['us-ia-131', 82], ['us-ia-095', 83], ['us-ia-073', 84],
      ...