{
  "dataset": "Colorado county average mill levies",
  "description": "Each of Colorado's 64 counties with its assessed-value-weighted AVERAGE total mill levy for tax year 2023 (levies certified December 2023, taxes payable in 2024), the average school-district and county-government portions, and the estimated tax on a $500,000 home. These are county averages — a real parcel's levy depends on its exact tax area — and the component parts do not sum to the total (the source uses different denominators).",
  "publisher": "Colorado Porch",
  "url": "https://coloradoporch.com/data/v1/mill-levies.json",
  "source": {
    "label": "Colorado Division of Property Taxation, 53rd Annual Report (2023) — Average Levies by County",
    "href": "https://spl.cde.state.co.us/artemis/locserials/loc81internet/loc812023internet.pdf"
  },
  "vintage": "Tax year 2023, Colorado Division of Property Taxation 53rd Annual Report",
  "lastUpdated": "2026-07-10",
  "license": "CC BY 4.0",
  "attribution": "Data: Colorado Porch (coloradoporch.com) — CC BY 4.0",
  "attributionUrl": "https://coloradoporch.com/?utm_source=dataset&utm_medium=citation&utm_campaign=mill-levies",
  "citeAs": "Colorado Porch, \"Colorado county average mill levies\" (Tax year 2023, Colorado Division of Property Taxation 53rd Annual Report). https://coloradoporch.com/data/v1/mill-levies.json",
  "fields": [
    {
      "name": "slug",
      "type": "string",
      "description": "County page slug."
    },
    {
      "name": "county",
      "type": "string",
      "description": "County name."
    },
    {
      "name": "region",
      "type": "string",
      "description": "Browse region."
    },
    {
      "name": "totalMillsAverage",
      "type": "number",
      "description": "Assessed-value-weighted average total mill levy across all tax areas (TY2023)."
    },
    {
      "name": "schoolMills",
      "type": "number",
      "description": "Average school-district mill levy."
    },
    {
      "name": "countyGovMills",
      "type": "number",
      "description": "Average county-government mill levy only (excludes municipal + special districts)."
    },
    {
      "name": "exampleTaxOn500kHome",
      "type": "number",
      "description": "Estimated annual residential tax on a $500,000 home using Colorado's two 2025 assessment rates (7.05% school, 6.25% other)."
    }
  ],
  "rowCount": 64,
  "data": [
    {
      "slug": "adams",
      "county": "Adams",
      "region": "Front Range",
      "totalMillsAverage": 115.884,
      "schoolMills": 57.565,
      "countyGovMills": 26.835,
      "exampleTaxOn500kHome": 3852
    },
    {
      "slug": "alamosa",
      "county": "Alamosa",
      "region": "San Luis Valley",
      "totalMillsAverage": 73.997,
      "schoolMills": 33.976,
      "countyGovMills": 25.238,
      "exampleTaxOn500kHome": 2448
    },
    {
      "slug": "arapahoe",
      "county": "Arapahoe",
      "region": "Front Range",
      "totalMillsAverage": 96.46,
      "schoolMills": 54.063,
      "countyGovMills": 14.199,
      "exampleTaxOn500kHome": 3231
    },
    {
      "slug": "archuleta",
      "county": "Archuleta",
      "region": "Western Slope",
      "totalMillsAverage": 62.629,
      "schoolMills": 26.591,
      "countyGovMills": 18.306,
      "exampleTaxOn500kHome": 2064
    },
    {
      "slug": "baca",
      "county": "Baca",
      "region": "Eastern Plains",
      "totalMillsAverage": 81.297,
      "schoolMills": 31.949,
      "countyGovMills": 33.011,
      "exampleTaxOn500kHome": 2668
    },
    {
      "slug": "bent",
      "county": "Bent",
      "region": "Eastern Plains",
      "totalMillsAverage": 68.218,
      "schoolMills": 23.767,
      "countyGovMills": 30.608,
      "exampleTaxOn500kHome": 2227
    },
    {
      "slug": "boulder",
      "county": "Boulder",
      "region": "Front Range",
      "totalMillsAverage": 91.958,
      "schoolMills": 50.357,
      "countyGovMills": 21.287,
      "exampleTaxOn500kHome": 3075
    },
    {
      "slug": "broomfield",
      "county": "Broomfield",
      "region": "Front Range",
      "totalMillsAverage": 113.735,
      "schoolMills": 54.001,
      "countyGovMills": 17.511,
      "exampleTaxOn500kHome": 3770
    },
    {
      "slug": "chaffee",
      "county": "Chaffee",
      "region": "Mountains",
      "totalMillsAverage": 47.492,
      "schoolMills": 29.824,
      "countyGovMills": 6.711,
      "exampleTaxOn500kHome": 1603
    },
    {
      "slug": "cheyenne",
      "county": "Cheyenne",
      "region": "Eastern Plains",
      "totalMillsAverage": 54.732,
      "schoolMills": 22.446,
      "countyGovMills": 13.681,
      "exampleTaxOn500kHome": 1800
    },
    {
      "slug": "clear-creek",
      "county": "Clear Creek",
      "region": "Foothills",
      "totalMillsAverage": 76.284,
      "schoolMills": 28.888,
      "countyGovMills": 35.156,
      "exampleTaxOn500kHome": 2499
    },
    {
      "slug": "conejos",
      "county": "Conejos",
      "region": "San Luis Valley",
      "totalMillsAverage": 75.338,
      "schoolMills": 34.771,
      "countyGovMills": 24.869,
      "exampleTaxOn500kHome": 2493
    },
    {
      "slug": "costilla",
      "county": "Costilla",
      "region": "San Luis Valley",
      "totalMillsAverage": 71.446,
      "schoolMills": 36.633,
      "countyGovMills": 18.841,
      "exampleTaxOn500kHome": 2379
    },
    {
      "slug": "crowley",
      "county": "Crowley",
      "region": "Eastern Plains",
      "totalMillsAverage": 71.998,
      "schoolMills": 26.158,
      "countyGovMills": 42.081,
      "exampleTaxOn500kHome": 2355
    },
    {
      "slug": "custer",
      "county": "Custer",
      "region": "Mountains",
      "totalMillsAverage": 64.225,
      "schoolMills": 27.985,
      "countyGovMills": 19.75,
      "exampleTaxOn500kHome": 2119
    },
    {
      "slug": "delta",
      "county": "Delta",
      "region": "Western Slope",
      "totalMillsAverage": 62.418,
      "schoolMills": 29.616,
      "countyGovMills": 14.1,
      "exampleTaxOn500kHome": 2069
    },
    {
      "slug": "denver",
      "county": "Denver",
      "region": "Front Range",
      "totalMillsAverage": 81.617,
      "schoolMills": 50.711,
      "countyGovMills": 24.268,
      "exampleTaxOn500kHome": 2753
    },
    {
      "slug": "dolores",
      "county": "Dolores",
      "region": "Western Slope",
      "totalMillsAverage": 71.879,
      "schoolMills": 29.171,
      "countyGovMills": 31.613,
      "exampleTaxOn500kHome": 2363
    },
    {
      "slug": "douglas",
      "county": "Douglas",
      "region": "Front Range",
      "totalMillsAverage": 103.443,
      "schoolMills": 45.934,
      "countyGovMills": 19.774,
      "exampleTaxOn500kHome": 3416
    },
    {
      "slug": "eagle",
      "county": "Eagle",
      "region": "Mountains",
      "totalMillsAverage": 58.364,
      "schoolMills": 23.915,
      "countyGovMills": 8.399,
      "exampleTaxOn500kHome": 1920
    },
    {
      "slug": "el-paso",
      "county": "El Paso",
      "region": "Front Range",
      "totalMillsAverage": 68.982,
      "schoolMills": 42.811,
      "countyGovMills": 7.192,
      "exampleTaxOn500kHome": 2327
    },
    {
      "slug": "elbert",
      "county": "Elbert",
      "region": "Eastern Plains",
      "totalMillsAverage": 82.791,
      "schoolMills": 31.323,
      "countyGovMills": 24.888,
      "exampleTaxOn500kHome": 2713
    },
    {
      "slug": "fremont",
      "county": "Fremont",
      "region": "Foothills",
      "totalMillsAverage": 73.542,
      "schoolMills": 36.555,
      "countyGovMills": 11.813,
      "exampleTaxOn500kHome": 2444
    },
    {
      "slug": "garfield",
      "county": "Garfield",
      "region": "Western Slope",
      "totalMillsAverage": 58.276,
      "schoolMills": 21.978,
      "countyGovMills": 13.155,
      "exampleTaxOn500kHome": 1909
    },
    {
      "slug": "gilpin",
      "county": "Gilpin",
      "region": "Foothills",
      "totalMillsAverage": 35.87,
      "schoolMills": 15.44,
      "countyGovMills": 9.441,
      "exampleTaxOn500kHome": 1183
    },
    {
      "slug": "grand",
      "county": "Grand",
      "region": "Mountains",
      "totalMillsAverage": 63.519,
      "schoolMills": 21.157,
      "countyGovMills": 16.905,
      "exampleTaxOn500kHome": 2070
    },
    {
      "slug": "gunnison",
      "county": "Gunnison",
      "region": "Mountains",
      "totalMillsAverage": 62.228,
      "schoolMills": 28.269,
      "countyGovMills": 12.265,
      "exampleTaxOn500kHome": 2058
    },
    {
      "slug": "hinsdale",
      "county": "Hinsdale",
      "region": "Western Slope",
      "totalMillsAverage": 55.3,
      "schoolMills": 25.251,
      "countyGovMills": 17.683,
      "exampleTaxOn500kHome": 1829
    },
    {
      "slug": "huerfano",
      "county": "Huerfano",
      "region": "Eastern Plains",
      "totalMillsAverage": 79.572,
      "schoolMills": 36.465,
      "countyGovMills": 20.69,
      "exampleTaxOn500kHome": 2632
    },
    {
      "slug": "jackson",
      "county": "Jackson",
      "region": "Mountains",
      "totalMillsAverage": 47.581,
      "schoolMills": 23.103,
      "countyGovMills": 15.58,
      "exampleTaxOn500kHome": 1579
    },
    {
      "slug": "jefferson",
      "county": "Jefferson",
      "region": "Front Range",
      "totalMillsAverage": 97.582,
      "schoolMills": 44.526,
      "countyGovMills": 26.978,
      "exampleTaxOn500kHome": 3228
    },
    {
      "slug": "kiowa",
      "county": "Kiowa",
      "region": "Eastern Plains",
      "totalMillsAverage": 96.039,
      "schoolMills": 26.158,
      "countyGovMills": 46.553,
      "exampleTaxOn500kHome": 3106
    },
    {
      "slug": "kit-carson",
      "county": "Kit Carson",
      "region": "Eastern Plains",
      "totalMillsAverage": 84.849,
      "schoolMills": 37.347,
      "countyGovMills": 37.967,
      "exampleTaxOn500kHome": 2801
    },
    {
      "slug": "la-plata",
      "county": "La Plata",
      "region": "Western Slope",
      "totalMillsAverage": 46.682,
      "schoolMills": 24.401,
      "countyGovMills": 8.5,
      "exampleTaxOn500kHome": 1556
    },
    {
      "slug": "lake",
      "county": "Lake",
      "region": "Mountains",
      "totalMillsAverage": 67.833,
      "schoolMills": 17.152,
      "countyGovMills": 38,
      "exampleTaxOn500kHome": 2188
    },
    {
      "slug": "larimer",
      "county": "Larimer",
      "region": "Front Range",
      "totalMillsAverage": 94.804,
      "schoolMills": 47.912,
      "countyGovMills": 21.745,
      "exampleTaxOn500kHome": 3154
    },
    {
      "slug": "las-animas",
      "county": "Las Animas",
      "region": "Eastern Plains",
      "totalMillsAverage": 36.653,
      "schoolMills": 18.302,
      "countyGovMills": 9.357,
      "exampleTaxOn500kHome": 1219
    },
    {
      "slug": "lincoln",
      "county": "Lincoln",
      "region": "Eastern Plains",
      "totalMillsAverage": 70.314,
      "schoolMills": 27.558,
      "countyGovMills": 35.5,
      "exampleTaxOn500kHome": 2308
    },
    {
      "slug": "logan",
      "county": "Logan",
      "region": "Eastern Plains",
      "totalMillsAverage": 59.491,
      "schoolMills": 32.799,
      "countyGovMills": 17.942,
      "exampleTaxOn500kHome": 1990
    },
    {
      "slug": "mesa",
      "county": "Mesa",
      "region": "Western Slope",
      "totalMillsAverage": 69.836,
      "schoolMills": 42.861,
      "countyGovMills": 11.243,
      "exampleTaxOn500kHome": 2354
    },
    {
      "slug": "mineral",
      "county": "Mineral",
      "region": "San Luis Valley",
      "totalMillsAverage": 68.604,
      "schoolMills": 34.273,
      "countyGovMills": 26.291,
      "exampleTaxOn500kHome": 2281
    },
    {
      "slug": "moffat",
      "county": "Moffat",
      "region": "Western Slope",
      "totalMillsAverage": 69.369,
      "schoolMills": 35.361,
      "countyGovMills": 23.986,
      "exampleTaxOn500kHome": 2309
    },
    {
      "slug": "montezuma",
      "county": "Montezuma",
      "region": "Western Slope",
      "totalMillsAverage": 52.784,
      "schoolMills": 25.222,
      "countyGovMills": 14.254,
      "exampleTaxOn500kHome": 1750
    },
    {
      "slug": "montrose",
      "county": "Montrose",
      "region": "Western Slope",
      "totalMillsAverage": 68.253,
      "schoolMills": 27.559,
      "countyGovMills": 20.485,
      "exampleTaxOn500kHome": 2243
    },
    {
      "slug": "morgan",
      "county": "Morgan",
      "region": "Eastern Plains",
      "totalMillsAverage": 83.176,
      "schoolMills": 41.366,
      "countyGovMills": 29.053,
      "exampleTaxOn500kHome": 2765
    },
    {
      "slug": "otero",
      "county": "Otero",
      "region": "Eastern Plains",
      "totalMillsAverage": 64.618,
      "schoolMills": 33.485,
      "countyGovMills": 21.948,
      "exampleTaxOn500kHome": 2153
    },
    {
      "slug": "ouray",
      "county": "Ouray",
      "region": "Western Slope",
      "totalMillsAverage": 58.371,
      "schoolMills": 29.062,
      "countyGovMills": 13.164,
      "exampleTaxOn500kHome": 1940
    },
    {
      "slug": "park",
      "county": "Park",
      "region": "Mountains",
      "totalMillsAverage": 56.138,
      "schoolMills": 20.258,
      "countyGovMills": 13.689,
      "exampleTaxOn500kHome": 1835
    },
    {
      "slug": "phillips",
      "county": "Phillips",
      "region": "Eastern Plains",
      "totalMillsAverage": 89.996,
      "schoolMills": 37.892,
      "countyGovMills": 28.28,
      "exampleTaxOn500kHome": 2964
    },
    {
      "slug": "pitkin",
      "county": "Pitkin",
      "region": "Mountains",
      "totalMillsAverage": 35.401,
      "schoolMills": 9.365,
      "countyGovMills": 6.376,
      "exampleTaxOn500kHome": 1144
    },
    {
      "slug": "prowers",
      "county": "Prowers",
      "region": "Eastern Plains",
      "totalMillsAverage": 65.915,
      "schoolMills": 28.285,
      "countyGovMills": 27.17,
      "exampleTaxOn500kHome": 2173
    },
    {
      "slug": "pueblo",
      "county": "Pueblo",
      "region": "Front Range",
      "totalMillsAverage": 95.346,
      "schoolMills": 40.884,
      "countyGovMills": 30.503,
      "exampleTaxOn500kHome": 3143
    },
    {
      "slug": "rio-blanco",
      "county": "Rio Blanco",
      "region": "Western Slope",
      "totalMillsAverage": 46.378,
      "schoolMills": 12.406,
      "countyGovMills": 9.05,
      "exampleTaxOn500kHome": 1499
    },
    {
      "slug": "rio-grande",
      "county": "Rio Grande",
      "region": "San Luis Valley",
      "totalMillsAverage": 67.67,
      "schoolMills": 38.843,
      "countyGovMills": 15.567,
      "exampleTaxOn500kHome": 2270
    },
    {
      "slug": "routt",
      "county": "Routt",
      "region": "Mountains",
      "totalMillsAverage": 49.104,
      "schoolMills": 20.165,
      "countyGovMills": 13.522,
      "exampleTaxOn500kHome": 1615
    },
    {
      "slug": "saguache",
      "county": "Saguache",
      "region": "San Luis Valley",
      "totalMillsAverage": 85.719,
      "schoolMills": 37.604,
      "countyGovMills": 22.57,
      "exampleTaxOn500kHome": 2829
    },
    {
      "slug": "san-juan",
      "county": "San Juan",
      "region": "Western Slope",
      "totalMillsAverage": 42.354,
      "schoolMills": 15.484,
      "countyGovMills": 19.641,
      "exampleTaxOn500kHome": 1385
    },
    {
      "slug": "san-miguel",
      "county": "San Miguel",
      "region": "Western Slope",
      "totalMillsAverage": 51.195,
      "schoolMills": 13.847,
      "countyGovMills": 10.638,
      "exampleTaxOn500kHome": 1655
    },
    {
      "slug": "sedgwick",
      "county": "Sedgwick",
      "region": "Eastern Plains",
      "totalMillsAverage": 93.196,
      "schoolMills": 41.735,
      "countyGovMills": 30.025,
      "exampleTaxOn500kHome": 3079
    },
    {
      "slug": "summit",
      "county": "Summit",
      "region": "Mountains",
      "totalMillsAverage": 55.941,
      "schoolMills": 16.943,
      "countyGovMills": 19.259,
      "exampleTaxOn500kHome": 1816
    },
    {
      "slug": "teller",
      "county": "Teller",
      "region": "Foothills",
      "totalMillsAverage": 49.64,
      "schoolMills": 20.728,
      "countyGovMills": 12.807,
      "exampleTaxOn500kHome": 1634
    },
    {
      "slug": "washington",
      "county": "Washington",
      "region": "Eastern Plains",
      "totalMillsAverage": 67.753,
      "schoolMills": 31.054,
      "countyGovMills": 30.251,
      "exampleTaxOn500kHome": 2241
    },
    {
      "slug": "weld",
      "county": "Weld",
      "region": "Front Range",
      "totalMillsAverage": 71.385,
      "schoolMills": 29.078,
      "countyGovMills": 12.024,
      "exampleTaxOn500kHome": 2347
    },
    {
      "slug": "yuma",
      "county": "Yuma",
      "region": "Eastern Plains",
      "totalMillsAverage": 75.143,
      "schoolMills": 37.583,
      "countyGovMills": 21.714,
      "exampleTaxOn500kHome": 2499
    }
  ]
}