{
  "center": {
    "lat": 30.390022471729,
    "lon": -81.642671433111
  },
  "data_year": 2020,
  "checked": "2026-10-30",
  "source": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Census2020/MapServer/10",
  "query": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Census2020/MapServer/10/query?where=STATE%3D%2712%27+AND+COUNTY%3D%27031%27&geometry=-81.75%2C30.29%2C-81.53%2C30.49&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=GEOID%2CPOP100%2CHU100%2CINTPTLAT%2CINTPTLON%2CCENTLAT%2CCENTLON%2CAREALAND%2CAREAWATER&returnGeometry=false&f=json&resultRecordCount=100000",
  "retrieved_blocks": 6593,
  "method": "Sum 2020 Census block POP100 when the Census internal point INTPTLAT/INTPTLON is within the exact 1, 3 or 5 mile WGS84 geodesic radius. Entire block population assigned to internal point; not a count of individual resident locations or a 2026 forecast.",
  "limitation": "Boundary-crossing blocks assigned wholly by internal point. Non-residential water area remains in circles. Census disclosure avoidance applies. Treat as approximate historical radius population, not current population, customer demand or daytime population.",
  "results": [
    {
      "radius_miles": 1,
      "radius_m": 1609.344,
      "population": 3915,
      "housing_units": 1828,
      "blocks": 107,
      "positive_population_blocks": 86,
      "centroid_population_sensitivity": 3915
    },
    {
      "radius_miles": 3,
      "radius_m": 4828.032,
      "population": 49295,
      "housing_units": 22730,
      "blocks": 1141,
      "positive_population_blocks": 938,
      "centroid_population_sensitivity": 49295
    },
    {
      "radius_miles": 5,
      "radius_m": 8046.72,
      "population": 163201,
      "housing_units": 71873,
      "blocks": 3523,
      "positive_population_blocks": 2717,
      "centroid_population_sensitivity": 162176
    }
  ]
}