{
  "zip": "57445",
  "type": "standard",
  "type_source": "inferred",
  "city": "Groton",
  "other_place_names": [],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46013",
    "name": "Brown County",
    "short_name": "Brown"
  },
  "counties": [
    {
      "county_fips": "46013",
      "name": "Brown County",
      "short_name": "Brown",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 45.465537,
    "lng": -98.114967,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "10100",
    "name": "Aberdeen, SD",
    "type": "micro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 2072,
    "households": 865,
    "housing_units": 989,
    "median_age": 38.3,
    "median_household_income": 84948,
    "median_home_value": 193800,
    "median_rent": 1015,
    "pct_bachelors_plus": 28.9,
    "mean_commute_min": 17.2,
    "density_per_sqmi": 8.2
  },
  "business": {
    "establishments": 66,
    "employees": 406,
    "annual_payroll_thousands": 21693
  },
  "tax": {
    "irs_returns": 950,
    "irs_agi_thousands": 95104
  },
  "area": {
    "land_sqmi": 253.888,
    "water_sqmi": 0.091
  },
  "nearest_zips": [
    {
      "zip": "57439",
      "miles": 9.1,
      "city": "Ferney",
      "state": "SD"
    },
    {
      "zip": "57422",
      "miles": 9.5,
      "city": "Andover",
      "state": "SD"
    },
    {
      "zip": "57427",
      "miles": 9.9,
      "city": "Bath",
      "state": "SD"
    },
    {
      "zip": "57402",
      "miles": 14.3,
      "city": "Aberdeen",
      "state": "SD"
    },
    {
      "zip": "57474",
      "miles": 14.4,
      "city": "Stratford",
      "state": "SD"
    },
    {
      "zip": "57433",
      "miles": 15.5,
      "city": "Columbia",
      "state": "SD"
    },
    {
      "zip": "57432",
      "miles": 15.6,
      "city": "Claremont",
      "state": "SD"
    },
    {
      "zip": "57468",
      "miles": 18.1,
      "city": "Pierpont",
      "state": "SD"
    },
    {
      "zip": "57449",
      "miles": 18.3,
      "city": "Houghton",
      "state": "SD"
    },
    {
      "zip": "57479",
      "miles": 19.2,
      "city": "Warner",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57445",
    "sources_url": "https://zipcodes.pro/sources",
    "license": "Facts derived from US public-domain data (Census, IRS) and GeoNames (CC BY 4.0). Attribution appreciated: zipcodes.pro",
    "note": "A null value means the source did not publish that figure for this ZIP code. It does not mean zero."
  }
}