{
  "zip": "57783",
  "type": "standard",
  "type_source": "inferred",
  "city": "Spearfish",
  "other_place_names": [
    "North Spearfish",
    "Mountain Plains"
  ],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46081",
    "name": "Lawrence County",
    "short_name": "Lawrence"
  },
  "counties": [
    {
      "county_fips": "46081",
      "name": "Lawrence County",
      "short_name": "Lawrence",
      "weight": 0.9627,
      "basis": "land_area"
    },
    {
      "county_fips": "46019",
      "name": "Butte County",
      "short_name": "Butte",
      "weight": 0.0373,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 44.456339,
    "lng": -103.925266,
    "source": "gazetteer_internal_point",
    "timezone": "America/Denver"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "43940",
    "name": "Spearfish, SD",
    "type": "micro",
    "csa_code": "452",
    "csa_name": "Rapid City-Spearfish, SD"
  },
  "demographics": {
    "population": 17248,
    "households": 7849,
    "housing_units": 8617,
    "median_age": 41,
    "median_household_income": 74844,
    "median_home_value": 373300,
    "median_rent": 965,
    "pct_bachelors_plus": 38.1,
    "mean_commute_min": 16.8,
    "density_per_sqmi": 80.9
  },
  "business": {
    "establishments": 837,
    "employees": 6716,
    "annual_payroll_thousands": 300884
  },
  "tax": {
    "irs_returns": 9360,
    "irs_agi_thousands": 938142
  },
  "area": {
    "land_sqmi": 213.21,
    "water_sqmi": 0.085
  },
  "nearest_zips": [
    {
      "zip": "57799",
      "miles": 3.9,
      "city": "Spearfish",
      "state": "SD"
    },
    {
      "zip": "82712",
      "miles": 10.9,
      "city": "Beulah",
      "state": "WY"
    },
    {
      "zip": "57779",
      "miles": 11.2,
      "city": "Saint Onge",
      "state": "SD"
    },
    {
      "zip": "57754",
      "miles": 14,
      "city": "Lead",
      "state": "SD"
    },
    {
      "zip": "57732",
      "miles": 14.6,
      "city": "Deadwood",
      "state": "SD"
    },
    {
      "zip": "57793",
      "miles": 17.7,
      "city": "Whitewood",
      "state": "SD"
    },
    {
      "zip": "82729",
      "miles": 22.2,
      "city": "Sundance",
      "state": "WY"
    },
    {
      "zip": "57741",
      "miles": 22.5,
      "city": "Fort Meade",
      "state": "SD"
    },
    {
      "zip": "57759",
      "miles": 24.1,
      "city": "Nemo",
      "state": "SD"
    },
    {
      "zip": "82710",
      "miles": 24.9,
      "city": "Aladdin",
      "state": "WY"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57783",
    "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."
  }
}