{
  "zip": "57529",
  "type": "standard",
  "type_source": "inferred",
  "city": "Dallas",
  "other_place_names": [],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46123",
    "name": "Tripp County",
    "short_name": "Tripp"
  },
  "counties": [
    {
      "county_fips": "46123",
      "name": "Tripp County",
      "short_name": "Tripp",
      "weight": 0.7016,
      "basis": "land_area"
    },
    {
      "county_fips": "46053",
      "name": "Gregory County",
      "short_name": "Gregory",
      "weight": 0.2984,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.230602,
    "lng": -99.563794,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 245,
    "households": 123,
    "housing_units": 162,
    "median_age": 62.3,
    "median_household_income": 75313,
    "median_home_value": 266300,
    "median_rent": null,
    "pct_bachelors_plus": 16.9,
    "mean_commute_min": 19.4,
    "density_per_sqmi": 1
  },
  "business": {
    "establishments": 10,
    "employees": 27,
    "annual_payroll_thousands": 1235
  },
  "tax": {
    "irs_returns": 160,
    "irs_agi_thousands": 10362
  },
  "area": {
    "land_sqmi": 246.179,
    "water_sqmi": 0.584
  },
  "nearest_zips": [
    {
      "zip": "57528",
      "miles": 10.6,
      "city": "Colome",
      "state": "SD"
    },
    {
      "zip": "57533",
      "miles": 11,
      "city": "Gregory",
      "state": "SD"
    },
    {
      "zip": "57523",
      "miles": 16.5,
      "city": "Burke",
      "state": "SD"
    },
    {
      "zip": "57538",
      "miles": 21.9,
      "city": "Herrick",
      "state": "SD"
    },
    {
      "zip": "57534",
      "miles": 23.3,
      "city": "Hamill",
      "state": "SD"
    },
    {
      "zip": "68753",
      "miles": 26.3,
      "city": "Mills",
      "state": "NE"
    },
    {
      "zip": "57580",
      "miles": 26.8,
      "city": "Winner",
      "state": "SD"
    },
    {
      "zip": "68778",
      "miles": 27.2,
      "city": "Springview",
      "state": "NE"
    },
    {
      "zip": "57571",
      "miles": 27.2,
      "city": "Saint Charles",
      "state": "SD"
    },
    {
      "zip": "68755",
      "miles": 30.3,
      "city": "Naper",
      "state": "NE"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57529",
    "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."
  }
}