{
  "zip": "57523",
  "type": "standard",
  "type_source": "inferred",
  "city": "Burke",
  "other_place_names": [],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46053",
    "name": "Gregory County",
    "short_name": "Gregory"
  },
  "counties": [
    {
      "county_fips": "46053",
      "name": "Gregory County",
      "short_name": "Gregory",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.247619,
    "lng": -99.23661,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 1041,
    "households": 416,
    "housing_units": 585,
    "median_age": 47.4,
    "median_household_income": 68750,
    "median_home_value": 214400,
    "median_rent": 525,
    "pct_bachelors_plus": 26.3,
    "mean_commute_min": 12.6,
    "density_per_sqmi": 4.1
  },
  "business": {
    "establishments": 48,
    "employees": 341,
    "annual_payroll_thousands": 10677
  },
  "tax": {
    "irs_returns": 520,
    "irs_agi_thousands": 39591
  },
  "area": {
    "land_sqmi": 252.787,
    "water_sqmi": 12.714
  },
  "nearest_zips": [
    {
      "zip": "57538",
      "miles": 9.6,
      "city": "Herrick",
      "state": "SD"
    },
    {
      "zip": "57533",
      "miles": 11.6,
      "city": "Gregory",
      "state": "SD"
    },
    {
      "zip": "57317",
      "miles": 15.4,
      "city": "Bonesteel",
      "state": "SD"
    },
    {
      "zip": "57571",
      "miles": 16.1,
      "city": "Saint Charles",
      "state": "SD"
    },
    {
      "zip": "57529",
      "miles": 16.5,
      "city": "Dallas",
      "state": "SD"
    },
    {
      "zip": "57369",
      "miles": 18.6,
      "city": "Platte",
      "state": "SD"
    },
    {
      "zip": "68755",
      "miles": 22.8,
      "city": "Naper",
      "state": "NE"
    },
    {
      "zip": "57528",
      "miles": 26.8,
      "city": "Colome",
      "state": "SD"
    },
    {
      "zip": "57342",
      "miles": 26.9,
      "city": "Geddes",
      "state": "SD"
    },
    {
      "zip": "57335",
      "miles": 27.8,
      "city": "Fairfax",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57523",
    "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."
  }
}