{
  "zip": "57051",
  "type": "standard",
  "type_source": "inferred",
  "city": "Oldham",
  "other_place_names": [],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46077",
    "name": "Kingsbury County",
    "short_name": "Kingsbury"
  },
  "counties": [
    {
      "county_fips": "46077",
      "name": "Kingsbury County",
      "short_name": "Kingsbury",
      "weight": 0.7774,
      "basis": "land_area"
    },
    {
      "county_fips": "46097",
      "name": "Miner County",
      "short_name": "Miner",
      "weight": 0.1762,
      "basis": "land_area"
    },
    {
      "county_fips": "46079",
      "name": "Lake County",
      "short_name": "Lake",
      "weight": 0.0464,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 44.217416,
    "lng": -97.350687,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 163,
    "households": 95,
    "housing_units": 129,
    "median_age": 60.1,
    "median_household_income": 56250,
    "median_home_value": 112500,
    "median_rent": null,
    "pct_bachelors_plus": 26.4,
    "mean_commute_min": 27.7,
    "density_per_sqmi": 2.1
  },
  "business": {
    "establishments": 10,
    "employees": 52,
    "annual_payroll_thousands": 2188
  },
  "tax": {
    "irs_returns": 120,
    "irs_agi_thousands": 10166
  },
  "area": {
    "land_sqmi": 78.835,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "57054",
      "miles": 8.3,
      "city": "Ramona",
      "state": "SD"
    },
    {
      "zip": "57249",
      "miles": 11.5,
      "city": "Lake Preston",
      "state": "SD"
    },
    {
      "zip": "57212",
      "miles": 15.3,
      "city": "Arlington",
      "state": "SD"
    },
    {
      "zip": "57061",
      "miles": 15.3,
      "city": "Sinai",
      "state": "SD"
    },
    {
      "zip": "57231",
      "miles": 15.8,
      "city": "De Smet",
      "state": "SD"
    },
    {
      "zip": "57050",
      "miles": 16.9,
      "city": "Nunda",
      "state": "SD"
    },
    {
      "zip": "57076",
      "miles": 17,
      "city": "Winfred",
      "state": "SD"
    },
    {
      "zip": "57349",
      "miles": 17.3,
      "city": "Howard",
      "state": "SD"
    },
    {
      "zip": "57323",
      "miles": 18.7,
      "city": "Carthage",
      "state": "SD"
    },
    {
      "zip": "57071",
      "miles": 19.6,
      "city": "Volga",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57051",
    "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."
  }
}