{
  "zip": "57454",
  "type": "standard",
  "type_source": "inferred",
  "city": "Langford",
  "other_place_names": [],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46091",
    "name": "Marshall County",
    "short_name": "Marshall"
  },
  "counties": [
    {
      "county_fips": "46091",
      "name": "Marshall County",
      "short_name": "Marshall",
      "weight": 0.6971,
      "basis": "land_area"
    },
    {
      "county_fips": "46037",
      "name": "Day County",
      "short_name": "Day",
      "weight": 0.3029,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 45.611554,
    "lng": -97.76148,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 732,
    "households": 236,
    "housing_units": 289,
    "median_age": 39.2,
    "median_household_income": 81250,
    "median_home_value": 155300,
    "median_rent": 735,
    "pct_bachelors_plus": 20.5,
    "mean_commute_min": 17.2,
    "density_per_sqmi": 4.8
  },
  "business": {
    "establishments": 15,
    "employees": 63,
    "annual_payroll_thousands": 2521
  },
  "tax": {
    "irs_returns": 260,
    "irs_agi_thousands": 21708
  },
  "area": {
    "land_sqmi": 151.322,
    "water_sqmi": 4.197
  },
  "nearest_zips": [
    {
      "zip": "57468",
      "miles": 8.1,
      "city": "Pierpont",
      "state": "SD"
    },
    {
      "zip": "57421",
      "miles": 12.2,
      "city": "Amherst",
      "state": "SD"
    },
    {
      "zip": "57261",
      "miles": 13.5,
      "city": "Roslyn",
      "state": "SD"
    },
    {
      "zip": "57432",
      "miles": 13.9,
      "city": "Claremont",
      "state": "SD"
    },
    {
      "zip": "57422",
      "miles": 15.2,
      "city": "Andover",
      "state": "SD"
    },
    {
      "zip": "57430",
      "miles": 15.6,
      "city": "Britton",
      "state": "SD"
    },
    {
      "zip": "57247",
      "miles": 16,
      "city": "Lake City",
      "state": "SD"
    },
    {
      "zip": "57232",
      "miles": 17.5,
      "city": "Eden",
      "state": "SD"
    },
    {
      "zip": "57445",
      "miles": 19.9,
      "city": "Groton",
      "state": "SD"
    },
    {
      "zip": "57449",
      "miles": 21.5,
      "city": "Houghton",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57454",
    "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."
  }
}