{
  "zip": "57501",
  "type": "standard",
  "type_source": "inferred",
  "city": "Pierre",
  "other_place_names": [
    "Cow Creek",
    "Oahe Acres"
  ],
  "state": "SD",
  "state_name": "South Dakota",
  "county": {
    "fips": "46065",
    "name": "Hughes County",
    "short_name": "Hughes"
  },
  "counties": [
    {
      "county_fips": "46065",
      "name": "Hughes County",
      "short_name": "Hughes",
      "weight": 0.5818,
      "basis": "land_area"
    },
    {
      "county_fips": "46119",
      "name": "Sully County",
      "short_name": "Sully",
      "weight": 0.4182,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 44.527632,
    "lng": -100.309123,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "38180",
    "name": "Pierre, SD",
    "type": "micro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 17326,
    "households": 7043,
    "housing_units": 7744,
    "median_age": 39.6,
    "median_household_income": 81791,
    "median_home_value": 245100,
    "median_rent": 995,
    "pct_bachelors_plus": 39,
    "mean_commute_min": 14.5,
    "density_per_sqmi": 30.7
  },
  "business": {
    "establishments": 625,
    "employees": 6318,
    "annual_payroll_thousands": 305367
  },
  "tax": {
    "irs_returns": 8370,
    "irs_agi_thousands": 702478
  },
  "area": {
    "land_sqmi": 564.138,
    "water_sqmi": 95.872
  },
  "nearest_zips": [
    {
      "zip": "57532",
      "miles": 16.9,
      "city": "Fort Pierre",
      "state": "SD"
    },
    {
      "zip": "57522",
      "miles": 17.1,
      "city": "Blunt",
      "state": "SD"
    },
    {
      "zip": "57564",
      "miles": 20.6,
      "city": "Onida",
      "state": "SD"
    },
    {
      "zip": "57520",
      "miles": 23.2,
      "city": "Agar",
      "state": "SD"
    },
    {
      "zip": "57536",
      "miles": 27.5,
      "city": "Harrold",
      "state": "SD"
    },
    {
      "zip": "57540",
      "miles": 34.9,
      "city": "Holabird",
      "state": "SD"
    },
    {
      "zip": "57537",
      "miles": 37.5,
      "city": "Hayes",
      "state": "SD"
    },
    {
      "zip": "57442",
      "miles": 37.6,
      "city": "Gettysburg",
      "state": "SD"
    },
    {
      "zip": "57531",
      "miles": 39.3,
      "city": "Draper",
      "state": "SD"
    },
    {
      "zip": "57345",
      "miles": 42.7,
      "city": "Highmore",
      "state": "SD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/57501",
    "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."
  }
}