{
  "zip": "58503",
  "type": "standard",
  "type_source": "inferred",
  "city": "Bismarck",
  "other_place_names": [],
  "state": "ND",
  "state_name": "North Dakota",
  "county": {
    "fips": "38015",
    "name": "Burleigh County",
    "short_name": "Burleigh"
  },
  "counties": [
    {
      "county_fips": "38015",
      "name": "Burleigh County",
      "short_name": "Burleigh",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 46.906399,
    "lng": -100.752189,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "13900",
    "name": "Bismarck, ND",
    "type": "metro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 37683,
    "households": 15358,
    "housing_units": 16095,
    "median_age": 39.8,
    "median_household_income": 102333,
    "median_home_value": 393700,
    "median_rent": 1132,
    "pct_bachelors_plus": 48.4,
    "mean_commute_min": 18.4,
    "density_per_sqmi": 278
  },
  "business": {
    "establishments": 952,
    "employees": 11886,
    "annual_payroll_thousands": 681901
  },
  "tax": {
    "irs_returns": 18260,
    "irs_agi_thousands": 2153727
  },
  "area": {
    "land_sqmi": 135.574,
    "water_sqmi": 2.289
  },
  "nearest_zips": [
    {
      "zip": "58502",
      "miles": 3.5,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58505",
      "miles": 6.1,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58501",
      "miles": 6.8,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58506",
      "miles": 6.9,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58507",
      "miles": 6.9,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58521",
      "miles": 9.2,
      "city": "Baldwin",
      "state": "ND"
    },
    {
      "zip": "58504",
      "miles": 11.8,
      "city": "Bismarck",
      "state": "ND"
    },
    {
      "zip": "58558",
      "miles": 12.2,
      "city": "Menoken",
      "state": "ND"
    },
    {
      "zip": "58554",
      "miles": 14,
      "city": "Mandan",
      "state": "ND"
    },
    {
      "zip": "58579",
      "miles": 18.9,
      "city": "Wilton",
      "state": "ND"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/58503",
    "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."
  }
}