{
  "zip": "51054",
  "type": "standard",
  "type_source": "inferred",
  "city": "Sergeant Bluff",
  "other_place_names": [
    "Sioux City"
  ],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19193",
    "name": "Woodbury County",
    "short_name": "Woodbury"
  },
  "counties": [
    {
      "county_fips": "19193",
      "name": "Woodbury County",
      "short_name": "Woodbury",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.380877,
    "lng": -96.335045,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "43580",
    "name": "Sioux City, IA-NE-SD",
    "type": "metro",
    "csa_code": "512",
    "csa_name": "Sioux City-Le Mars, IA-NE-SD"
  },
  "demographics": {
    "population": 5583,
    "households": 1961,
    "housing_units": 2110,
    "median_age": 37,
    "median_household_income": 119716,
    "median_home_value": 301900,
    "median_rent": 1156,
    "pct_bachelors_plus": 36.8,
    "mean_commute_min": 13.7,
    "density_per_sqmi": 144.3
  },
  "business": {
    "establishments": 120,
    "employees": 2156,
    "annual_payroll_thousands": 128060
  },
  "tax": {
    "irs_returns": 2820,
    "irs_agi_thousands": 242652
  },
  "area": {
    "land_sqmi": 38.677,
    "water_sqmi": 0.791
  },
  "nearest_zips": [
    {
      "zip": "51102",
      "miles": 1.2,
      "city": "Sioux City",
      "state": "IA"
    },
    {
      "zip": "51111",
      "miles": 3.9,
      "city": "Sioux City",
      "state": "IA"
    },
    {
      "zip": "51106",
      "miles": 5.8,
      "city": "Sioux City",
      "state": "IA"
    },
    {
      "zip": "51052",
      "miles": 6.1,
      "city": "Salix",
      "state": "IA"
    },
    {
      "zip": "51007",
      "miles": 7.6,
      "city": "Bronson",
      "state": "IA"
    },
    {
      "zip": "68030",
      "miles": 7.7,
      "city": "Homer",
      "state": "NE"
    },
    {
      "zip": "68776",
      "miles": 7.8,
      "city": "South Sioux City",
      "state": "NE"
    },
    {
      "zip": "68731",
      "miles": 8.2,
      "city": "Dakota City",
      "state": "NE"
    },
    {
      "zip": "51101",
      "miles": 8.4,
      "city": "Sioux City",
      "state": "IA"
    },
    {
      "zip": "51105",
      "miles": 8.9,
      "city": "Sioux City",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/51054",
    "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."
  }
}