{
  "zip": "54880",
  "type": "standard",
  "type_source": "inferred",
  "city": "Superior",
  "other_place_names": [
    "Oliver"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55031",
    "name": "Douglas County",
    "short_name": "Douglas"
  },
  "counties": [
    {
      "county_fips": "55031",
      "name": "Douglas County",
      "short_name": "Douglas",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 46.590874,
    "lng": -92.12831,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "20260",
    "name": "Duluth, MN-WI",
    "type": "metro",
    "csa_code": "228",
    "csa_name": "Duluth-Grand Rapids, MN-WI"
  },
  "demographics": {
    "population": 30312,
    "households": 13465,
    "housing_units": 14535,
    "median_age": 40.1,
    "median_household_income": 68275,
    "median_home_value": 190700,
    "median_rent": 910,
    "pct_bachelors_plus": 28.8,
    "mean_commute_min": 17.1,
    "density_per_sqmi": 182.5
  },
  "business": {
    "establishments": 777,
    "employees": 13085,
    "annual_payroll_thousands": 705569
  },
  "tax": {
    "irs_returns": 14230,
    "irs_agi_thousands": 912893
  },
  "area": {
    "land_sqmi": 166.113,
    "water_sqmi": 9.946
  },
  "nearest_zips": [
    {
      "zip": "55808",
      "miles": 8,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "54874",
      "miles": 9.1,
      "city": "South Range",
      "state": "WI"
    },
    {
      "zip": "54836",
      "miles": 9.9,
      "city": "Foxboro",
      "state": "WI"
    },
    {
      "zip": "55807",
      "miles": 10.2,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "55797",
      "miles": 11.2,
      "city": "Wrenshall",
      "state": "MN"
    },
    {
      "zip": "55802",
      "miles": 12.2,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "55806",
      "miles": 12.2,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "55810",
      "miles": 13.3,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "55801",
      "miles": 13.3,
      "city": "Duluth",
      "state": "MN"
    },
    {
      "zip": "55815",
      "miles": 13.3,
      "city": "Duluth",
      "state": "MN"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/54880",
    "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."
  }
}