{
  "zip": "54923",
  "type": "standard",
  "type_source": "inferred",
  "city": "Berlin",
  "other_place_names": [],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55137",
    "name": "Waushara County",
    "short_name": "Waushara"
  },
  "counties": [
    {
      "county_fips": "55137",
      "name": "Waushara County",
      "short_name": "Waushara",
      "weight": 0.4841,
      "basis": "land_area"
    },
    {
      "county_fips": "55047",
      "name": "Green Lake County",
      "short_name": "Green Lake",
      "weight": 0.4323,
      "basis": "land_area"
    },
    {
      "county_fips": "55139",
      "name": "Winnebago County",
      "short_name": "Winnebago",
      "weight": 0.0836,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.99772,
    "lng": -88.9668,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 8793,
    "households": 3795,
    "housing_units": 4162,
    "median_age": 43.9,
    "median_household_income": 66223,
    "median_home_value": 189300,
    "median_rent": 835,
    "pct_bachelors_plus": 19.2,
    "mean_commute_min": 23.5,
    "density_per_sqmi": 64.8
  },
  "business": {
    "establishments": 202,
    "employees": 3166,
    "annual_payroll_thousands": 198384
  },
  "tax": {
    "irs_returns": 4340,
    "irs_agi_thousands": 264448
  },
  "area": {
    "land_sqmi": 135.656,
    "water_sqmi": 3.085
  },
  "nearest_zips": [
    {
      "zip": "54934",
      "miles": 6.3,
      "city": "Eureka",
      "state": "WI"
    },
    {
      "zip": "54970",
      "miles": 8.3,
      "city": "Redgranite",
      "state": "WI"
    },
    {
      "zip": "54967",
      "miles": 8.9,
      "city": "Poy Sippi",
      "state": "WI"
    },
    {
      "zip": "54980",
      "miles": 10,
      "city": "Waukau",
      "state": "WI"
    },
    {
      "zip": "54963",
      "miles": 10.5,
      "city": "Omro",
      "state": "WI"
    },
    {
      "zip": "54941",
      "miles": 10.7,
      "city": "Green Lake",
      "state": "WI"
    },
    {
      "zip": "54971",
      "miles": 11.9,
      "city": "Ripon",
      "state": "WI"
    },
    {
      "zip": "54965",
      "miles": 12.4,
      "city": "Pine River",
      "state": "WI"
    },
    {
      "zip": "54964",
      "miles": 12.5,
      "city": "Pickett",
      "state": "WI"
    },
    {
      "zip": "54960",
      "miles": 13.1,
      "city": "Neshkoro",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/54923",
    "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."
  }
}