{
  "zip": "53523",
  "type": "standard",
  "type_source": "inferred",
  "city": "Cambridge",
  "other_place_names": [
    "Lake Ripley",
    "Rockdale"
  ],
  "state": "WI",
  "state_name": "Wisconsin",
  "county": {
    "fips": "55025",
    "name": "Dane County",
    "short_name": "Dane"
  },
  "counties": [
    {
      "county_fips": "55025",
      "name": "Dane County",
      "short_name": "Dane",
      "weight": 0.6532,
      "basis": "land_area"
    },
    {
      "county_fips": "55055",
      "name": "Jefferson County",
      "short_name": "Jefferson",
      "weight": 0.3468,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.984409,
    "lng": -89.028839,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "31540",
    "name": "Madison, WI",
    "type": "metro",
    "csa_code": "357",
    "csa_name": "Madison-Janesville-Beloit, WI"
  },
  "demographics": {
    "population": 5074,
    "households": 2158,
    "housing_units": 2370,
    "median_age": 48.6,
    "median_household_income": 102188,
    "median_home_value": 345300,
    "median_rent": 1211,
    "pct_bachelors_plus": 41.8,
    "mean_commute_min": 28.5,
    "density_per_sqmi": 108.3
  },
  "business": {
    "establishments": 139,
    "employees": 862,
    "annual_payroll_thousands": 30156
  },
  "tax": {
    "irs_returns": 2850,
    "irs_agi_thousands": 252883
  },
  "area": {
    "land_sqmi": 46.847,
    "water_sqmi": 1.225
  },
  "nearest_zips": [
    {
      "zip": "53531",
      "miles": 6.2,
      "city": "Deerfield",
      "state": "WI"
    },
    {
      "zip": "53551",
      "miles": 8.7,
      "city": "Lake Mills",
      "state": "WI"
    },
    {
      "zip": "53534",
      "miles": 9.1,
      "city": "Edgerton",
      "state": "WI"
    },
    {
      "zip": "53527",
      "miles": 9.5,
      "city": "Cottage Grove",
      "state": "WI"
    },
    {
      "zip": "53538",
      "miles": 9.5,
      "city": "Fort Atkinson",
      "state": "WI"
    },
    {
      "zip": "53589",
      "miles": 10.2,
      "city": "Stoughton",
      "state": "WI"
    },
    {
      "zip": "53558",
      "miles": 12.5,
      "city": "Mc Farland",
      "state": "WI"
    },
    {
      "zip": "53559",
      "miles": 12.8,
      "city": "Marshall",
      "state": "WI"
    },
    {
      "zip": "53549",
      "miles": 13.3,
      "city": "Jefferson",
      "state": "WI"
    },
    {
      "zip": "53038",
      "miles": 13.9,
      "city": "Johnson Creek",
      "state": "WI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/53523",
    "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."
  }
}