{
  "zip": "95228",
  "type": "standard",
  "type_source": "inferred",
  "city": "Copperopolis",
  "other_place_names": [],
  "state": "CA",
  "state_name": "California",
  "county": {
    "fips": "06009",
    "name": "Calaveras County",
    "short_name": "Calaveras"
  },
  "counties": [
    {
      "county_fips": "06009",
      "name": "Calaveras County",
      "short_name": "Calaveras",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.907265,
    "lng": -120.688327,
    "source": "gazetteer_internal_point",
    "timezone": "America/Los_Angeles"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 4611,
    "households": 1847,
    "housing_units": 2584,
    "median_age": 51.4,
    "median_household_income": 107899,
    "median_home_value": 484500,
    "median_rent": 2077,
    "pct_bachelors_plus": 21.4,
    "mean_commute_min": 40.9,
    "density_per_sqmi": 50.4
  },
  "business": {
    "establishments": 72,
    "employees": 590,
    "annual_payroll_thousands": 30393
  },
  "tax": {
    "irs_returns": 2220,
    "irs_agi_thousands": 226327
  },
  "area": {
    "land_sqmi": 91.405,
    "water_sqmi": 1.285
  },
  "nearest_zips": [
    {
      "zip": "95361",
      "miles": 9.6,
      "city": "Oakdale",
      "state": "CA"
    },
    {
      "zip": "95222",
      "miles": 11.3,
      "city": "Angels Camp",
      "state": "CA"
    },
    {
      "zip": "95327",
      "miles": 11.8,
      "city": "Jamestown",
      "state": "CA"
    },
    {
      "zip": "95230",
      "miles": 12.9,
      "city": "Farmington",
      "state": "CA"
    },
    {
      "zip": "95221",
      "miles": 13.7,
      "city": "Altaville",
      "state": "CA"
    },
    {
      "zip": "95309",
      "miles": 14.2,
      "city": "Chinese Camp",
      "state": "CA"
    },
    {
      "zip": "95386",
      "miles": 17,
      "city": "Waterford",
      "state": "CA"
    },
    {
      "zip": "95251",
      "miles": 17.5,
      "city": "Vallecito",
      "state": "CA"
    },
    {
      "zip": "95320",
      "miles": 18.4,
      "city": "Escalon",
      "state": "CA"
    },
    {
      "zip": "95367",
      "miles": 18.7,
      "city": "Riverbank",
      "state": "CA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/95228",
    "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."
  }
}