{
  "zip": "94553",
  "type": "standard",
  "type_source": "inferred",
  "city": "Martinez",
  "other_place_names": [
    "Alhambra Valley",
    "Vine Hill",
    "Pacheco",
    "Mountain View",
    "Concord",
    "Pleasant Hill"
  ],
  "state": "CA",
  "state_name": "California",
  "county": {
    "fips": "06013",
    "name": "Contra Costa County",
    "short_name": "Contra Costa"
  },
  "counties": [
    {
      "county_fips": "06013",
      "name": "Contra Costa County",
      "short_name": "Contra Costa",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.978299,
    "lng": -122.157109,
    "source": "gazetteer_internal_point",
    "timezone": "America/Los_Angeles"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "41860",
    "name": "San Francisco-Oakland-Fremont, CA",
    "type": "metro",
    "csa_code": "488",
    "csa_name": "San Jose-San Francisco-Oakland, CA"
  },
  "demographics": {
    "population": 48643,
    "households": 19141,
    "housing_units": 19677,
    "median_age": 42.6,
    "median_household_income": 124130,
    "median_home_value": 825900,
    "median_rent": 2317,
    "pct_bachelors_plus": 42.9,
    "mean_commute_min": 28.9,
    "density_per_sqmi": 789.2
  },
  "business": {
    "establishments": 1141,
    "employees": 17214,
    "annual_payroll_thousands": 1437602
  },
  "tax": {
    "irs_returns": 24050,
    "irs_agi_thousands": 2767123
  },
  "area": {
    "land_sqmi": 61.634,
    "water_sqmi": 3.268
  },
  "nearest_zips": [
    {
      "zip": "94523",
      "miles": 4.7,
      "city": "Pleasant Hill",
      "state": "CA"
    },
    {
      "zip": "94569",
      "miles": 4.9,
      "city": "Port Costa",
      "state": "CA"
    },
    {
      "zip": "94572",
      "miles": 5.2,
      "city": "Rodeo",
      "state": "CA"
    },
    {
      "zip": "94549",
      "miles": 5.7,
      "city": "Lafayette",
      "state": "CA"
    },
    {
      "zip": "94547",
      "miles": 5.8,
      "city": "Hercules",
      "state": "CA"
    },
    {
      "zip": "94525",
      "miles": 6.2,
      "city": "Crockett",
      "state": "CA"
    },
    {
      "zip": "94597",
      "miles": 6.3,
      "city": "Walnut Creek",
      "state": "CA"
    },
    {
      "zip": "94564",
      "miles": 6.3,
      "city": "Pinole",
      "state": "CA"
    },
    {
      "zip": "94520",
      "miles": 6.7,
      "city": "Concord",
      "state": "CA"
    },
    {
      "zip": "94522",
      "miles": 6.9,
      "city": "Concord",
      "state": "CA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/94553",
    "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."
  }
}