{
  "zip": "94404",
  "type": "standard",
  "type_source": "inferred",
  "city": "San Mateo",
  "other_place_names": [
    "Foster City"
  ],
  "state": "CA",
  "state_name": "California",
  "county": {
    "fips": "06081",
    "name": "San Mateo County",
    "short_name": "San Mateo"
  },
  "counties": [
    {
      "county_fips": "06081",
      "name": "San Mateo County",
      "short_name": "San Mateo",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 37.555999,
    "lng": -122.267679,
    "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": 35881,
    "households": 14717,
    "housing_units": 15350,
    "median_age": 39.8,
    "median_household_income": 192332,
    "median_home_value": 1714400,
    "median_rent": 3501,
    "pct_bachelors_plus": 74.3,
    "mean_commute_min": 29,
    "density_per_sqmi": 8248.5
  },
  "business": {
    "establishments": 911,
    "employees": 26284,
    "annual_payroll_thousands": 5858700
  },
  "tax": {
    "irs_returns": 17540,
    "irs_agi_thousands": 3932052
  },
  "area": {
    "land_sqmi": 4.35,
    "water_sqmi": 0.575
  },
  "nearest_zips": [
    {
      "zip": "94065",
      "miles": 1.8,
      "city": "Redwood City",
      "state": "CA"
    },
    {
      "zip": "94403",
      "miles": 2.4,
      "city": "San Mateo",
      "state": "CA"
    },
    {
      "zip": "94401",
      "miles": 3.2,
      "city": "San Mateo",
      "state": "CA"
    },
    {
      "zip": "94002",
      "miles": 3.3,
      "city": "Belmont",
      "state": "CA"
    },
    {
      "zip": "94497",
      "miles": 3.5,
      "city": "San Mateo",
      "state": "CA"
    },
    {
      "zip": "94402",
      "miles": 3.6,
      "city": "San Mateo",
      "state": "CA"
    },
    {
      "zip": "94070",
      "miles": 4.1,
      "city": "San Carlos",
      "state": "CA"
    },
    {
      "zip": "94011",
      "miles": 5.7,
      "city": "Burlingame",
      "state": "CA"
    },
    {
      "zip": "94063",
      "miles": 5.9,
      "city": "Redwood City",
      "state": "CA"
    },
    {
      "zip": "94010",
      "miles": 6,
      "city": "Burlingame",
      "state": "CA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/94404",
    "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."
  }
}