{
  "zip": "08544",
  "type": "standard",
  "type_source": "inferred",
  "city": "Princeton",
  "other_place_names": [],
  "state": "NJ",
  "state_name": "New Jersey",
  "county": {
    "fips": "34021",
    "name": "Mercer County",
    "short_name": "Mercer"
  },
  "counties": [
    {
      "county_fips": "34021",
      "name": "Mercer County",
      "short_name": "Mercer",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 40.346492,
    "lng": -74.657848,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "45940",
    "name": "Trenton-Princeton, NJ",
    "type": "metro",
    "csa_code": "408",
    "csa_name": "New York-Newark, NY-NJ-CT-PA"
  },
  "demographics": {
    "population": 4392,
    "households": 12,
    "housing_units": 12,
    "median_age": 20.4,
    "median_household_income": null,
    "median_home_value": null,
    "median_rent": null,
    "pct_bachelors_plus": 90.7,
    "mean_commute_min": 14.7,
    "density_per_sqmi": 26457.8
  },
  "business": {
    "establishments": 15,
    "employees": 11979,
    "annual_payroll_thousands": 911266
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 0.166,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "08541",
      "miles": 0.2,
      "city": "Princeton",
      "state": "NJ"
    },
    {
      "zip": "08542",
      "miles": 0.6,
      "city": "Princeton",
      "state": "NJ"
    },
    {
      "zip": "08540",
      "miles": 1.3,
      "city": "Princeton",
      "state": "NJ"
    },
    {
      "zip": "08528",
      "miles": 3.5,
      "city": "Kingston",
      "state": "NJ"
    },
    {
      "zip": "08553",
      "miles": 3.9,
      "city": "Rocky Hill",
      "state": "NJ"
    },
    {
      "zip": "08536",
      "miles": 3.9,
      "city": "Plainsboro",
      "state": "NJ"
    },
    {
      "zip": "08504",
      "miles": 4.8,
      "city": "Blawenburg",
      "state": "NJ"
    },
    {
      "zip": "08550",
      "miles": 5,
      "city": "Princeton Junction",
      "state": "NJ"
    },
    {
      "zip": "08558",
      "miles": 5.2,
      "city": "Skillman",
      "state": "NJ"
    },
    {
      "zip": "08648",
      "miles": 5.3,
      "city": "Lawrence Township",
      "state": "NJ"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/08544",
    "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."
  }
}