{
  "zip": "21903",
  "type": "standard",
  "type_source": "inferred",
  "city": "Perryville",
  "other_place_names": [],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24015",
    "name": "Cecil County",
    "short_name": "Cecil"
  },
  "counties": [
    {
      "county_fips": "24015",
      "name": "Cecil County",
      "short_name": "Cecil",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.574107,
    "lng": -76.045237,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "37980",
    "name": "Philadelphia-Camden-Wilmington, PA-NJ-DE-MD",
    "type": "metro",
    "csa_code": "428",
    "csa_name": "Philadelphia-Reading-Camden, PA-NJ-DE-MD"
  },
  "demographics": {
    "population": 5692,
    "households": 2383,
    "housing_units": 2421,
    "median_age": 43.1,
    "median_household_income": 78962,
    "median_home_value": 299300,
    "median_rent": 916,
    "pct_bachelors_plus": 20.1,
    "mean_commute_min": 27.3,
    "density_per_sqmi": 447.4
  },
  "business": {
    "establishments": 103,
    "employees": 2377,
    "annual_payroll_thousands": 115615
  },
  "tax": {
    "irs_returns": 2820,
    "irs_agi_thousands": 208371
  },
  "area": {
    "land_sqmi": 12.721,
    "water_sqmi": 1.114
  },
  "nearest_zips": [
    {
      "zip": "21902",
      "miles": 1.8,
      "city": "Perry Point",
      "state": "MD"
    },
    {
      "zip": "21904",
      "miles": 3.1,
      "city": "Port Deposit",
      "state": "MD"
    },
    {
      "zip": "21914",
      "miles": 3.2,
      "city": "Charlestown",
      "state": "MD"
    },
    {
      "zip": "21901",
      "miles": 4.2,
      "city": "North East",
      "state": "MD"
    },
    {
      "zip": "21078",
      "miles": 5.2,
      "city": "Havre De Grace",
      "state": "MD"
    },
    {
      "zip": "21917",
      "miles": 7.3,
      "city": "Colora",
      "state": "MD"
    },
    {
      "zip": "21005",
      "miles": 7.8,
      "city": "Aberdeen Proving Ground",
      "state": "MD"
    },
    {
      "zip": "21911",
      "miles": 8.4,
      "city": "Rising Sun",
      "state": "MD"
    },
    {
      "zip": "21001",
      "miles": 9.6,
      "city": "Aberdeen",
      "state": "MD"
    },
    {
      "zip": "21918",
      "miles": 10,
      "city": "Conowingo",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21903",
    "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."
  }
}