{
  "zip": "21921",
  "type": "standard",
  "type_source": "inferred",
  "city": "Elkton",
  "other_place_names": [
    "North East"
  ],
  "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": 39.627145,
    "lng": -75.859891,
    "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": 45527,
    "households": 17316,
    "housing_units": 18475,
    "median_age": 39.4,
    "median_household_income": 85775,
    "median_home_value": 330400,
    "median_rent": 1421,
    "pct_bachelors_plus": 28.8,
    "mean_commute_min": 26.9,
    "density_per_sqmi": 480.6
  },
  "business": {
    "establishments": 802,
    "employees": 15064,
    "annual_payroll_thousands": 1021905
  },
  "tax": {
    "irs_returns": 20760,
    "irs_agi_thousands": 1547751
  },
  "area": {
    "land_sqmi": 94.733,
    "water_sqmi": 5.489
  },
  "nearest_zips": [
    {
      "zip": "21916",
      "miles": 1.5,
      "city": "Childs",
      "state": "MD"
    },
    {
      "zip": "21922",
      "miles": 2,
      "city": "Elkton",
      "state": "MD"
    },
    {
      "zip": "21920",
      "miles": 2.2,
      "city": "Elk Mills",
      "state": "MD"
    },
    {
      "zip": "21901",
      "miles": 6.5,
      "city": "North East",
      "state": "MD"
    },
    {
      "zip": "19351",
      "miles": 6.6,
      "city": "Lewisville",
      "state": "PA"
    },
    {
      "zip": "19716",
      "miles": 6.7,
      "city": "Newark",
      "state": "DE"
    },
    {
      "zip": "19717",
      "miles": 6.8,
      "city": "Newark",
      "state": "DE"
    },
    {
      "zip": "19702",
      "miles": 7,
      "city": "Newark",
      "state": "DE"
    },
    {
      "zip": "21914",
      "miles": 7.5,
      "city": "Charlestown",
      "state": "MD"
    },
    {
      "zip": "19360",
      "miles": 7.9,
      "city": "New London",
      "state": "PA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21921",
    "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."
  }
}