{
  "zip": "21631",
  "type": "standard",
  "type_source": "inferred",
  "city": "East New Market",
  "other_place_names": [],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24019",
    "name": "Dorchester County",
    "short_name": "Dorchester"
  },
  "counties": [
    {
      "county_fips": "24019",
      "name": "Dorchester County",
      "short_name": "Dorchester",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 38.582391,
    "lng": -75.938981,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "15700",
    "name": "Cambridge, MD",
    "type": "micro",
    "csa_code": "548",
    "csa_name": "Washington-Baltimore-Arlington, DC-MD-VA-WV-PA"
  },
  "demographics": {
    "population": 2429,
    "households": 942,
    "housing_units": 1020,
    "median_age": 48.3,
    "median_household_income": 73864,
    "median_home_value": 306700,
    "median_rent": 1541,
    "pct_bachelors_plus": 23.8,
    "mean_commute_min": 18.4,
    "density_per_sqmi": 100.6
  },
  "business": {
    "establishments": 37,
    "employees": 290,
    "annual_payroll_thousands": 12843
  },
  "tax": {
    "irs_returns": 1350,
    "irs_agi_thousands": 106349
  },
  "area": {
    "land_sqmi": 24.145,
    "water_sqmi": 3.826
  },
  "nearest_zips": [
    {
      "zip": "21664",
      "miles": 1.8,
      "city": "Secretary",
      "state": "MD"
    },
    {
      "zip": "21835",
      "miles": 3.3,
      "city": "Linkwood",
      "state": "MD"
    },
    {
      "zip": "21643",
      "miles": 5.7,
      "city": "Hurlock",
      "state": "MD"
    },
    {
      "zip": "21673",
      "miles": 7,
      "city": "Trappe",
      "state": "MD"
    },
    {
      "zip": "21659",
      "miles": 7.5,
      "city": "Rhodesdale",
      "state": "MD"
    },
    {
      "zip": "21613",
      "miles": 9.3,
      "city": "Cambridge",
      "state": "MD"
    },
    {
      "zip": "21609",
      "miles": 11,
      "city": "Bethlehem",
      "state": "MD"
    },
    {
      "zip": "21655",
      "miles": 11.3,
      "city": "Preston",
      "state": "MD"
    },
    {
      "zip": "21861",
      "miles": 11.9,
      "city": "Sharptown",
      "state": "MD"
    },
    {
      "zip": "21654",
      "miles": 12.8,
      "city": "Oxford",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21631",
    "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."
  }
}