{
  "zip": "20640",
  "type": "standard",
  "type_source": "inferred",
  "city": "Indian Head",
  "other_place_names": [
    "Bryans Road",
    "Potomac Heights"
  ],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24017",
    "name": "Charles County",
    "short_name": "Charles"
  },
  "counties": [
    {
      "county_fips": "24017",
      "name": "Charles County",
      "short_name": "Charles",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 38.526733,
    "lng": -77.201604,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "47900",
    "name": "Washington-Arlington-Alexandria, DC-VA-MD-WV",
    "type": "metro",
    "csa_code": "548",
    "csa_name": "Washington-Baltimore-Arlington, DC-MD-VA-WV-PA"
  },
  "demographics": {
    "population": 10685,
    "households": 4163,
    "housing_units": 4501,
    "median_age": 38.8,
    "median_household_income": 100593,
    "median_home_value": 324600,
    "median_rent": 1529,
    "pct_bachelors_plus": 24.2,
    "mean_commute_min": 44.4,
    "density_per_sqmi": 256.1
  },
  "business": {
    "establishments": 94,
    "employees": 494,
    "annual_payroll_thousands": 24654
  },
  "tax": {
    "irs_returns": 5000,
    "irs_agi_thousands": 355047
  },
  "area": {
    "land_sqmi": 41.723,
    "water_sqmi": 5.814
  },
  "nearest_zips": [
    {
      "zip": "20643",
      "miles": 3.3,
      "city": "Ironsides",
      "state": "MD"
    },
    {
      "zip": "20658",
      "miles": 3.8,
      "city": "Marbury",
      "state": "MD"
    },
    {
      "zip": "22135",
      "miles": 5,
      "city": "Quantico",
      "state": "VA"
    },
    {
      "zip": "22026",
      "miles": 5.6,
      "city": "Dumfries",
      "state": "VA"
    },
    {
      "zip": "20662",
      "miles": 6.8,
      "city": "Nanjemoy",
      "state": "MD"
    },
    {
      "zip": "22191",
      "miles": 7.4,
      "city": "Woodbridge",
      "state": "VA"
    },
    {
      "zip": "20693",
      "miles": 7.7,
      "city": "Welcome",
      "state": "MD"
    },
    {
      "zip": "22025",
      "miles": 9.2,
      "city": "Dumfries",
      "state": "VA"
    },
    {
      "zip": "20677",
      "miles": 9.2,
      "city": "Port Tobacco",
      "state": "MD"
    },
    {
      "zip": "22194",
      "miles": 9.4,
      "city": "Woodbridge",
      "state": "VA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/20640",
    "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."
  }
}