{
  "zip": "21777",
  "type": "standard",
  "type_source": "inferred",
  "city": "Point Of Rocks",
  "other_place_names": [],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24021",
    "name": "Frederick County",
    "short_name": "Frederick"
  },
  "counties": [
    {
      "county_fips": "24021",
      "name": "Frederick County",
      "short_name": "Frederick",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.279296,
    "lng": -77.528727,
    "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": 2462,
    "households": 817,
    "housing_units": 817,
    "median_age": 43.8,
    "median_household_income": 159708,
    "median_home_value": 480500,
    "median_rent": null,
    "pct_bachelors_plus": 44.8,
    "mean_commute_min": 43.6,
    "density_per_sqmi": 2242.3
  },
  "business": {
    "establishments": 25,
    "employees": 552,
    "annual_payroll_thousands": 55688
  },
  "tax": {
    "irs_returns": 880,
    "irs_agi_thousands": 99674
  },
  "area": {
    "land_sqmi": 1.098,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "21790",
      "miles": 1.8,
      "city": "Tuscarora",
      "state": "MD"
    },
    {
      "zip": "21710",
      "miles": 5.5,
      "city": "Adamstown",
      "state": "MD"
    },
    {
      "zip": "20180",
      "miles": 5.9,
      "city": "Lovettsville",
      "state": "VA"
    },
    {
      "zip": "21716",
      "miles": 5.9,
      "city": "Brunswick",
      "state": "MD"
    },
    {
      "zip": "21755",
      "miles": 5.9,
      "city": "Jefferson",
      "state": "MD"
    },
    {
      "zip": "21717",
      "miles": 6.6,
      "city": "Buckeystown",
      "state": "MD"
    },
    {
      "zip": "21703",
      "miles": 6.7,
      "city": "Frederick",
      "state": "MD"
    },
    {
      "zip": "20176",
      "miles": 6.8,
      "city": "Leesburg",
      "state": "VA"
    },
    {
      "zip": "20197",
      "miles": 7.9,
      "city": "Waterford",
      "state": "VA"
    },
    {
      "zip": "20842",
      "miles": 8.2,
      "city": "Dickerson",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21777",
    "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."
  }
}