{
  "zip": "21784",
  "type": "standard",
  "type_source": "inferred",
  "city": "Sykesville",
  "other_place_names": [
    "Eldersburg"
  ],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24013",
    "name": "Carroll County",
    "short_name": "Carroll"
  },
  "counties": [
    {
      "county_fips": "24013",
      "name": "Carroll County",
      "short_name": "Carroll",
      "weight": 0.8197,
      "basis": "land_area"
    },
    {
      "county_fips": "24027",
      "name": "Howard County",
      "short_name": "Howard",
      "weight": 0.1803,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.401084,
    "lng": -76.973736,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "12580",
    "name": "Baltimore-Columbia-Towson, MD",
    "type": "metro",
    "csa_code": "548",
    "csa_name": "Washington-Baltimore-Arlington, DC-MD-VA-WV-PA"
  },
  "demographics": {
    "population": 39258,
    "households": 13416,
    "housing_units": 13797,
    "median_age": 38.9,
    "median_household_income": 139395,
    "median_home_value": 491800,
    "median_rent": 1739,
    "pct_bachelors_plus": 53,
    "mean_commute_min": 33.3,
    "density_per_sqmi": 699.4
  },
  "business": {
    "establishments": 975,
    "employees": 12994,
    "annual_payroll_thousands": 662024
  },
  "tax": {
    "irs_returns": 19810,
    "irs_agi_thousands": 2374944
  },
  "area": {
    "land_sqmi": 56.131,
    "water_sqmi": 2.029
  },
  "nearest_zips": [
    {
      "zip": "21104",
      "miles": 5,
      "city": "Marriottsville",
      "state": "MD"
    },
    {
      "zip": "21723",
      "miles": 5.2,
      "city": "Cooksville",
      "state": "MD"
    },
    {
      "zip": "21765",
      "miles": 6.8,
      "city": "Lisbon",
      "state": "MD"
    },
    {
      "zip": "21797",
      "miles": 7,
      "city": "Woodbine",
      "state": "MD"
    },
    {
      "zip": "21794",
      "miles": 7.1,
      "city": "West Friendship",
      "state": "MD"
    },
    {
      "zip": "21048",
      "miles": 7.3,
      "city": "Finksburg",
      "state": "MD"
    },
    {
      "zip": "21136",
      "miles": 7.4,
      "city": "Reisterstown",
      "state": "MD"
    },
    {
      "zip": "21163",
      "miles": 8,
      "city": "Woodstock",
      "state": "MD"
    },
    {
      "zip": "21133",
      "miles": 8.8,
      "city": "Randallstown",
      "state": "MD"
    },
    {
      "zip": "21738",
      "miles": 8.8,
      "city": "Glenwood",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21784",
    "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."
  }
}