{
  "zip": "21043",
  "type": "standard",
  "type_source": "inferred",
  "city": "Ellicott City",
  "other_place_names": [
    "Ilchester",
    "Catonsville",
    "Columbia"
  ],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24027",
    "name": "Howard County",
    "short_name": "Howard"
  },
  "counties": [
    {
      "county_fips": "24027",
      "name": "Howard County",
      "short_name": "Howard",
      "weight": 0.9678,
      "basis": "land_area"
    },
    {
      "county_fips": "24005",
      "name": "Baltimore County",
      "short_name": "Baltimore",
      "weight": 0.0322,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.255836,
    "lng": -76.801491,
    "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": 48525,
    "households": 17568,
    "housing_units": 18133,
    "median_age": 40.3,
    "median_household_income": 148125,
    "median_home_value": 620900,
    "median_rent": 2094,
    "pct_bachelors_plus": 64.2,
    "mean_commute_min": 28.1,
    "density_per_sqmi": 2838.2
  },
  "business": {
    "establishments": 1131,
    "employees": 10059,
    "annual_payroll_thousands": 659281
  },
  "tax": {
    "irs_returns": 23150,
    "irs_agi_thousands": 2932547
  },
  "area": {
    "land_sqmi": 17.097,
    "water_sqmi": 0.072
  },
  "nearest_zips": [
    {
      "zip": "21228",
      "miles": 3.1,
      "city": "Catonsville",
      "state": "MD"
    },
    {
      "zip": "21045",
      "miles": 3.7,
      "city": "Columbia",
      "state": "MD"
    },
    {
      "zip": "21075",
      "miles": 4.5,
      "city": "Elkridge",
      "state": "MD"
    },
    {
      "zip": "21250",
      "miles": 4.8,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21042",
      "miles": 5.2,
      "city": "Ellicott City",
      "state": "MD"
    },
    {
      "zip": "21044",
      "miles": 5.4,
      "city": "Columbia",
      "state": "MD"
    },
    {
      "zip": "21244",
      "miles": 5.6,
      "city": "Windsor Mill",
      "state": "MD"
    },
    {
      "zip": "21046",
      "miles": 5.9,
      "city": "Columbia",
      "state": "MD"
    },
    {
      "zip": "21163",
      "miles": 6.2,
      "city": "Woodstock",
      "state": "MD"
    },
    {
      "zip": "21229",
      "miles": 6.2,
      "city": "Baltimore",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21043",
    "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."
  }
}