{
  "zip": "21034",
  "type": "standard",
  "type_source": "inferred",
  "city": "Darlington",
  "other_place_names": [],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24025",
    "name": "Harford County",
    "short_name": "Harford"
  },
  "counties": [
    {
      "county_fips": "24025",
      "name": "Harford County",
      "short_name": "Harford",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.640582,
    "lng": -76.223104,
    "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": 2846,
    "households": 1132,
    "housing_units": 1151,
    "median_age": 45.1,
    "median_household_income": 78047,
    "median_home_value": 401500,
    "median_rent": 1151,
    "pct_bachelors_plus": 22.8,
    "mean_commute_min": 30.9,
    "density_per_sqmi": 106.7
  },
  "business": {
    "establishments": 80,
    "employees": 611,
    "annual_payroll_thousands": 37755
  },
  "tax": {
    "irs_returns": 1650,
    "irs_agi_thousands": 155403
  },
  "area": {
    "land_sqmi": 26.667,
    "water_sqmi": 2.83
  },
  "nearest_zips": [
    {
      "zip": "21918",
      "miles": 3.6,
      "city": "Conowingo",
      "state": "MD"
    },
    {
      "zip": "21028",
      "miles": 5.3,
      "city": "Churchville",
      "state": "MD"
    },
    {
      "zip": "21160",
      "miles": 6.1,
      "city": "Whiteford",
      "state": "MD"
    },
    {
      "zip": "21917",
      "miles": 7,
      "city": "Colora",
      "state": "MD"
    },
    {
      "zip": "21078",
      "miles": 7.1,
      "city": "Havre De Grace",
      "state": "MD"
    },
    {
      "zip": "21154",
      "miles": 7.4,
      "city": "Street",
      "state": "MD"
    },
    {
      "zip": "21015",
      "miles": 7.6,
      "city": "Bel Air",
      "state": "MD"
    },
    {
      "zip": "21904",
      "miles": 8.4,
      "city": "Port Deposit",
      "state": "MD"
    },
    {
      "zip": "17563",
      "miles": 8.5,
      "city": "Peach Bottom",
      "state": "PA"
    },
    {
      "zip": "17314",
      "miles": 9.3,
      "city": "Delta",
      "state": "PA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21034",
    "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."
  }
}