{
  "zip": "21210",
  "type": "standard",
  "type_source": "inferred",
  "city": "Baltimore",
  "other_place_names": [
    "Towson"
  ],
  "state": "MD",
  "state_name": "Maryland",
  "county": {
    "fips": "24510",
    "name": "Baltimore city",
    "short_name": "Baltimore city"
  },
  "counties": [
    {
      "county_fips": "24510",
      "name": "Baltimore city",
      "short_name": "Baltimore city",
      "weight": 0.8444,
      "basis": "land_area"
    },
    {
      "county_fips": "24005",
      "name": "Baltimore County",
      "short_name": "Baltimore",
      "weight": 0.1556,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.357633,
    "lng": -76.634986,
    "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": 14134,
    "households": 5202,
    "housing_units": 5595,
    "median_age": 32,
    "median_household_income": 112428,
    "median_home_value": 547300,
    "median_rent": 1535,
    "pct_bachelors_plus": 83.6,
    "mean_commute_min": 23.4,
    "density_per_sqmi": 4100.4
  },
  "business": {
    "establishments": 301,
    "employees": 6438,
    "annual_payroll_thousands": 297927
  },
  "tax": {
    "irs_returns": 5410,
    "irs_agi_thousands": 1118273
  },
  "area": {
    "land_sqmi": 3.447,
    "water_sqmi": 0.037
  },
  "nearest_zips": [
    {
      "zip": "21212",
      "miles": 1.3,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21209",
      "miles": 1.9,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21211",
      "miles": 2,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21285",
      "miles": 2.3,
      "city": "Towson",
      "state": "MD"
    },
    {
      "zip": "21239",
      "miles": 2.6,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21218",
      "miles": 2.6,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21215",
      "miles": 2.6,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21252",
      "miles": 2.8,
      "city": "Towson",
      "state": "MD"
    },
    {
      "zip": "21251",
      "miles": 3,
      "city": "Baltimore",
      "state": "MD"
    },
    {
      "zip": "21204",
      "miles": 3.4,
      "city": "Towson",
      "state": "MD"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/21210",
    "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."
  }
}