{
  "zip": "03603",
  "type": "standard",
  "type_source": "inferred",
  "city": "Charlestown",
  "other_place_names": [],
  "state": "NH",
  "state_name": "New Hampshire",
  "county": {
    "fips": "33019",
    "name": "Sullivan County",
    "short_name": "Sullivan"
  },
  "counties": [
    {
      "county_fips": "33019",
      "name": "Sullivan County",
      "short_name": "Sullivan",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.247906,
    "lng": -72.373709,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "30150",
    "name": "Lebanon-Claremont, NH-VT",
    "type": "micro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 5238,
    "households": 1726,
    "housing_units": 2036,
    "median_age": 44.8,
    "median_household_income": 56731,
    "median_home_value": 230400,
    "median_rent": 1096,
    "pct_bachelors_plus": 14.4,
    "mean_commute_min": 23.7,
    "density_per_sqmi": 118.4
  },
  "business": {
    "establishments": 77,
    "employees": 1840,
    "annual_payroll_thousands": 117305
  },
  "tax": {
    "irs_returns": 2650,
    "irs_agi_thousands": 167437
  },
  "area": {
    "land_sqmi": 44.254,
    "water_sqmi": 2.276
  },
  "nearest_zips": [
    {
      "zip": "03601",
      "miles": 3.1,
      "city": "Acworth",
      "state": "NH"
    },
    {
      "zip": "05156",
      "miles": 6.2,
      "city": "Springfield",
      "state": "VT"
    },
    {
      "zip": "03607",
      "miles": 6.6,
      "city": "South Acworth",
      "state": "NH"
    },
    {
      "zip": "03602",
      "miles": 7.5,
      "city": "Alstead",
      "state": "NH"
    },
    {
      "zip": "03604",
      "miles": 8,
      "city": "Drewsville",
      "state": "NH"
    },
    {
      "zip": "03609",
      "miles": 8.1,
      "city": "North Walpole",
      "state": "NH"
    },
    {
      "zip": "03743",
      "miles": 8.1,
      "city": "Claremont",
      "state": "NH"
    },
    {
      "zip": "05101",
      "miles": 8.2,
      "city": "Bellows Falls",
      "state": "VT"
    },
    {
      "zip": "03605",
      "miles": 9.5,
      "city": "Lempster",
      "state": "NH"
    },
    {
      "zip": "05150",
      "miles": 10,
      "city": "North Springfield",
      "state": "VT"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/03603",
    "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."
  }
}