{
  "zip": "04421",
  "type": "standard",
  "type_source": "inferred",
  "city": "Castine",
  "other_place_names": [],
  "state": "ME",
  "state_name": "Maine",
  "county": {
    "fips": "23009",
    "name": "Hancock County",
    "short_name": "Hancock"
  },
  "counties": [
    {
      "county_fips": "23009",
      "name": "Hancock County",
      "short_name": "Hancock",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 44.409006,
    "lng": -68.815533,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 1362,
    "households": 352,
    "housing_units": 720,
    "median_age": 21.2,
    "median_household_income": 113750,
    "median_home_value": 603500,
    "median_rent": 1105,
    "pct_bachelors_plus": 74.5,
    "mean_commute_min": 14.2,
    "density_per_sqmi": 175.2
  },
  "business": {
    "establishments": 28,
    "employees": 150,
    "annual_payroll_thousands": 6363
  },
  "tax": {
    "irs_returns": 350,
    "irs_agi_thousands": 43638
  },
  "area": {
    "land_sqmi": 7.776,
    "water_sqmi": 12.233
  },
  "nearest_zips": [
    {
      "zip": "04420",
      "miles": 0.9,
      "city": "Castine",
      "state": "ME"
    },
    {
      "zip": "04617",
      "miles": 5.3,
      "city": "Brooksville",
      "state": "ME"
    },
    {
      "zip": "04642",
      "miles": 5.4,
      "city": "Harborside",
      "state": "ME"
    },
    {
      "zip": "04974",
      "miles": 7,
      "city": "Searsport",
      "state": "ME"
    },
    {
      "zip": "04972",
      "miles": 7.3,
      "city": "Sandy Point",
      "state": "ME"
    },
    {
      "zip": "04981",
      "miles": 7.3,
      "city": "Stockton Springs",
      "state": "ME"
    },
    {
      "zip": "04476",
      "miles": 7.4,
      "city": "Penobscot",
      "state": "ME"
    },
    {
      "zip": "04848",
      "miles": 9.1,
      "city": "Islesboro",
      "state": "ME"
    },
    {
      "zip": "04650",
      "miles": 9.2,
      "city": "Little Deer Isle",
      "state": "ME"
    },
    {
      "zip": "04676",
      "miles": 9.9,
      "city": "Sedgwick",
      "state": "ME"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/04421",
    "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."
  }
}