{
  "zip": "03901",
  "type": "standard",
  "type_source": "inferred",
  "city": "Berwick",
  "other_place_names": [],
  "state": "ME",
  "state_name": "Maine",
  "county": {
    "fips": "23031",
    "name": "York County",
    "short_name": "York"
  },
  "counties": [
    {
      "county_fips": "23031",
      "name": "York County",
      "short_name": "York",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.29932,
    "lng": -70.842062,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "38860",
    "name": "Portland-South Portland, ME",
    "type": "metro",
    "csa_code": "438",
    "csa_name": "Portland-Lewiston-South Portland, ME"
  },
  "demographics": {
    "population": 8175,
    "households": 3367,
    "housing_units": 3413,
    "median_age": 40.7,
    "median_household_income": 94771,
    "median_home_value": 369100,
    "median_rent": 1452,
    "pct_bachelors_plus": 35,
    "mean_commute_min": 29.5,
    "density_per_sqmi": 218
  },
  "business": {
    "establishments": 111,
    "employees": 749,
    "annual_payroll_thousands": 36223
  },
  "tax": {
    "irs_returns": 4080,
    "irs_agi_thousands": 299288
  },
  "area": {
    "land_sqmi": 37.505,
    "water_sqmi": 0.339
  },
  "nearest_zips": [
    {
      "zip": "03878",
      "miles": 3.9,
      "city": "Somersworth",
      "state": "NH"
    },
    {
      "zip": "03906",
      "miles": 4.8,
      "city": "North Berwick",
      "state": "ME"
    },
    {
      "zip": "03868",
      "miles": 5.2,
      "city": "Rochester",
      "state": "NH"
    },
    {
      "zip": "03869",
      "miles": 5.5,
      "city": "Rollinsford",
      "state": "NH"
    },
    {
      "zip": "03908",
      "miles": 6.5,
      "city": "South Berwick",
      "state": "ME"
    },
    {
      "zip": "03866",
      "miles": 6.7,
      "city": "Rochester",
      "state": "NH"
    },
    {
      "zip": "03821",
      "miles": 7.2,
      "city": "Dover",
      "state": "NH"
    },
    {
      "zip": "03822",
      "miles": 7.2,
      "city": "Dover",
      "state": "NH"
    },
    {
      "zip": "03839",
      "miles": 7.5,
      "city": "Rochester",
      "state": "NH"
    },
    {
      "zip": "03867",
      "miles": 7.5,
      "city": "Rochester",
      "state": "NH"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/03901",
    "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."
  }
}