{
  "zip": "03057",
  "type": "standard",
  "type_source": "inferred",
  "city": "Mont Vernon",
  "other_place_names": [],
  "state": "NH",
  "state_name": "New Hampshire",
  "county": {
    "fips": "33011",
    "name": "Hillsborough County",
    "short_name": "Hillsborough"
  },
  "counties": [
    {
      "county_fips": "33011",
      "name": "Hillsborough County",
      "short_name": "Hillsborough",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.908885,
    "lng": -71.694199,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "31700",
    "name": "Manchester-Nashua, NH",
    "type": "metro",
    "csa_code": "148",
    "csa_name": "Boston-Worcester-Providence, MA-RI-NH"
  },
  "demographics": {
    "population": 2709,
    "households": 884,
    "housing_units": 953,
    "median_age": 43,
    "median_household_income": 156250,
    "median_home_value": 518400,
    "median_rent": 1104,
    "pct_bachelors_plus": 51.6,
    "mean_commute_min": 29.9,
    "density_per_sqmi": 151.4
  },
  "business": {
    "establishments": 23,
    "employees": 72,
    "annual_payroll_thousands": 6668
  },
  "tax": {
    "irs_returns": 1380,
    "irs_agi_thousands": 202801
  },
  "area": {
    "land_sqmi": 17.896,
    "water_sqmi": 0.1
  },
  "nearest_zips": [
    {
      "zip": "03082",
      "miles": 3.8,
      "city": "Lyndeborough",
      "state": "NH"
    },
    {
      "zip": "03070",
      "miles": 4.7,
      "city": "New Boston",
      "state": "NH"
    },
    {
      "zip": "03031",
      "miles": 5.3,
      "city": "Amherst",
      "state": "NH"
    },
    {
      "zip": "03086",
      "miles": 6.2,
      "city": "Wilton",
      "state": "NH"
    },
    {
      "zip": "03055",
      "miles": 6.3,
      "city": "Milford",
      "state": "NH"
    },
    {
      "zip": "03110",
      "miles": 8.2,
      "city": "Bedford",
      "state": "NH"
    },
    {
      "zip": "03043",
      "miles": 8.5,
      "city": "Francestown",
      "state": "NH"
    },
    {
      "zip": "03047",
      "miles": 9.6,
      "city": "Greenfield",
      "state": "NH"
    },
    {
      "zip": "03054",
      "miles": 9.7,
      "city": "Merrimack",
      "state": "NH"
    },
    {
      "zip": "03045",
      "miles": 10.2,
      "city": "Goffstown",
      "state": "NH"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/03057",
    "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."
  }
}