{
  "zip": "01860",
  "type": "standard",
  "type_source": "inferred",
  "city": "Merrimac",
  "other_place_names": [],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25009",
    "name": "Essex County",
    "short_name": "Essex"
  },
  "counties": [
    {
      "county_fips": "25009",
      "name": "Essex County",
      "short_name": "Essex",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.838603,
    "lng": -71.011997,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "14460",
    "name": "Boston-Cambridge-Newton, MA-NH",
    "type": "metro",
    "csa_code": "148",
    "csa_name": "Boston-Worcester-Providence, MA-RI-NH"
  },
  "demographics": {
    "population": 6748,
    "households": 2815,
    "housing_units": 2899,
    "median_age": 49.4,
    "median_household_income": 123054,
    "median_home_value": 553400,
    "median_rent": 1352,
    "pct_bachelors_plus": 41,
    "mean_commute_min": 32,
    "density_per_sqmi": 794
  },
  "business": {
    "establishments": 103,
    "employees": 765,
    "annual_payroll_thousands": 32461
  },
  "tax": {
    "irs_returns": 3690,
    "irs_agi_thousands": 370078
  },
  "area": {
    "land_sqmi": 8.499,
    "water_sqmi": 0.399
  },
  "nearest_zips": [
    {
      "zip": "03859",
      "miles": 2.1,
      "city": "Newton Junction",
      "state": "NH"
    },
    {
      "zip": "03858",
      "miles": 2.8,
      "city": "Newton",
      "state": "NH"
    },
    {
      "zip": "01913",
      "miles": 3,
      "city": "Amesbury",
      "state": "MA"
    },
    {
      "zip": "01830",
      "miles": 3.6,
      "city": "Haverhill",
      "state": "MA"
    },
    {
      "zip": "01985",
      "miles": 3.6,
      "city": "West Newbury",
      "state": "MA"
    },
    {
      "zip": "03865",
      "miles": 4.1,
      "city": "Plaistow",
      "state": "NH"
    },
    {
      "zip": "03827",
      "miles": 4.6,
      "city": "East Kingston",
      "state": "NH"
    },
    {
      "zip": "01834",
      "miles": 5.9,
      "city": "Groveland",
      "state": "MA"
    },
    {
      "zip": "03848",
      "miles": 6.1,
      "city": "Kingston",
      "state": "NH"
    },
    {
      "zip": "01950",
      "miles": 6.4,
      "city": "Newburyport",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/01860",
    "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."
  }
}