{
  "zip": "02558",
  "type": "standard",
  "type_source": "inferred",
  "city": "Onset",
  "other_place_names": [],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25023",
    "name": "Plymouth County",
    "short_name": "Plymouth"
  },
  "counties": [
    {
      "county_fips": "25023",
      "name": "Plymouth County",
      "short_name": "Plymouth",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 41.746275,
    "lng": -70.651689,
    "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": 1734,
    "households": 891,
    "housing_units": 1602,
    "median_age": 56.5,
    "median_household_income": 79598,
    "median_home_value": 441700,
    "median_rent": 1468,
    "pct_bachelors_plus": 20,
    "mean_commute_min": 16.6,
    "density_per_sqmi": 1552.4
  },
  "business": {
    "establishments": 38,
    "employees": 193,
    "annual_payroll_thousands": 7748
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 1.117,
    "water_sqmi": 1.061
  },
  "nearest_zips": [
    {
      "zip": "02538",
      "miles": 2.2,
      "city": "East Wareham",
      "state": "MA"
    },
    {
      "zip": "02571",
      "miles": 2.5,
      "city": "Wareham",
      "state": "MA"
    },
    {
      "zip": "02553",
      "miles": 2.7,
      "city": "Monument Beach",
      "state": "MA"
    },
    {
      "zip": "02532",
      "miles": 2.9,
      "city": "Buzzards Bay",
      "state": "MA"
    },
    {
      "zip": "02559",
      "miles": 4.3,
      "city": "Pocasset",
      "state": "MA"
    },
    {
      "zip": "02534",
      "miles": 5.7,
      "city": "Cataumet",
      "state": "MA"
    },
    {
      "zip": "02738",
      "miles": 5.8,
      "city": "Marion",
      "state": "MA"
    },
    {
      "zip": "02576",
      "miles": 6,
      "city": "West Wareham",
      "state": "MA"
    },
    {
      "zip": "02542",
      "miles": 6.1,
      "city": "Buzzards Bay",
      "state": "MA"
    },
    {
      "zip": "02561",
      "miles": 6.3,
      "city": "Sagamore",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/02558",
    "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."
  }
}