{
  "zip": "43037",
  "type": "standard",
  "type_source": "inferred",
  "city": "Martinsburg",
  "other_place_names": [],
  "state": "OH",
  "state_name": "Ohio",
  "county": {
    "fips": "39083",
    "name": "Knox County",
    "short_name": "Knox"
  },
  "counties": [
    {
      "county_fips": "39083",
      "name": "Knox County",
      "short_name": "Knox",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 40.284431,
    "lng": -82.32319,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "34540",
    "name": "Mount Vernon, OH",
    "type": "micro",
    "csa_code": "198",
    "csa_name": "Columbus-Marion-Zanesville, OH"
  },
  "demographics": {
    "population": 293,
    "households": 123,
    "housing_units": 133,
    "median_age": 61.2,
    "median_household_income": 69625,
    "median_home_value": 273400,
    "median_rent": 846,
    "pct_bachelors_plus": 10.2,
    "mean_commute_min": 23.5,
    "density_per_sqmi": 90.4
  },
  "business": {
    "establishments": 9,
    "employees": 64,
    "annual_payroll_thousands": 2074
  },
  "tax": {
    "irs_returns": 170,
    "irs_agi_thousands": 8995
  },
  "area": {
    "land_sqmi": 3.242,
    "water_sqmi": 0.009
  },
  "nearest_zips": [
    {
      "zip": "43005",
      "miles": 2.9,
      "city": "Bladensburg",
      "state": "OH"
    },
    {
      "zip": "43022",
      "miles": 4.3,
      "city": "Gambier",
      "state": "OH"
    },
    {
      "zip": "43080",
      "miles": 6.4,
      "city": "Utica",
      "state": "OH"
    },
    {
      "zip": "43071",
      "miles": 7.4,
      "city": "Saint Louisville",
      "state": "OH"
    },
    {
      "zip": "43028",
      "miles": 8.2,
      "city": "Howard",
      "state": "OH"
    },
    {
      "zip": "43843",
      "miles": 9,
      "city": "Walhonding",
      "state": "OH"
    },
    {
      "zip": "43027",
      "miles": 10.7,
      "city": "Homer",
      "state": "OH"
    },
    {
      "zip": "43050",
      "miles": 10.9,
      "city": "Mount Vernon",
      "state": "OH"
    },
    {
      "zip": "43822",
      "miles": 11.2,
      "city": "Frazeysburg",
      "state": "OH"
    },
    {
      "zip": "43055",
      "miles": 12.4,
      "city": "Newark",
      "state": "OH"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/43037",
    "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."
  }
}