{
  "zip": "48421",
  "type": "standard",
  "type_source": "inferred",
  "city": "Columbiaville",
  "other_place_names": [
    "Millers Lake",
    "Barnes Lake"
  ],
  "state": "MI",
  "state_name": "Michigan",
  "county": {
    "fips": "26087",
    "name": "Lapeer County",
    "short_name": "Lapeer"
  },
  "counties": [
    {
      "county_fips": "26087",
      "name": "Lapeer County",
      "short_name": "Lapeer",
      "weight": 0.9503,
      "basis": "land_area"
    },
    {
      "county_fips": "26049",
      "name": "Genesee County",
      "short_name": "Genesee",
      "weight": 0.0497,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 43.155496,
    "lng": -83.393189,
    "source": "gazetteer_internal_point",
    "timezone": "America/Detroit"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "19820",
    "name": "Detroit-Warren-Dearborn, MI",
    "type": "metro",
    "csa_code": "220",
    "csa_name": "Detroit-Warren-Ann Arbor, MI"
  },
  "demographics": {
    "population": 6935,
    "households": 2632,
    "housing_units": 3049,
    "median_age": 44.4,
    "median_household_income": 71114,
    "median_home_value": 220600,
    "median_rent": 654,
    "pct_bachelors_plus": 20.9,
    "mean_commute_min": 38.2,
    "density_per_sqmi": 167.3
  },
  "business": {
    "establishments": 53,
    "employees": 198,
    "annual_payroll_thousands": 8055
  },
  "tax": {
    "irs_returns": 3240,
    "irs_agi_thousands": 210097
  },
  "area": {
    "land_sqmi": 41.458,
    "water_sqmi": 3.083
  },
  "nearest_zips": [
    {
      "zip": "48464",
      "miles": 4,
      "city": "Otter Lake",
      "state": "MI"
    },
    {
      "zip": "48463",
      "miles": 6.4,
      "city": "Otisville",
      "state": "MI"
    },
    {
      "zip": "48435",
      "miles": 6.4,
      "city": "Fostoria",
      "state": "MI"
    },
    {
      "zip": "48446",
      "miles": 7.5,
      "city": "Lapeer",
      "state": "MI"
    },
    {
      "zip": "48461",
      "miles": 9.8,
      "city": "North Branch",
      "state": "MI"
    },
    {
      "zip": "48423",
      "miles": 10,
      "city": "Davison",
      "state": "MI"
    },
    {
      "zip": "48746",
      "miles": 10.4,
      "city": "Millington",
      "state": "MI"
    },
    {
      "zip": "48437",
      "miles": 11.7,
      "city": "Genesee",
      "state": "MI"
    },
    {
      "zip": "48412",
      "miles": 12.5,
      "city": "Attica",
      "state": "MI"
    },
    {
      "zip": "48506",
      "miles": 13.2,
      "city": "Flint",
      "state": "MI"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/48421",
    "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."
  }
}