{
  "zip": "45312",
  "type": "standard",
  "type_source": "inferred",
  "city": "Casstown",
  "other_place_names": [
    "Christiansburg"
  ],
  "state": "OH",
  "state_name": "Ohio",
  "county": {
    "fips": "39109",
    "name": "Miami County",
    "short_name": "Miami"
  },
  "counties": [
    {
      "county_fips": "39109",
      "name": "Miami County",
      "short_name": "Miami",
      "weight": 0.98,
      "basis": "land_area"
    },
    {
      "county_fips": "39021",
      "name": "Champaign County",
      "short_name": "Champaign",
      "weight": 0.02,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 40.052155,
    "lng": -84.093025,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "19430",
    "name": "Dayton-Kettering-Beavercreek, OH",
    "type": "metro",
    "csa_code": "212",
    "csa_name": "Dayton-Springfield-Kettering, OH"
  },
  "demographics": {
    "population": 1086,
    "households": 484,
    "housing_units": 518,
    "median_age": 52.7,
    "median_household_income": 91842,
    "median_home_value": 279400,
    "median_rent": 1156,
    "pct_bachelors_plus": 22.6,
    "mean_commute_min": 21.4,
    "density_per_sqmi": 39.7
  },
  "business": {
    "establishments": 15,
    "employees": 25,
    "annual_payroll_thousands": 1844
  },
  "tax": {
    "irs_returns": 720,
    "irs_agi_thousands": 60542
  },
  "area": {
    "land_sqmi": 27.333,
    "water_sqmi": 0.006
  },
  "nearest_zips": [
    {
      "zip": "45389",
      "miles": 3.6,
      "city": "Christiansburg",
      "state": "OH"
    },
    {
      "zip": "45373",
      "miles": 5.6,
      "city": "Troy",
      "state": "OH"
    },
    {
      "zip": "45326",
      "miles": 6.1,
      "city": "Fletcher",
      "state": "OH"
    },
    {
      "zip": "45374",
      "miles": 7.3,
      "city": "Troy",
      "state": "OH"
    },
    {
      "zip": "45344",
      "miles": 8.1,
      "city": "New Carlisle",
      "state": "OH"
    },
    {
      "zip": "43072",
      "miles": 8.5,
      "city": "Saint Paris",
      "state": "OH"
    },
    {
      "zip": "45371",
      "miles": 8.6,
      "city": "Tipp City",
      "state": "OH"
    },
    {
      "zip": "45349",
      "miles": 9.2,
      "city": "North Hampton",
      "state": "OH"
    },
    {
      "zip": "45317",
      "miles": 9.6,
      "city": "Conover",
      "state": "OH"
    },
    {
      "zip": "45356",
      "miles": 10.5,
      "city": "Piqua",
      "state": "OH"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/45312",
    "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."
  }
}