{
  "zip": "45309",
  "type": "standard",
  "type_source": "inferred",
  "city": "Brookville",
  "other_place_names": [
    "Trotwood",
    "Clayton"
  ],
  "state": "OH",
  "state_name": "Ohio",
  "county": {
    "fips": "39113",
    "name": "Montgomery County",
    "short_name": "Montgomery"
  },
  "counties": [
    {
      "county_fips": "39113",
      "name": "Montgomery County",
      "short_name": "Montgomery",
      "weight": 0.9465,
      "basis": "land_area"
    },
    {
      "county_fips": "39037",
      "name": "Darke County",
      "short_name": "Darke",
      "weight": 0.024,
      "basis": "land_area"
    },
    {
      "county_fips": "39109",
      "name": "Miami County",
      "short_name": "Miami",
      "weight": 0.0231,
      "basis": "land_area"
    },
    {
      "county_fips": "39135",
      "name": "Preble County",
      "short_name": "Preble",
      "weight": 0.0064,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.84242,
    "lng": -84.416627,
    "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": 11876,
    "households": 4648,
    "housing_units": 4990,
    "median_age": 46.7,
    "median_household_income": 75409,
    "median_home_value": 214700,
    "median_rent": 982,
    "pct_bachelors_plus": 24.6,
    "mean_commute_min": 23.3,
    "density_per_sqmi": 180.1
  },
  "business": {
    "establishments": 209,
    "employees": 2426,
    "annual_payroll_thousands": 106299
  },
  "tax": {
    "irs_returns": 5890,
    "irs_agi_thousands": 449066
  },
  "area": {
    "land_sqmi": 65.949,
    "water_sqmi": 0.001
  },
  "nearest_zips": [
    {
      "zip": "45315",
      "miles": 4.3,
      "city": "Clayton",
      "state": "OH"
    },
    {
      "zip": "45354",
      "miles": 4.8,
      "city": "Phillipsburg",
      "state": "OH"
    },
    {
      "zip": "45378",
      "miles": 5.6,
      "city": "Verona",
      "state": "OH"
    },
    {
      "zip": "45426",
      "miles": 6.2,
      "city": "Dayton",
      "state": "OH"
    },
    {
      "zip": "45322",
      "miles": 6.3,
      "city": "Englewood",
      "state": "OH"
    },
    {
      "zip": "45338",
      "miles": 6.8,
      "city": "Lewisburg",
      "state": "OH"
    },
    {
      "zip": "45345",
      "miles": 7.2,
      "city": "New Lebanon",
      "state": "OH"
    },
    {
      "zip": "45361",
      "miles": 8.4,
      "city": "Potsdam",
      "state": "OH"
    },
    {
      "zip": "45415",
      "miles": 8.5,
      "city": "Dayton",
      "state": "OH"
    },
    {
      "zip": "45416",
      "miles": 8.8,
      "city": "Dayton",
      "state": "OH"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/45309",
    "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."
  }
}