{
  "zip": "99328",
  "type": "standard",
  "type_source": "inferred",
  "city": "Dayton",
  "other_place_names": [],
  "state": "WA",
  "state_name": "Washington",
  "county": {
    "fips": "53013",
    "name": "Columbia County",
    "short_name": "Columbia"
  },
  "counties": [
    {
      "county_fips": "53013",
      "name": "Columbia County",
      "short_name": "Columbia",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 46.275681,
    "lng": -117.870851,
    "source": "gazetteer_internal_point",
    "timezone": "America/Los_Angeles"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 3646,
    "households": 1667,
    "housing_units": 1977,
    "median_age": 49.3,
    "median_household_income": 72756,
    "median_home_value": 272100,
    "median_rent": 982,
    "pct_bachelors_plus": 24,
    "mean_commute_min": 21.4,
    "density_per_sqmi": 5.5
  },
  "business": {
    "establishments": 100,
    "employees": 876,
    "annual_payroll_thousands": 41733
  },
  "tax": {
    "irs_returns": 1620,
    "irs_agi_thousands": 114494
  },
  "area": {
    "land_sqmi": 657.289,
    "water_sqmi": 3.448
  },
  "nearest_zips": [
    {
      "zip": "99361",
      "miles": 13.3,
      "city": "Waitsburg",
      "state": "WA"
    },
    {
      "zip": "99329",
      "miles": 16.2,
      "city": "Dixie",
      "state": "WA"
    },
    {
      "zip": "99347",
      "miles": 17.4,
      "city": "Pomeroy",
      "state": "WA"
    },
    {
      "zip": "99359",
      "miles": 21.5,
      "city": "Starbuck",
      "state": "WA"
    },
    {
      "zip": "99362",
      "miles": 24.4,
      "city": "Walla Walla",
      "state": "WA"
    },
    {
      "zip": "99402",
      "miles": 25.1,
      "city": "Asotin",
      "state": "WA"
    },
    {
      "zip": "99136",
      "miles": 27.8,
      "city": "Hay",
      "state": "WA"
    },
    {
      "zip": "99348",
      "miles": 28.3,
      "city": "Prescott",
      "state": "WA"
    },
    {
      "zip": "99403",
      "miles": 28.5,
      "city": "Clarkston",
      "state": "WA"
    },
    {
      "zip": "99324",
      "miles": 29.4,
      "city": "College Place",
      "state": "WA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/99328",
    "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."
  }
}