{
  "zip": "37840",
  "type": "standard",
  "type_source": "inferred",
  "city": "Oliver Springs",
  "other_place_names": [
    "Coalfield",
    "Petros",
    "Oak Ridge"
  ],
  "state": "TN",
  "state_name": "Tennessee",
  "county": {
    "fips": "47129",
    "name": "Morgan County",
    "short_name": "Morgan"
  },
  "counties": [
    {
      "county_fips": "47129",
      "name": "Morgan County",
      "short_name": "Morgan",
      "weight": 0.4429,
      "basis": "land_area"
    },
    {
      "county_fips": "47001",
      "name": "Anderson County",
      "short_name": "Anderson",
      "weight": 0.368,
      "basis": "land_area"
    },
    {
      "county_fips": "47145",
      "name": "Roane County",
      "short_name": "Roane",
      "weight": 0.1891,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 36.067831,
    "lng": -84.369634,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "28940",
    "name": "Knoxville, TN",
    "type": "metro",
    "csa_code": "315",
    "csa_name": "Knoxville-Morristown-Sevierville, TN"
  },
  "demographics": {
    "population": 10004,
    "households": 3789,
    "housing_units": 4006,
    "median_age": 43,
    "median_household_income": 75881,
    "median_home_value": 203600,
    "median_rent": 682,
    "pct_bachelors_plus": 15.5,
    "mean_commute_min": 29.5,
    "density_per_sqmi": 123.9
  },
  "business": {
    "establishments": 108,
    "employees": 695,
    "annual_payroll_thousands": 25109
  },
  "tax": {
    "irs_returns": 4070,
    "irs_agi_thousands": 239155
  },
  "area": {
    "land_sqmi": 80.715,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "37719",
      "miles": 4.6,
      "city": "Coalfield",
      "state": "TN"
    },
    {
      "zip": "37845",
      "miles": 5.1,
      "city": "Petros",
      "state": "TN"
    },
    {
      "zip": "37710",
      "miles": 6.9,
      "city": "Briceville",
      "state": "TN"
    },
    {
      "zip": "37830",
      "miles": 8.3,
      "city": "Oak Ridge",
      "state": "TN"
    },
    {
      "zip": "37831",
      "miles": 10.1,
      "city": "Oak Ridge",
      "state": "TN"
    },
    {
      "zip": "37716",
      "miles": 11.5,
      "city": "Clinton",
      "state": "TN"
    },
    {
      "zip": "37717",
      "miles": 11.7,
      "city": "Clinton",
      "state": "TN"
    },
    {
      "zip": "37748",
      "miles": 11.8,
      "city": "Harriman",
      "state": "TN"
    },
    {
      "zip": "37714",
      "miles": 13,
      "city": "Caryville",
      "state": "TN"
    },
    {
      "zip": "37887",
      "miles": 13.7,
      "city": "Wartburg",
      "state": "TN"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/37840",
    "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."
  }
}