{
  "zip": "37729",
  "type": "standard",
  "type_source": "inferred",
  "city": "Duff",
  "other_place_names": [],
  "state": "TN",
  "state_name": "Tennessee",
  "county": {
    "fips": "47013",
    "name": "Campbell County",
    "short_name": "Campbell"
  },
  "counties": [
    {
      "county_fips": "47013",
      "name": "Campbell County",
      "short_name": "Campbell",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 36.514122,
    "lng": -84.032754,
    "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": 1279,
    "households": 477,
    "housing_units": 681,
    "median_age": 45.5,
    "median_household_income": 42772,
    "median_home_value": 112300,
    "median_rent": null,
    "pct_bachelors_plus": 31.8,
    "mean_commute_min": 31.5,
    "density_per_sqmi": 26
  },
  "business": {
    "establishments": null,
    "employees": null,
    "annual_payroll_thousands": null
  },
  "tax": {
    "irs_returns": 410,
    "irs_agi_thousands": 16767
  },
  "area": {
    "land_sqmi": 49.25,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "37715",
      "miles": 4.9,
      "city": "Clairfield",
      "state": "TN"
    },
    {
      "zip": "37730",
      "miles": 5,
      "city": "Eagan",
      "state": "TN"
    },
    {
      "zip": "37762",
      "miles": 6.4,
      "city": "Jellico",
      "state": "TN"
    },
    {
      "zip": "40940",
      "miles": 8,
      "city": "Frakes",
      "state": "KY"
    },
    {
      "zip": "37766",
      "miles": 8.3,
      "city": "La Follette",
      "state": "TN"
    },
    {
      "zip": "37819",
      "miles": 10.3,
      "city": "Newcomb",
      "state": "TN"
    },
    {
      "zip": "37870",
      "miles": 11.6,
      "city": "Speedwell",
      "state": "TN"
    },
    {
      "zip": "40763",
      "miles": 13.5,
      "city": "Siler",
      "state": "KY"
    },
    {
      "zip": "37851",
      "miles": 13.8,
      "city": "Pruden",
      "state": "TN"
    },
    {
      "zip": "40730",
      "miles": 14.4,
      "city": "Emlyn",
      "state": "KY"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/37729",
    "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."
  }
}