{
  "zip": "38581",
  "type": "standard",
  "type_source": "inferred",
  "city": "Rock Island",
  "other_place_names": [],
  "state": "TN",
  "state_name": "Tennessee",
  "county": {
    "fips": "47177",
    "name": "Warren County",
    "short_name": "Warren"
  },
  "counties": [
    {
      "county_fips": "47177",
      "name": "Warren County",
      "short_name": "Warren",
      "weight": 0.5316,
      "basis": "land_area"
    },
    {
      "county_fips": "47175",
      "name": "Van Buren County",
      "short_name": "Van Buren",
      "weight": 0.454,
      "basis": "land_area"
    },
    {
      "county_fips": "47041",
      "name": "DeKalb County",
      "short_name": "DeKalb",
      "weight": 0.0144,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 35.74104,
    "lng": -85.620827,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "32660",
    "name": "McMinnville, TN",
    "type": "micro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 4079,
    "households": 1784,
    "housing_units": 2018,
    "median_age": 53.1,
    "median_household_income": 55985,
    "median_home_value": 182500,
    "median_rent": 928,
    "pct_bachelors_plus": 15,
    "mean_commute_min": 33.5,
    "density_per_sqmi": 41.6
  },
  "business": {
    "establishments": 36,
    "employees": 211,
    "annual_payroll_thousands": 9037
  },
  "tax": {
    "irs_returns": 1910,
    "irs_agi_thousands": 113491
  },
  "area": {
    "land_sqmi": 97.974,
    "water_sqmi": 1.048
  },
  "nearest_zips": [
    {
      "zip": "38550",
      "miles": 2.1,
      "city": "Campaign",
      "state": "TN"
    },
    {
      "zip": "38579",
      "miles": 7.7,
      "city": "Quebeck",
      "state": "TN"
    },
    {
      "zip": "38559",
      "miles": 7.9,
      "city": "Doyle",
      "state": "TN"
    },
    {
      "zip": "38587",
      "miles": 8.6,
      "city": "Walling",
      "state": "TN"
    },
    {
      "zip": "37111",
      "miles": 9.3,
      "city": "Mcminnville",
      "state": "TN"
    },
    {
      "zip": "37110",
      "miles": 9.5,
      "city": "Mcminnville",
      "state": "TN"
    },
    {
      "zip": "38585",
      "miles": 12.1,
      "city": "Spencer",
      "state": "TN"
    },
    {
      "zip": "37378",
      "miles": 14,
      "city": "Smartt",
      "state": "TN"
    },
    {
      "zip": "37166",
      "miles": 15.4,
      "city": "Smithville",
      "state": "TN"
    },
    {
      "zip": "38583",
      "miles": 18.1,
      "city": "Sparta",
      "state": "TN"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/38581",
    "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."
  }
}