{
  "zip": "37657",
  "type": "standard",
  "type_source": "inferred",
  "city": "Flag Pond",
  "other_place_names": [],
  "state": "TN",
  "state_name": "Tennessee",
  "county": {
    "fips": "47171",
    "name": "Unicoi County",
    "short_name": "Unicoi"
  },
  "counties": [
    {
      "county_fips": "47171",
      "name": "Unicoi County",
      "short_name": "Unicoi",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 36.017238,
    "lng": -82.560518,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "27740",
    "name": "Johnson City, TN",
    "type": "metro",
    "csa_code": "304",
    "csa_name": "Johnson City-Kingsport-Bristol, TN-VA"
  },
  "demographics": {
    "population": 1060,
    "households": 400,
    "housing_units": 551,
    "median_age": 41.7,
    "median_household_income": 73108,
    "median_home_value": 190600,
    "median_rent": null,
    "pct_bachelors_plus": 31.6,
    "mean_commute_min": 27.1,
    "density_per_sqmi": 28.9
  },
  "business": {
    "establishments": 3,
    "employees": 4,
    "annual_payroll_thousands": 243
  },
  "tax": {
    "irs_returns": 340,
    "irs_agi_thousands": 22455
  },
  "area": {
    "land_sqmi": 36.727,
    "water_sqmi": 0
  },
  "nearest_zips": [
    {
      "zip": "37650",
      "miles": 7.1,
      "city": "Erwin",
      "state": "TN"
    },
    {
      "zip": "28754",
      "miles": 10,
      "city": "Mars Hill",
      "state": "NC"
    },
    {
      "zip": "28753",
      "miles": 13.6,
      "city": "Marshall",
      "state": "NC"
    },
    {
      "zip": "37641",
      "miles": 13.9,
      "city": "Chuckey",
      "state": "TN"
    },
    {
      "zip": "28740",
      "miles": 14.3,
      "city": "Green Mountain",
      "state": "NC"
    },
    {
      "zip": "37690",
      "miles": 16.2,
      "city": "Telford",
      "state": "TN"
    },
    {
      "zip": "37743",
      "miles": 16.9,
      "city": "Greeneville",
      "state": "TN"
    },
    {
      "zip": "37681",
      "miles": 17,
      "city": "Limestone",
      "state": "TN"
    },
    {
      "zip": "28714",
      "miles": 17.2,
      "city": "Burnsville",
      "state": "NC"
    },
    {
      "zip": "37616",
      "miles": 17.7,
      "city": "Afton",
      "state": "TN"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/37657",
    "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."
  }
}