{
  "zip": "76831",
  "type": "standard",
  "type_source": "inferred",
  "city": "Castell",
  "other_place_names": [],
  "state": "TX",
  "state_name": "Texas",
  "county": {
    "fips": "48299",
    "name": "Llano County",
    "short_name": "Llano"
  },
  "counties": [
    {
      "county_fips": "48299",
      "name": "Llano County",
      "short_name": "Llano",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 30.757565,
    "lng": -98.957787,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 0,
    "households": 0,
    "housing_units": 0,
    "median_age": null,
    "median_household_income": null,
    "median_home_value": null,
    "median_rent": null,
    "pct_bachelors_plus": null,
    "mean_commute_min": null,
    "density_per_sqmi": 0
  },
  "business": {
    "establishments": 4,
    "employees": 11,
    "annual_payroll_thousands": 496
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": 8.209,
    "water_sqmi": 0.016
  },
  "nearest_zips": [
    {
      "zip": "76820",
      "miles": 5.3,
      "city": "Art",
      "state": "TX"
    },
    {
      "zip": "76885",
      "miles": 9,
      "city": "Valley Spring",
      "state": "TX"
    },
    {
      "zip": "76869",
      "miles": 10.6,
      "city": "Pontotoc",
      "state": "TX"
    },
    {
      "zip": "76842",
      "miles": 14.3,
      "city": "Fredonia",
      "state": "TX"
    },
    {
      "zip": "78643",
      "miles": 15.4,
      "city": "Llano",
      "state": "TX"
    },
    {
      "zip": "76832",
      "miles": 18.9,
      "city": "Cherokee",
      "state": "TX"
    },
    {
      "zip": "76856",
      "miles": 19.3,
      "city": "Mason",
      "state": "TX"
    },
    {
      "zip": "76887",
      "miles": 22.4,
      "city": "Voca",
      "state": "TX"
    },
    {
      "zip": "78618",
      "miles": 22.6,
      "city": "Doss",
      "state": "TX"
    },
    {
      "zip": "78675",
      "miles": 26.8,
      "city": "Willow City",
      "state": "TX"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/76831",
    "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."
  }
}