{
  "zip": "78728",
  "type": "standard",
  "type_source": "inferred",
  "city": "Austin",
  "other_place_names": [
    "Wells Branch",
    "Round Rock"
  ],
  "state": "TX",
  "state_name": "Texas",
  "county": {
    "fips": "48453",
    "name": "Travis County",
    "short_name": "Travis"
  },
  "counties": [
    {
      "county_fips": "48453",
      "name": "Travis County",
      "short_name": "Travis",
      "weight": 0.7832,
      "basis": "land_area"
    },
    {
      "county_fips": "48491",
      "name": "Williamson County",
      "short_name": "Williamson",
      "weight": 0.2168,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 30.453764,
    "lng": -97.686695,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "12420",
    "name": "Austin-Round Rock-San Marcos, TX",
    "type": "metro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 26777,
    "households": 13169,
    "housing_units": 14128,
    "median_age": 33.9,
    "median_household_income": 75243,
    "median_home_value": 437000,
    "median_rent": 1632,
    "pct_bachelors_plus": 47.7,
    "mean_commute_min": 23.1,
    "density_per_sqmi": 3455.5
  },
  "business": {
    "establishments": 631,
    "employees": 16007,
    "annual_payroll_thousands": 1089778
  },
  "tax": {
    "irs_returns": 12780,
    "irs_agi_thousands": 950271
  },
  "area": {
    "land_sqmi": 7.749,
    "water_sqmi": 0.017
  },
  "nearest_zips": [
    {
      "zip": "78764",
      "miles": 1.7,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78727",
      "miles": 2.5,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78691",
      "miles": 4.1,
      "city": "Pflugerville",
      "state": "TX"
    },
    {
      "zip": "78729",
      "miles": 4.2,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78664",
      "miles": 4.3,
      "city": "Round Rock",
      "state": "TX"
    },
    {
      "zip": "78717",
      "miles": 4.7,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78758",
      "miles": 4.7,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78753",
      "miles": 4.9,
      "city": "Austin",
      "state": "TX"
    },
    {
      "zip": "78660",
      "miles": 5.6,
      "city": "Pflugerville",
      "state": "TX"
    },
    {
      "zip": "78759",
      "miles": 5.7,
      "city": "Austin",
      "state": "TX"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/78728",
    "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."
  }
}