{
  "zip": "77378",
  "type": "standard",
  "type_source": "inferred",
  "city": "Willis",
  "other_place_names": [
    "Conroe"
  ],
  "state": "TX",
  "state_name": "Texas",
  "county": {
    "fips": "48339",
    "name": "Montgomery County",
    "short_name": "Montgomery"
  },
  "counties": [
    {
      "county_fips": "48339",
      "name": "Montgomery County",
      "short_name": "Montgomery",
      "weight": 0.605,
      "basis": "land_area"
    },
    {
      "county_fips": "48407",
      "name": "San Jacinto County",
      "short_name": "San Jacinto",
      "weight": 0.395,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 30.478056,
    "lng": -95.384905,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "26420",
    "name": "Houston-Pasadena-The Woodlands, TX",
    "type": "metro",
    "csa_code": "288",
    "csa_name": "Houston-Pasadena, TX"
  },
  "demographics": {
    "population": 17629,
    "households": 5924,
    "housing_units": 6173,
    "median_age": 35.1,
    "median_household_income": 71143,
    "median_home_value": 199800,
    "median_rent": 1532,
    "pct_bachelors_plus": 18.4,
    "mean_commute_min": 34,
    "density_per_sqmi": 197.8
  },
  "business": {
    "establishments": 287,
    "employees": 3061,
    "annual_payroll_thousands": 134616
  },
  "tax": {
    "irs_returns": 8770,
    "irs_agi_thousands": 628494
  },
  "area": {
    "land_sqmi": 89.107,
    "water_sqmi": 0.497
  },
  "nearest_zips": [
    {
      "zip": "77358",
      "miles": 5.7,
      "city": "New Waverly",
      "state": "TX"
    },
    {
      "zip": "77303",
      "miles": 6.9,
      "city": "Conroe",
      "state": "TX"
    },
    {
      "zip": "77318",
      "miles": 10.2,
      "city": "Willis",
      "state": "TX"
    },
    {
      "zip": "77393",
      "miles": 11.3,
      "city": "Spring",
      "state": "TX"
    },
    {
      "zip": "77301",
      "miles": 12,
      "city": "Conroe",
      "state": "TX"
    },
    {
      "zip": "77328",
      "miles": 12.5,
      "city": "Cleveland",
      "state": "TX"
    },
    {
      "zip": "77305",
      "miles": 13,
      "city": "Conroe",
      "state": "TX"
    },
    {
      "zip": "77304",
      "miles": 13,
      "city": "Conroe",
      "state": "TX"
    },
    {
      "zip": "77306",
      "miles": 14,
      "city": "Conroe",
      "state": "TX"
    },
    {
      "zip": "77340",
      "miles": 15.1,
      "city": "Huntsville",
      "state": "TX"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/77378",
    "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."
  }
}