USPS Standard Delivery Code
Gonzales County →
78159 ZIP Code: Smiley, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for ZIP code 78159 in Smiley, TX.
Neighborhoods:
Postal & Geographic Specifications USPS Data
ZIP Code 78159
Primary City Smiley, TX
County Gonzales County
Area Code(s) 830
Timezone America/Chicago
Land Area 155.22 sq mi
Elevation 0 ft
Coordinates 29.2700°, -97.6300°
Demographic & Economic Profile (US Census Bureau)
American Community Survey (ACS) 5-Year Verified Metrics
Total Population 793 7 people / sq mi
Median Household Income $35,083 Per Capita: $17,541
Median Home Value $132,600 Median Rent: $0/mo
Housing Tenancy
60% Own • 40% Rent
303 Total Units Median Household Income Comparison
$35,083 (78159) vs. $74,640 (Texas State)
Metrics sourced directly from the official U.S. Census Bureau (2022 ACS 5-Year Estimates).
Verify on data.census.gov
Editor's Neighborhood Insight & Local Context
Editor's Neighborhood Insight: ZIP Code 78159 is an active delivery area in Smiley, Texas. It is geographically situated within Gonzales County.
USPS Postal Services
Active RouteThe primary postal delivery jurisdiction for 78159 operates within Smiley, Texas.
Note: Not all ZIP codes have a dedicated physical post office. A single USPS regional facility often serves multiple ZIP codes across a city or county.
Need retail services, PO Boxes, or passport appointments?
Find Nearest USPS Office
Geographic Map & Coordinates
29.2700, -97.6300Adjacent & Contiguous ZIP Codes
Nearby ZIP codes bordering 78159 in Smiley
Explore Major Texas Metropolitan Regions: