USPS Standard Delivery Code
Gillespie County →
78631 ZIP Code: Harper, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for ZIP code 78631 in Harper, TX.
Neighborhoods:
Postal & Geographic Specifications USPS Data
ZIP Code 78631
Primary City Harper, TX
County Gillespie County
Area Code(s) 830
Timezone America/Chicago
Land Area 325.07 sq mi
Elevation 0 ft
Coordinates 30.3000°, -99.2500°
Demographic & Economic Profile (US Census Bureau)
American Community Survey (ACS) 5-Year Verified Metrics
Total Population 2,698 7 people / sq mi
Median Household Income $78,560 Per Capita: $21,670
Median Home Value $351,600 Median Rent: $1,200/mo
Housing Tenancy
60% Own • 40% Rent
1,571 Total Units Median Household Income Comparison $78,560 (78631) 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
Data for ZIP code 78631 in Harper, Texas.
USPS Postal Services
Active RouteThe primary postal delivery jurisdiction for 78631 operates within Harper, Texas.
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Geographic Map & Coordinates
30.3000, -99.2500Adjacent & Contiguous ZIP Codes
Nearby ZIP codes bordering 78631 in Harper
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