USPS Standard Delivery Code
Blanco County →
78663 ZIP Code: Round Mountain, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for ZIP code 78663 in Round Mountain, TX.
Neighborhoods:
Postal & Geographic Specifications USPS Data
ZIP Code 78663
Primary City Round Mountain, TX
County Blanco County
Area Code(s) 830
Timezone America/Chicago
Land Area 123.09 sq mi
Elevation 0 ft
Coordinates 30.4300°, -98.3500°
Demographic & Economic Profile (US Census Bureau)
American Community Survey (ACS) 5-Year Verified Metrics
Total Population 815 6 people / sq mi
Median Household Income $168,125 Per Capita: $84,062
Median Home Value $356,800 Median Rent: $0/mo
Housing Tenancy
60% Own • 40% Rent
288 Total Units Median Household Income Comparison
$168,125 (78663) 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 78663 is an active delivery area in Round Mountain, Texas. It is geographically situated within Blanco County.
USPS Postal Services
Active RouteThe primary postal delivery jurisdiction for 78663 operates within Round Mountain, 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.
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Geographic Map & Coordinates
30.4300, -98.3500Adjacent & Contiguous ZIP Codes
Nearby ZIP codes bordering 78663 in Round Mountain
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