78665 ZIP Code Map


GeoFacts for 78665

78665 is a U.S. ZIP code (ZCTA) near Round Rock, Texas.

U.S. Census Bureau ZIP Code Tabulation Area: 78665
State: 78665 is in the eastern part of Texas in the west south central United States
Closest City to the Center of 78665: Round Rock, Texas (1.9 miles away)
Cities in 78665: Round Rock (1.9 mi), Georgetown (9.0 mi)
Closest County to 78665: Williamson County
Neighboring ZIP Codes to 78665: 78664, 78681, 78626, 78628, 78634
3-Digit ZIP Code Prefix for 78665: 786
Congressional Districts Representing 78665: TX 31st
Latitude/Longitude of 78665 (Centroid): 30.5448591072778, -97.6437537508727
Bounding Box of 78665 (NWSE): 30.587262, -97.692855, 30.49631, -97.601171
Dimensions of 78665: 78665 is 5.5 miles wide and 6.3 miles tall
78665 Land Coverage: 18.8 sq. miles (98%)
78665 Water Coverage: 0.3 sq. miles (2%)
Total Land and Water Area Covered by 78665: 19.1 sq. miles
Population of 78665 (2010 Census): 35,985
Density of 78665 (2010 Census): 1,884.03 / sq. mi.
Housing Units in 78665 (2010 Census): 12,870
People per House in 78665: 2.8
U.S. Census Bureau GeoID: 78665

ZIP Codes Neighboring 78665

The following ZIP Codes are next to 78665: