78666 ZIP Code Map


GeoFacts for 78666

78666 is a U.S. ZIP code (ZCTA) near San Marcos, Texas.

U.S. Census Bureau ZIP Code Tabulation Area: 78666
State: 78666 is in the central part of Texas in the west south central United States
Closest City to the Center of 78666: San Marcos, Texas (1.8 miles away)
Cities in 78666: San Marcos (1.8 mi), Redwood (5.9 mi), Wimberley (10.4 mi)
Is In 78666 These Counties: Hays County, Comal County, Guadalupe County, Caldwell County
Neighboring ZIP Codes to 78666: 78130, 78155, 78640, 78132, 78133, 78676, 78655, 78656, 78638, 78623
3-Digit ZIP Code Prefix for 78666: 786
Congressional Districts Representing 78666: TX 35th, TX 21st, TX 25th, TX 15th
Latitude/Longitude of 78666 (Centroid): 29.8795846480871, -97.966427132576
Bounding Box of 78666 (NWSE): 30.013428, -98.151587, 29.727324, -97.848594
Dimensions of 78666: 78666 is 18.1 miles wide and 19.8 miles tall
78666 Land Coverage: 176.6 sq. miles (99%)
78666 Water Coverage: 0.9 sq. miles (1%)
Total Land and Water Area Covered by 78666: 177.5 sq. miles
Population of 78666 (2010 Census): 63,836
Density of 78666 (2010 Census): 359.64 / sq. mi.
Housing Units in 78666 (2010 Census): 24,433
People per House in 78666: 2.6
U.S. Census Bureau GeoID: 78666

ZIP Codes Neighboring 78666

The following ZIP Codes are next to 78666: