78666 ZIP Code
San Marcos, Texas
- ZIP Code
- 78666
- City
- San Marcos
- State
- Texas
- State Abbreviation
- TX
- County
- Guadalupe
- County FIPS
- 48187
- Time Zone
- Central Time
- Latitude
- 29.87958
- Longitude
- -97.96642
- Population
- 63,836
Population & Demographics
- Population
- 63,836
Income, housing, education and employment figures are not available for this ZIP code in the source dataset.
Where is ZIP Code 78666?
ZIP code 78666 is associated with San Marcos, Texas, in Guadalupe County.
ZIP codes are postal delivery areas, so this ZIP code does not necessarily match the municipal boundary of San Marcos.
Location Details
City
San Marcos
State
Texas
State abbreviation
TX
County
Guadalupe
County FIPS
48187
Time zone
Central Time
Population
63,836
Metro area
Data not available
Time Zone
Central Time
Time zone identifier: America/Chicago
ZIP Code Coordinates
Latitude
29.87958
Longitude
-97.96642
ZIP Codes Near 78666
Related ZIP Codes
Compare 78666 with another ZIP code
For example: 78666 vs 78655