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ZIP Code 78666 — San Marcos, TX

ZIP code 78666 serves San Marcos, Texas, within Hays County. It is part of area code 512, with population 66,027 and mean income of $48,534.

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Location details

City
San Marcos
County
Hays County
State
Texas (TX)
Area code
512
Population
~66,027
Median household income
$48,534
Current local time
8:45 PM
Timezone
Central Time (UTC-5)

Related ZIP codes in TX

Open state page
79936
El Paso, TX
77084
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77449
Katy, TX
78521
Brownsville, TX
75052
Grand Prairie, TX
75217
Dallas, TX
75070
Mckinney, TX
79912
El Paso, TX

About ZIP code 78666

ZIP code 78666 is a Standard ZIP in San Marcos, Texas. It is linked to area code 512 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.

The location coordinates are 29.880160, -97.966160, which can later be displayed on a map for better geographic context.

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