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Zip Code information for San Marcos, Texas.

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Texas Zip Codes

San Marcos Zip Codes

What are the San Marcos, Texas Zip Codes for 2020, 2019

Primary Zip Codes for San Marcos

Zip Code	Primary City	Secondary City
78666	San Marcos
78667	San Marcos

Cities sharing Zip Codes with San Marcos

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Content provided by the US Census bureau for the years 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

The Census Bureau can also provide statisics and demographics for 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009 on their website