SAN MARCOS, TX ZIP Code
| City | SAN MARCOS |
| State | Texas |
| ZIP Codes count | 2 (see all) |
| Post offices count | 1 (see all) |
| Total population | 61,751 (see all) |
78666, 78667
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of SAN MARCOS, TX ZIP Codes
| ZIP | TYPE | POPU |
|---|---|---|
| 78666 | STANDARD | 83,858 |
| 78667 | PO BOX | – |
Post offices
SAN MARCOS — Post Office™ 900 BUGG LN STE 110A SAN MARCOS, TX 78666-9807 |
Envelope example
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- Recipient's full name
- Full street address
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Using the same format, write the return address in the top left corner.
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The recipient address information is provided for your reference.
Address example
790 ASHLEY CT
SAN MARCOS TX 78666-7859
SAN MARCOS TX 78666-7859
257 DASHING SYCAMORE ST
SAN MARCOS TX 78666-3750
SAN MARCOS TX 78666-3750
5358 HIDDEN BROOK LN
SAN MARCOS TX 78666-1535
SAN MARCOS TX 78666-1535
1203 HILLTOP DR
SAN MARCOS TX 78666-9561
SAN MARCOS TX 78666-9561
1190 MILITARY DR
SAN MARCOS TX 78666-9566
SAN MARCOS TX 78666-9566
356 SUNNYWOOD LN
SAN MARCOS TX 78666-8914
SAN MARCOS TX 78666-8914
Map
Census data for SAN MARCOS, TX
Demographic and housing estimates in SAN MARCOS, TX
| Total population | 61,751 |
| Male | 30,051 |
| Female | 31,700 |
| Total population | 61,751 |
| Under 5 years | 2,625 |
| 5 to 9 years | 2,302 |
| 10 to 14 years | 2,261 |
| 15 to 19 years | 8,226 |
| 20 to 24 years | 17,530 |
| 25 to 34 years | 11,032 |
| 35 to 44 years | 5,217 |
| 45 to 54 years | 4,567 |
| 55 to 59 years | 1,897 |
| 60 to 64 years | 1,643 |
| 65 to 74 years | 2,477 |
| 75 to 84 years | 1,415 |
| 85 years and over | 559 |
| Median age (years) | 24.1 |
| Under 18 years | 8,816 |
| 16 years and over | 54,016 |
| 18 years and over | 52,935 |
| 21 years and over | 41,186 |
| 62 years and over | 5,470 |
| 65 years and over | 4,451 |
| Total population | 61,751 |
| One race | 59,703 |
| White | 51,832 |
| Black or African American | 3,712 |
| American Indian and Alaska Native | 90 |
| Asian | 1,505 |
| Native Hawaiian and Other Pacific Islander | 25 |
| Some other race | 2,539 |
| Two or more races | 2,048 |
| Citizen, VOTING AGE 18 and over population | 49,453 |
| Male Citizen, VOTING AGE 18 and over population | 23,675 |
| Female Citizen, VOTING AGE 18 and over population | 25,778 |
Social characteristics in SAN MARCOS, TX
| Total households | 22,775 |
| Family households (families) | 9,648 |
| Married-couple family | 5,825 |
| Male householder, no wife present, family | 1,288 |
| Female householder, no husband present, family | 2,535 |
| Nonfamily households | 13,127 |
| Average household size | 2.43 |
| Average family size | 3.05 |
Economic characteristics in SAN MARCOS, TX
| Total households | 22,775 |
| Less than $10,000 | 3,361 |
| $10,000 to $14,999 | 1,516 |
| $15,000 to $24,999 | 3,138 |
| $25,000 to $34,999 | 2,613 |
| $35,000 to $49,999 | 3,478 |
| $50,000 to $74,999 | 3,918 |
| $75,000 to $99,999 | 2,037 |
| $100,000 to $149,999 | 1,789 |
| $150,000 to $199,999 | 534 |
| $200,000 or more | 391 |
| Median household income (dollars) | 37,593 |
Housing characteristics in SAN MARCOS, TX
| Total housing units | 25,043 |
| Occupied housing units | 22,775 |
| Vacant housing units | 2,268 |
| Total housing units | 25,043 |
| 1-unit, detached | 8,756 |
| 1-unit, attached | 1,109 |
| 2 units | 902 |
| 3 or 4 units | 1,785 |
| 5 to 9 units | 2,924 |
| 10 to 19 units | 4,485 |
| 20 or more units | 4,127 |
| Mobile home | 955 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 25,043 |
| Built 2014 or later | 1,523 |
| Built 2010 to 2013 | 2,670 |
| Built 2000 to 2009 | 6,070 |
| Built 1990 to 1999 | 4,334 |
| Built 1980 to 1989 | 4,185 |
| Built 1970 to 1979 | 2,836 |
| Built 1960 to 1969 | 1,152 |
| Built 1950 to 1959 | 1,057 |
| Built 1940 to 1949 | 464 |
| Built 1939 or earlier | 752 |
| Total housing units | 25,043 |
| 1 room | 850 |
| 2 rooms | 2,346 |
| 3 rooms | 4,535 |
| 4 rooms | 5,786 |
| 5 rooms | 5,323 |
| 6 rooms | 3,293 |
| 7 rooms | 1,464 |
| 8 rooms | 794 |
| 9 rooms or more | 652 |
| Median rooms | 4.3 |
| Total housing units | 25,043 |
| No bedroom | 893 |
| 1 bedroom | 4,153 |
| 2 bedrooms | 8,290 |
| 3 bedrooms | 8,342 |
| 4 bedrooms | 2,972 |
| 5 or more bedrooms | 393 |
| Occupied housing units | 22,775 |
| Owner-occupied | 6,284 |
| Renter-occupied | 16,491 |
| Average household size of owner-occupied unit | 2.55 |
| Average household size of renter-occupied unit | 2.39 |
| Occupied housing units | 22,775 |
| Moved in 2017 or later | 2,999 |
| Moved in 2015 to 2016 | 5,873 |
| Moved in 2010 to 2014 | 8,902 |
| Moved in 2000 to 2009 | 2,874 |
| Moved in 1990 to 1999 | 975 |
| Moved in 1989 and earlier | 1,152 |
| Owner-occupied units | 6,284 |
| Less than $50,000 | 639 |
| $50,000 to $99,999 | 907 |
| $100,000 to $149,999 | 1,185 |
| $150,000 to $199,999 | 1,400 |
| $200,000 to $299,999 | 1,363 |
| $300,000 to $499,999 | 644 |
| $500,000 to $999,999 | 146 |
| $1,000,000 or more | 0 |
| Median (dollars) | 163,500 |
| Owner-occupied units | 6,284 |
| Housing units with a mortgage | 3,759 |
| Housing units without a mortgage | 2,525 |
| Occupied units paying rent | 16,181 |
| Less than $500 | 461 |
| $500 to $999 | 7,628 |
| $1,000 to $1,499 | 5,450 |
| $1,500 to $1,999 | 2,228 |
| $2,000 to $2,499 | 388 |
| $2,500 to $2,999 | 26 |
| $3,000 or more | 0 |
| Median (dollars) | 1,000 |
| No rent paid | 310 |
Data is based on 2018 Census
ZIP Codes for other locations
State for SAN MARCOS
Texas ZIP CodesOther cities in Texas