ZIP code
78155
Seguin, TX
78155 covers Seguin in Guadalupe County, with 53,449 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 78155. Methodology
ZIP code map of 78155
About ZIP code 78155
Acceptable cities: New Berlin
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78155. Not ACS. Methodology
People in 78155
Race
- White31,502
- Black or African American2,426
- American Indian or Alaska Native436
- Asian398
- Native Hawaiian and Pacific Islander51
- Other race7,173
- Two or more races9,786
Hispanic or Latino (any race): 23,197
Age
- Under 106,290
- 10 to 197,235
- 20 to 296,426
- 30 to 396,146
- 40 to 495,912
- 50 to 596,714
- 60 to 696,656
- 70 to 794,299
- 80 and older2,094
Income and housing in 78155
Education
- High school graduate85.1%
- Bachelor's degree22.5%
- Graduate degree7.4%
Places covering 78155
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Guadalupe County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
39.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78155
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 37,586 | |
| 2006 | 37,007 | |
| 2007 | 39,912 | |
| 2008 | 38,171 | |
| 2009 | 38,290 | |
| 2010 | 38,980 | |
| 2011 | 45,329 | 39,361 |
| 2012 | 46,248 | 39,650 |
| 2013 | 46,816 | 40,610 |
| 2014 | 47,193 | 40,840 |
| 2015 | 47,263 | 41,560 |
| 2016 | 46,839 | 42,540 |
| 2017 | 47,469 | 43,410 |
| 2018 | 48,863 | 43,520 |
| 2019 | 48,909 | 44,930 |
| 2020 | 50,832 | 45,830 |
| 2021 | 51,656 | 47,670 |
| 2022 | 52,295 | 50,390 |
| 2023 | 53,449 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78155
12 nearest ZIP centroids (any distance)
- 78123Mc Queeney7.5 miPop 2,271 · Income $95,700
- 78638Kingsbury12.2 miPop 2,064 · Income $82,760
- 78124Marion12.6 miPop 6,907 · Income $82,534
- 78130New Braunfels13.0 miPop 95,787 · Income $84,426
- 78135New Braunfels15.0 miPop — · Income —
- 78122Leesville15.1 miPop 313 · Income $91,776
- 78121La Vernia16.1 miPop 15,001 · Income $126,726
- 78670Staples16.2 miPop 178 · Income $76,591
- 78661Prairie Lea16.4 miPop 658 · Income $47,917
- 78108Cibolo16.9 miPop 48,458 · Income $117,304
- 78152Saint Hedwig17.9 miPop 3,958 · Income $102,212
- 78161Sutherland Springs19.0 miPop 602 · Income $75,966
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78155, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78155 FAQ
- What city is ZIP code 78155 in?
- 78155 is in Seguin, TX.
- What county is 78155 in?
- 78155 is in Guadalupe County.
- What is the median household income in 78155?
- The median household income in 78155 is $71,367.
- Which ZIP codes are near 78155?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78155.