78155 vs 78121 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 78155, Orange = ZIP 78121.
Quick verdict: ZIP 78155 is more diverse. ZIP 78121 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 78155
Seguin city, TX
View full profile →- Population53,449
- Median Income$71,367
- Median Home Value$246k
- Median Rent$893
- Median Age39.4 yrs
- Poverty Rate17.0%
ZIP 78121
La Vernia city, TX
View full profile →- Population15,001
- Median Income$126,726
- Median Home Value$360k
- Median Rent$891
- Median Age39.4 yrs
- Poverty Rate5.8%
Visual comparison (same scale)
Population
53,44915,001
Median Income
$71,367$126,726
Median Home Value
$246k$360k
Median Rent
$893$891
Median Age
39.4 yrs39.4 yrs
Poverty Rate
17.0%5.8%
Demographics
ZIP 78155
Seguin city, TX
View full profile →- White %57.8%
- Black %4.9%
- Asian %0.7%
- Hispanic %48.7%
- Age 0–17 %21.4%
- Age 18–64 %61.0%
- Age 65+ %17.7%
- Bachelor's+ %22.5%
- Diversity Index43/100
ZIP 78121
La Vernia city, TX
View full profile →- White %79.2%
- Black %2.0%
- Asian %0.4%
- Hispanic %23.1%
- Age 0–17 %25.3%
- Age 18–64 %61.9%
- Age 65+ %12.8%
- Bachelor's+ %32.7%
- Diversity Index32/100
Visual comparison (same scale)
White %
57.8%79.2%
Black %
4.9%2.0%
Asian %
0.7%0.4%
Hispanic %
48.7%23.1%
Age 0–17 %
21.4%25.3%
Age 18–64 %
61.0%61.9%
Age 65+ %
17.7%12.8%
Bachelor's+ %
22.5%32.7%
Diversity Index
43/10032/100
Economy
ZIP 78155
Seguin city, TX
View full profile →- Median Income$71,367
- Unemployment %3.4%
- IRS Net Migration+2,521
- Work From Home %8.5%
ZIP 78121
La Vernia city, TX
View full profile →- Median Income$126,726
- Unemployment %3.2%
- IRS Net Migration+708
- Work From Home %14.9%
Visual comparison (same scale)
Median Income
$71,367$126,726
Unemployment %
3.4%3.2%
IRS Net Migration
+2,521+708
Work From Home %
8.5%14.9%
Housing
ZIP 78155
Seguin city, TX
View full profile →- Median Home Value$246k
- Median Rent$893
- Owner Occupied %73.1%
- Broadband %87.9%
- Vacant %7.9%
- Median Year Built1989
ZIP 78121
La Vernia city, TX
View full profile →- Median Home Value$360k
- Median Rent$891
- Owner Occupied %89.3%
- Broadband %93.0%
- Vacant %4.3%
- Median Year Built2002
Visual comparison (same scale)
Median Home Value
$246k$360k
Median Rent
$893$891
Owner Occupied %
73.1%89.3%
Broadband %
87.9%93.0%
Vacant %
7.9%4.3%
Median Year Built
19892002
Climate & Location
ZIP 78155
Seguin city, TX
View full profile →- Snow Days/Year0 days
- Elevation (ft)633 ft
- Nearest Airport20.5 miles (33.0 km)
- Distance to Coast79.5 miles (127.9 km)
ZIP 78121
La Vernia city, TX
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport16.1 miles (26.0 km)
- Distance to Coast79.0 miles (127.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
633 ft400 ft
Nearest Airport
20.5 miles (33.0 km)16.1 miles (26.0 km)
Distance to Coast
79.5 miles (127.9 km)79.0 miles (127.1 km)
Infrastructure
ZIP 78155
Seguin city, TX
View full profile →- Work From Home %8.5%
- Walkability (0–100)37
- Broadband %87.9%
ZIP 78121
La Vernia city, TX
View full profile →- Work From Home %14.9%
- Walkability (0–100)20
- Broadband %93.0%
Visual comparison (same scale)
Work From Home %
8.5%14.9%
Walkability (0–100)
3720
Broadband %
87.9%93.0%
Frequently Asked Questions
How do ZIP 78155 and 78121 compare?
ZIP 78155 is more diverse. ZIP 78121 is wealthier, higher home values, more affordable rent, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (78155), orange the second (78121). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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