Postal Codes

78121 ZIP Code

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ZIP code 78121 covers La Vernia, Texas, with a population of about 15,001 and a median household income of $126,726.

Population
15,001146 per square mile
Median age
39.40.7 points above the US average
Median household income
$126,7261.7× the Texas median
Poverty rate
5.8%6.6 points below the US average
Typical home value
$507,849up 20.6% in five years
Median rent
$1,08619% below the Texas median
Degree or higher
32.7%2.3 points below the US average
Homeownership
89.3%24.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
263

Where 78121 is

La Vernia, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population15,001
Median age39.4
Family households84.9%
Born outside the US5.7%
Speaks a language other than English at home13.9%
White (non-Hispanic)70.3%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)0.4%
Hispanic or Latino23.1%
Veterans15.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$126,726
Income per person$49,047
Poverty rate5.8%
Households on SNAP or cash assistance6.5%

Household income distribution

Under $10k2.0%
$10–15k1.9%
$15–20k1.5%
$20–25k1.0%
$25–30k0.7%
$30–35k1.8%
$35–40k2.1%
$40–45k1.9%
$45–50k2.8%
$50–60k4.0%
$60–75k8.4%
$75–100k11.1%
$100–125k10.6%
$125–150k13.8%
$150–200k16.1%
$200k or more20.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,470
Mean adjusted gross income$104,252
Returns declaring $200,000 or more11.4%
Returns, under $25k22.5%
Returns, $25k–$50k17.3%
Returns, $50k–$75k13.1%
Returns, $75k–$100k9.6%
Returns, $100k–$200k26.1%
Returns, $200k or more11.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$359,900
Median gross rent$1,086
Rent as a share of household income26.4%
Owner-occupied89.3%
Vacant homes4.3%
Median year built2002

What the homes are

Detached house69.6%
Attached house0.4%
2 to 4 units1.6%
5 to 19 units1.6%
20 or more units0.2%
Mobile home25.6%
Boat, RV or van1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$507,849as of 2026-07
Typical home value, 1 yeardown 0.4%
Typical home value, 5 yearsup 20.6%
Typical home value, 10 yearsup 68.7%
Typical home value since 2000
200920172026$509,931$226,204

$229,186 in 2009 to $507,849 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.2%
Bachelor's degree or higher32.7%
High school diploma or higher94.6%
Works from home14.9%
Drives to work alone78.6%
Takes public transport0%
Commutes 45 minutes or more41.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.9% 0.5 pts above the national average of 33.4%
Diagnosed diabetes11.3% 0.7 pts below the national average of 12%
Currently smokes12.4% 0.8 pts below the national average of 13.2%
High blood pressure32.7% 1.4 pts below the national average of 34.1%
Fair or poor general health18.2% 2.1 pts below the national average of 20.3%
No health insurance (18–64)12.3% 1 pts above the national average of 11.3%
Depression22.6% 0.7 pts above the national average of 21.9%
No leisure-time physical activity22.8% 2.6 pts below the national average of 25.4%
Arthritis24.8% same as the national average of 25.1%
Binge drinking19.3% 3.3 pts above the national average of 16%
Taking blood pressure medication76% 1.3 pts above the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year75.6% 1.1 pts below the national average of 76.7%
Cholesterol screening87.5% 1.6 pts above the national average of 85.9%
Cognitive disability13.3% 1.5 pts below the national average of 14.8%
Colorectal screening63.3% 1 pts below the national average of 64.3%
COPD5.9% 0.7 pts below the national average of 6.6%
Visited a dentist60.3% 1 pts below the national average of 61.3%
Any disability28.5% 2.2 pts below the national average of 30.7%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol36.9% 0.7 pts above the national average of 36.2%
Independent living disability7% 1.4 pts below the national average of 8.4%
Mammography use73.9% 2 pts below the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability12.6% 1.4 pts below the national average of 14%
Poor physical health (14+ days)12.6% 0.9 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Sleeps under 7 hours37.4% 1 pts above the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost8.9% 4.1 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments263
People employed1,925
Annual payroll$68,199,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 79.5% of US census tracts
FEMA ratingVery Low to Relatively High across the 7 census tracts this ZIP code covers
Expected annual loss77.7 out of 100
Community resilience39.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hail93Relatively High at its worst in this ZIP code
Drought90Relatively Moderate at its worst in this ZIP code
Wildfire88.1Relatively Moderate at its worst in this ZIP code
River flooding87.6Very High at its worst in this ZIP code
Lightning87.4Relatively High at its worst in this ZIP code
Tornado87.2Relatively High at its worst in this ZIP code
Heat wave78.9Relatively Moderate at its worst in this ZIP code
Strong wind75.8Relatively Moderate at its worst in this ZIP code
Winter weather75.2Relatively High at its worst in this ZIP code
Cold wave58.7Relatively Moderate at its worst in this ZIP code
Hurricane56.8Relatively Low at its worst in this ZIP code
Landslide54.9Very Low at its worst in this ZIP code
Ice storm38.4Relatively Low at its worst in this ZIP code
Earthquake7.2Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$126,726$76,292$78,538
Income per person$49,047$39,446$43,289
Poverty rate5.8%13.8%12.4%
Median home value$359,900$260,400$303,400
Median gross rent$1,086$1,339$1,348
Homeownership89.3%62.6%65%
Bachelor's degree or higher32.7%33.1%35%
Unemployment rate3.2%5.1%5.2%
Works from home14.9%12.8%13.5%
Born outside the US5.7%17.2%13.9%
Median age39.435.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationFLORESVILLE, TX US24.7 km away
Rain in a year32 in

Average high and low by month

January64.8°F / 39°F1.64 in rain
February69°F / 42.8°F1.61 in rain
March75.9°F / 50.5°F2.28 in rain
April82°F / 56.4°F2.41 in rain
May88°F / 65.9°F4.38 in rain
June93.5°F / 71.4°F2.95 in rain
July96.1°F / 73.6°F2.32 in rain
August97.6°F / 73°F2.66 in rain
September91.8°F / 67.8°F4.06 in rain
October84.4°F / 58°F3.16 in rain
November73.8°F / 48.1°F2.32 in rain
December66.1°F / 40.9°F1.84 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

La Vernia Independent School District89.4% of this ZIP code's land area
Floresville Independent School District10.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics48more vulnerable than 48% of US census tracts
Racial and ethnic minority status48more vulnerable than 48% of US census tracts
Housing type and transport48more vulnerable than 48% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78161 Sutherland Springs, TX9.2 km away
78152 Saint Hedwig, TX12.3 km away
78101 Adkins, TX15.1 km away
78150 Jbsa Randolph, TX15.3 km away
78263 San Antonio, TX19.8 km away
78114 Floresville, TX21.7 km away
78160 Stockdale, TX21.7 km away
78115 Geronimo, TX22.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Wilson County75.2% of this ZIP code's land area
Guadalupe County24.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area102.62 sq mi
Water area0.32 sq mi
Population density146 people per sq mi
Latitude, longitude29.3509, -98.1130

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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