Postal Codes

78140 ZIP Code

Advertisement

English Español

ZIP code 78140 covers Nixon, Texas, with a population of about 3,190 and a median household income of $49,032.

Population
3,19018 per square mile
Median age
28.410.3 points below the US average
Median household income
$49,03236% below the Texas median
Poverty rate
11.8%0.6 points below the US average
Typical home value
$201,747down 19.4% in five years
Median rent
$1,01124% below the Texas median
Degree or higher
4.2%30.8 points below the US average
Homeownership
66.9%1.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
49

Where 78140 is

Nixon, 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

Population3,190
Median age28.4
Family households62.6%
Born outside the US16%
Speaks a language other than English at home43.7%
White (non-Hispanic)26.6%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)0%
Hispanic or Latino69.9%
Veterans5.3%
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$49,032
Income per person$22,966
Poverty rate11.8%
Households on SNAP or cash assistance13.8%

Household income distribution

Under $10k3.2%
$10–15k12.3%
$15–20k2.3%
$20–25k4.5%
$25–30k2.4%
$30–35k7.7%
$35–40k9.3%
$40–45k3.5%
$45–50k7.3%
$50–60k10.2%
$60–75k7.4%
$75–100k10.1%
$100–125k11.6%
$125–150k2.4%
$150–200k3.6%
$200k or more2.2%

Income as declared to the IRS

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

Tax returns filed1,500
Mean adjusted gross income$61,817
Returns declaring $200,000 or more2%
Returns, under $25k31.3%
Returns, $25k–$50k31.3%
Returns, $50k–$75k16.7%
Returns, $75k–$100k8.7%
Returns, $100k–$200k10.0%
Returns, $200k or more2.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$84,200
Median gross rent$1,011
Rent as a share of household income24.8%
Owner-occupied66.9%
Vacant homes13.6%
Median year built1980

What the homes are

Detached house63%
2 to 4 units6.6%
5 to 19 units2.4%
Mobile home28%
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$201,747as of 2026-07
Typical home value, 1 yeardown 6%
Typical home value, 5 yearsdown 19.4%
Typical home value, 10 yearsup 12.7%
Typical home value since 2000
201020182026$285,190$133,222

$137,146 in 2010 to $201,747 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.5%
Bachelor's degree or higher4.2%
High school diploma or higher75.6%
Works from home0.4%
Drives to work alone86.8%
Takes public transport0%
Commutes 45 minutes or more17.5%
Health

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

Obesity40% 6.6 pts above the national average of 33.4%
Diagnosed diabetes16% 4 pts above the national average of 12%
Currently smokes15.5% 2.3 pts above the national average of 13.2%
High blood pressure37.1% 3 pts above the national average of 34.1%
Fair or poor general health29.4% 9.1 pts above the national average of 20.3%
No health insurance (18–64)28.4% 17.1 pts above the national average of 11.3%
Depression21.3% 0.6 pts below the national average of 21.9%
No leisure-time physical activity36.6% 11.2 pts above the national average of 25.4%
Arthritis24.7% same as the national average of 25.1%
Binge drinking15.9% same as the national average of 16%
Taking blood pressure medication76% 1.3 pts above the national average of 74.7%
Cancer (non-skin)6.4% 1.3 pts below the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year73.1% 3.6 pts below the national average of 76.7%
Cholesterol screening83.2% 2.7 pts below the national average of 85.9%
Cognitive disability18.1% 3.3 pts above the national average of 14.8%
Colorectal screening56.4% 7.9 pts below the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist48.2% 13.1 pts below the national average of 61.3%
Any disability38.4% 7.7 pts above the national average of 30.7%
Hearing disability8.2% 1.5 pts above the national average of 6.7%
High cholesterol38% 1.8 pts above the national average of 36.2%
Independent living disability10.2% 1.8 pts above the national average of 8.4%
Mammography use68.1% 7.8 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability18.8% 4.8 pts above the national average of 14%
Poor physical health (14+ days)16.6% 3.1 pts above the national average of 13.5%
Self-care disability5.4% 1.4 pts above the national average of 4%
Sleeps under 7 hours38.5% 2.1 pts above the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost15% 2 pts above the national average of 13%
Vision disability8.5% 2.9 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments49
People employed748
Annual payroll$39,877,000
Advertisement
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 95.2% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 5 census tracts this ZIP code covers
Expected annual loss91.6 out of 100
Community resilience21.4 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.

River flooding98.1Very High at its worst in this ZIP code
Drought97.6Relatively High at its worst in this ZIP code
Hail97.3Very High at its worst in this ZIP code
Lightning92.7Very High at its worst in this ZIP code
Tornado92.6Very High at its worst in this ZIP code
Strong wind91.7Very High at its worst in this ZIP code
Wildfire89.5Relatively Moderate at its worst in this ZIP code
Hurricane87.7Relatively High at its worst in this ZIP code
Cold wave81.7Relatively High at its worst in this ZIP code
Heat wave79.2Relatively High at its worst in this ZIP code
Winter weather77.8Relatively High at its worst in this ZIP code
Landslide61.5Very Low at its worst in this ZIP code
Ice storm43.3Relatively Low at its worst in this ZIP code
Earthquake14.6Very 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$49,032$76,292$78,538
Income per person$22,966$39,446$43,289
Poverty rate11.8%13.8%12.4%
Median home value$84,200$260,400$303,400
Median gross rent$1,011$1,339$1,348
Homeownership66.9%62.6%65%
Bachelor's degree or higher4.2%33.1%35%
Unemployment rate3.5%5.1%5.2%
Works from home0.4%12.8%13.5%
Born outside the US16%17.2%13.9%
Median age28.435.538.7
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 stationNIXON, TX US2.5 km away
Rain in a year34 in
Snow in a year0 in

Average high and low by month

January64.6°F / 38.3°F2.11 in rain
February68.1°F / 42.5°F2.21 in rain
March74.2°F / 49.3°F2.7 in rain
April81°F / 55.7°F3.08 in rain
May87.2°F / 64.5°F4.36 in rain
June93.1°F / 70.2°F3.6 in rain
July95.3°F / 72°F2.45 in rain
August97.4°F / 71.6°F3.14 in rain
September91.4°F / 66.5°F2.98 in rain
October83.8°F / 57.1°F3.16 in rain
November73.6°F / 47.7°F2.19 in rain
December65.9°F / 40.8°F2.41 in rain, 0.1 in snow
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 4 school districts, so the address decides which one, not the ZIP code.

Nixon-Smiley Consolidated Independent School District86.1% of this ZIP code's land area
Stockdale Independent School District11.4% of this ZIP code's land area
Karnes City Independent School District1.4% of this ZIP code's land area
Seguin Independent School District1.1% 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 vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status55more vulnerable than 55% of US census tracts
Household characteristics75more vulnerable than 75% of US census tracts
Racial and ethnic minority status72more vulnerable than 72% of US census tracts
Housing type and transport62more vulnerable than 62% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

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

78143 Pandora, TX9.4 km away
78122 Leesville, TX10.5 km away
78159 Smiley, TX13.3 km away
78160 Stockdale, TX19.3 km away
78677 Wrightsboro, TX19.9 km away
78150 Jbsa Randolph, TX21.5 km away
78614 Cost, TX24.2 km away
78604 Belmont, TX25.5 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.

Gonzales County67.6% of this ZIP code's land area
Wilson County27.2% of this ZIP code's land area
Guadalupe County3.3% of this ZIP code's land area
Karnes County1.9% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area175.04 sq mi
Water area0.74 sq mi
Population density18 people per sq mi
Latitude, longitude29.3016, -97.7529

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.

Advertisement