US ZIP Code
78140

Nixon, TX

Gonzales County  ·  Texas

● Active
👥 3,190 Population ↓ 8% since 2019
💰 $49,032 Median HH Income
▼ 36% below avg ↓ 13% since 2019
🎂 28.4 Median Age ↓ 5% since 2019
🏠 $84,200 Median Home Value
▼ 70% below avg ↑ 8% since 2019
🎓 11.8% College Grads
▼ 70% below avg
📊 3.6% Unemployment
▼ 27% below avg ↑ 12% since 2019
ZIP Code Details
ZIP Code78140
CityNixon
StateTexas (TX)
CountyGonzales County
Area Code830
Elevation350 ft
Latitude29.306802
Longitude-97.763362
TimezoneChicago (DST)
FIPS48177
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.9% (1,561) Female 51.1% (1,629) ♀

Race & Ethnicity

White: 26.7%Hispanic: 69.9%Black: 1.2%Other: 1.8%Race
White26.7%
Hispanic69.9%
Black1.2%
Other1.8%

Age Breakdown

Under 5
16%
5–17
21%
18–24
9%
25–44
27%
45–64
17%
65+
4%

Key Indicators

Median Age28.4 yrs ↓ 5% since 2019
Avg Household Size2.92
Below Poverty11.8% ▲ 18% above avg
College Grads11.8% ▼ 70% below avg
Unemployment3.6% ▼ 27% below avg
No HS Diploma137 (8.8%)
HS Graduate818 (52.6%)
Some College254 (16.3%)
Associates162 (10.4%)
Bachelors109 (7%)
Graduate Degree74 (4.8%)

Education

No HS: 8.8%HS Grad: 52.6%Some College: 16.3%Associates: 10.4%Bachelors: 7%Graduate: 4.8%Edu
No HS8.8%
HS Grad52.6%
Some College16.3%
Associates10.4%
Bachelors7.0%
Graduate4.8%
Housing & Income

Housing Tenure

Owner: 66.9%Renter: 33.2%Tenure
Owner66.9%
Renter33.2%

Home Value Distribution

Under $50k
34%
$50k–100k
27%
$100k–150k
10%
$150k–200k
6%
$200k–300k
16%
$300k–500k
3%
Over $500k
5%

Financials

Median HH Income$49,032 ▼ 36% below avg ↓ 13% since 2019
Median Home Value$84,200 ▼ 70% below avg ↑ 8% since 2019
Home/Income Ratio1.7x (nat avg ~3.5x)
Median Rent$1,011/mo ↑ 24% since 2019
Total Units1,260
Vacant Units171
Avg HH Size2.92

Income Distribution

Under $25k
25%
$25k–50k
23%
$50k–75k
19%
$75k–100k
11%
$100k–150k
15%
$150k–200k
4%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
96%
Walked
4%
Work From Home
0%

Commute Time

Under 15 min
38%
15–30 min
7%
30–45 min
37%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
12%
1960s–1970s
15%
1980s–1990s
10%
2000+
60%

Summary

Total Units1,260
Vacant171
Owner Occupied66.9%
Renter Occupied33.2%
Avg HH Size2.92
Frequently Asked Questions
ZIP code 78140 is in Nixon, TX, in Gonzales County.
ZIP code 78140 is located in Texas (TX).
ZIP code 78140 is in Gonzales County, TX.
ZIP 78140 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 78140 is 3,190 people (ACS 2023).
The median household income in ZIP code 78140 is $49,032 (ACS 2023).
The median home value in ZIP 78140 is $84,200 (ACS 2023).
About ZIP Code 78140

ZIP code 78140 is located in Nixon, Texas, within Gonzales County. With a population of 3,190, this is a sparsely populated ZIP code with a young community — the median age is 28.4 years. Economically, 78140 is a working-class ZIP code: the median household income of $49,032 is below the national average.

Real estate in ZIP code 78140 represents one of the more affordable housing markets in the country. The median home value of $84,200 is well below the national average. Renters can expect to pay around $1,011 per month in median rent. Homeownership is strong here — 66.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 8% since 2019.

The population of 78140 is majority Hispanic (69.94%). Residents are less-educated — 11.8% hold a bachelor's degree or higher, which is well below the national average. Poverty affects some residents at 11.8%. Household income has declined by 13% since 2019.

The unemployment rate in 78140 stands at 3.6%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 87%.

Overall, ZIP code 78140 in Nixon, TX is characterized as working-class, less-educated, a young community, and predominantly owner-occupied. With 3,190 residents, a median household income of $49,032, and a median home value of $84,200, it offers a clear picture of life in this part of Texas.