ZIP code 78140: Nixon, TX
78140 is a ZIP code in Nixon, Texas, mainly in Gonzales County. About 3,474 people live here.
- Population
- 3,474
- Median household income
- $50,250
- Typical home value
- $199,800-4% in 12 months
- Median rent
- $845gross, per month
- Median age
- 36.2
- Homeowners
- 73.5%of occupied homes
Shaded: ZIP code 78140's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 78140 details
| City | Nixon |
|---|---|
| State | Texas |
| County | Gonzales County (also partly Wilson County, Guadalupe County, Karnes County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 175 sq mi, plus 0.7 sq mi of water |
| Population density | 20 people per sq mi |
| Bachelor's degree or higher | 6.2% of adults 25+ |
| Average commute | 26.4 minutes |
| Center coordinates | 29.30680, -97.76336 |
Median rent in 78140 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $1,053/mo |
| 4 bedrooms | $1,006/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 78140
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 78143 | Pandora, TX | 6.3 mi | 0 |
| 78160 | Stockdale, TX | 9.8 mi | 4,885 |
| 78677 | Wrightsboro, TX | 10.8 mi | 44 |
| 78122 | Leesville, TX | 10.9 mi | 338 |
| 78159 | Smiley, TX | 12.1 mi | 623 |
| 78614 | Cost, TX | 12.8 mi | 262 |
| 78116 | Gillett, TX | 14.2 mi | 226 |
| 78604 | Belmont, TX | 15.7 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 78140?
A typical home in ZIP code 78140 is worth about $199,800 (Zillow Home Value Index). The median household here earns $50,250 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.
Monthly payment for a $199,800 homeWhat can a $50,250 income afford?Rental property numbers
About ZIP code 78140
What city is ZIP code 78140?
ZIP code 78140 is in Nixon, TX, in Gonzales County.
What county is ZIP code 78140 in?
78140 is mainly in Gonzales County, Texas, and partly in Wilson County, Guadalupe County and Karnes County.
What is the population of ZIP code 78140?
About 3,474 people live in ZIP code 78140, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 78140 in?
78140 is in Central Time (UTC−6). It observes daylight saving time.