Nixon, TX ZIP code

The ZIP code for Nixon, Texas is 78140. It is in Gonzales County.

78140

Population in these ZIPs: 3,474
Avg. median income: $50,300population-weighted
Typical home value: $199,800population-weighted

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Nixon, TX ZIP code list

Nixon, TX ZIP codes
ZIP code	Population	Median income	Typical home value
78140	3,474	$50,250	$199,800

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

Cities near Nixon

Stockdale 10 mi
Wrightsboro 11 mi
Leesville 11 mi
Smiley 12 mi
Cost 13 mi
Gillett 14 mi
Sutherland Springs 17 mi
Westhoff 20 mi
La Vernia 20 mi
Ottine 22 mi
Seguin 22 mi
Gonzales 22 mi

Frequently asked questions

What is the ZIP code for Nixon, TX?

The ZIP code for Nixon, TX is 78140.

What county is Nixon, Texas in?

Nixon ZIP codes are in Gonzales County.