Skip to content

Sinton, TX ZIP code

The ZIP code for Sinton, Texas is 78387. It is in San Patricio County.

Population in these ZIPs
9,640
Avg. median income
$53,000population-weighted
Typical home value
$161,000population-weighted
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Sinton, TX ZIP code list

Sinton, TX ZIP codes
ZIP codePopulationMedian incomeTypical home value
783879,640$53,048$161,000

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 Sinton

Frequently asked questions

What is the ZIP code for Sinton, TX?

The ZIP code for Sinton, TX is 78387.

What county is Sinton, Texas in?

Sinton ZIP codes are in San Patricio County.