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Karnes City, TX ZIP code

The ZIP code for Karnes City, Texas is 78118. It is in Karnes County.

Population in these ZIPs
4,676
Avg. median income
$60,700population-weighted
Typical home value
$193,200population-weighted
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ZIP codes within 10 miles

Karnes City, TX ZIP code list

Karnes City, TX ZIP codes
ZIP codePopulationMedian incomeTypical home value
781184,676$60,711$193,200

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 Karnes City

Frequently asked questions

What is the ZIP code for Karnes City, TX?

The ZIP code for Karnes City, TX is 78118.

What county is Karnes City, Texas in?

Karnes City ZIP codes are in Karnes County.