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zipcodes.pro — CITY/TX/KARNES-CITY

Karnes City ZIP code, Texas

The ZIP code for Karnes City, TX is 78118, and its area code is 830.

USPS city name
1 ZIP code
Population
3,605
Area code
830
State
Texas

Karnes City in numbers

About 3,605 people live in Karnes City, in 1,101 households. The median household income is $55,354 a year, 29% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $93,400 (67% below the Texas median), and median gross rent is $661 a month. The median age is 35.4; 9.9% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 19 minutes.

Population3,605Karnes City3,605
Households1,101Karnes City1,101
Median age35.4Karnes City35.4Texas35.6US 38.9
Median household income$55,354Karnes City$55,354Texas$78,476US $80,734
Median home value$93,400Karnes City$93,400Texas$283,800US $332,700
Median gross rent$661Karnes City$661Texas$1,403US $1,413
Bachelor's degree or higher9.9%Karnes City9.9%Texas33.8%US 35.7%
Mean commute18.8 minKarnes City18.8 minTexas26.7 minUS 26.4 min
Population density1,553 / sq miKarnes City1,553 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Karnes City city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Karnes City

ZIP codes with the USPS city name Karnes City
ZIP City Type Population Median income Median home
78118 Karnes City , TX Standard 4,676 $60,711 $103,700

Map of Karnes City ZIP codes

78118

The ZIP codes of Karnes City, TX, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Karnes City

The nearest larger towns are Floresville (8,007 people, 24 mi), Beeville (13,412 people, 34 mi) and Pleasanton (11,011 people, 36 mi).

Towns near Karnes City
TownPopulationDistance
Kenedy 3,430 6.0 mi
Floresville 8,007 24.1 mi

More nearby: every ZIP code in Karnes County · Texas ZIP codes

Cite this page

zipcodes.pro. “Karnes City, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/karnes-city

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