Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Karnes City, TX

Need a ZIP Code for Karnes City, TX? Please enter an address.

Counties:KARNES, TX
Area Code(s):830
Timezone(s):Central (GMT -06:00)
City Population:3,042 (More Details)
Congressional District(s):15
Land Area:748 square miles (county)
Water Area:6 square miles (county)

1 ZIP Code

Karnes City, TX ZIP Code Boundaries

Download ZIP Code Database

Karnes City, TX Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
78118Standard3,976100.00%COY CITY

Karnes City, TX Demographic Information *

Total population**3,042
Male population1,608
Female population1,434
Median age (years)35.7
White Population2,157
Black Population116
Indian Population19
Asian Population1
Hawaiian Population0
Hispanic Population1,985
Median age (Male)34.1
Median age (Female)38.3
Total households968
Family households (families)653
Average household size2.71
Average family size3.36
Total housing units1,123
* Demographic data is based on 2010 Census for the City of KARNES CITY.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],