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Karnes County, TX Demographics

Karnes County, TX is the 142nd most populous of 254 counties in Texas, with 14,710 residents across 748 square miles. That is about 20 people per square mile.

At the 2020 census

Population 14,710
Land area 748 sq mi
Density 20 / sq mi

Data: 2020 Census · American Community Survey 2024

How Karnes County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Karnes County, TX

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Karnes County, TX — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Karnes County, TX

Name Population Sq mi Per sq mi
Census Tract 9702 4,832 140.3 34
Census Tract 9703.02 3,678 66.2 56
Census Tract 9703.01 2,971 120.1 25
Census Tract 9701 1,909 307.8 6
Census Tract 9704 1,320 113.3 12

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →