Karnes County Population

1860–2026

15,016

2026 projection

1.4% since 2020 (increase)

05K10K15K20K25K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Karnes County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,016-20.01%
202515,018-20.01%
202415,020+550.37%
202314,965-240.16%
202214,989+1891.28%
202114,800-110.07%
202014,811-5453.55%
201915,356-3592.28%
201815,715+1250.80%
201715,590+770.50%

Showing 10 of 31 years.

Karnes County Demographics

38.1median age

Median age

Female40.1 yrs
Male37.7 yrs

Adults

12,060
2,268 seniors (65+) · 19% of adults9,792 other adults

Sex

Female 41.3% · 6,176Male 58.7% · 8,792

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 150 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Karnes County Income

$60,214median household income

Median household income

$60,214

Half of households earn more, half earn less

Median earnings

$43,937

Typical yearly pay for a worker 25 or older.

Poverty rate

19.1%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Karnes County Marital Status

37% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married37%29%49%
Never married42%51%27%
Divorced10%11%9%
Widowed7%4%13%
Separated4%4%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201