Median Age in Twin Falls County, ID

ACS 2024 5-Year Estimates

Median Age
36.1 years −7.2% vs nat'l
Rank #2,858 of 3,222
11th percentile

How Twin Falls County Compares

Twin Falls County
36.1 years
Idaho Average
36.1 years
Rank #30 of 44 in state
National
38.9 years
7.2% below

National Distribution

Where Twin Falls County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Twin Falls County: 36.1 years

Ranking Context

Rank County Value
#2,855 Pickens County, SC 36.2 years
#2,856 Yuma County, AZ 36.1 years
#2,857 San Benito County, CA 36.1 years
#2,858 Twin Falls County, ID 36.1 years
#2,859 Dallas County, IA 36.1 years
#2,860 Decatur County, IA 36.1 years
#2,861 Woodbury County, IA 36.1 years
View full ranking →

Median Age in Twin Falls County, Idaho

Twin Falls County, Idaho has a median age of 36.1 years, which ranks #2,858 of 3,222 out of 3,222 counties nationwide. This is 7.2% below the national value of 38.9 years.

Within Idaho, Twin Falls County ranks #30 of 44 out of 44 counties. This places it in the 11th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.