Median Age in Clark County, ID
ACS 2024 5-Year Estimates
31.1 years
Rank #3,157/3,222 · #42 in ID
2th
Clark 31.1 years
ID 37.3 years -16.6%
US 38.9 years -20.1%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Clark County's median age of 31.1 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Clark County for median age.
Nearby Rankings
Full ranking →| #3,154 | Waller County, TX | 31.3 years |
| #3,155 | Monroe County, IN | 31.2 years |
| #3,156 | Moore County, TX | 31.2 years |
| #3,157 | Clark County, ID | 31.1 years |
| #3,158 | Johnson County, IA | 31.0 years |
| #3,159 | Seward County, KS | 31.0 years |
| #3,160 | Roosevelt County, MT | 30.9 years |
About Median Age
Clark County, Idaho has a median age of 31.1 years, ranking #3,157 of 3,222 counties nationwide — 20.1% below the national value of 38.9 years. Within Idaho, it ranks #42 of 44. This places it in the 2th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.