Median Age in Idaho County, ID
ACS 2024 5-Year Estimates
49.4 years
Rank #257/3,222 · #6 in ID
92th
Idaho 49.4 years
ID 37.3 years +32.4%
US 38.9 years +27.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Idaho County's median age of 49.4 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 Idaho County for median age.
Nearby Rankings
Full ranking →| #254 | Grant County, NM | 49.5 years |
| #255 | Pocahontas County, WV | 49.5 years |
| #256 | Patillas Municipio, PR | 49.5 years |
| #257 | Idaho County, ID | 49.4 years |
| #258 | Lake County, MN | 49.4 years |
| #259 | Rock County, NE | 49.4 years |
| #260 | Pike County, PA | 49.4 years |
About Median Age
Idaho County, Idaho has a median age of 49.4 years, ranking #257 of 3,222 counties nationwide — 27.0% above the national value of 38.9 years. Within Idaho, it ranks #6 of 44. This places it in the 92th 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.