Median Age in Lewis County, ID
ACS 2024 5-Year Estimates
49.0 years
Rank #284/3,222 · #7 in ID
91th
Lewis 49.0 years
ID 37.3 years +31.4%
US 38.9 years +26.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Lewis County's median age of 49.0 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 Lewis County for median age.
Nearby Rankings
Full ranking →| #281 | Lafayette County, AR | 49.0 years |
| #282 | Lee County, FL | 49.0 years |
| #283 | Pinellas County, FL | 49.0 years |
| #284 | Lewis County, ID | 49.0 years |
| #285 | Hancock County, ME | 49.0 years |
| #286 | Clare County, MI | 49.0 years |
| #287 | Franklin County, NE | 49.0 years |
About Median Age
Lewis County, Idaho has a median age of 49.0 years, ranking #284 of 3,222 counties nationwide — 26.0% above the national value of 38.9 years. Within Idaho, it ranks #7 of 44. This places it in the 91th 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.