Median Age in Dauphin County, PA
ACS 2024 5-Year Estimates
How Dauphin County Compares
National Distribution
Where Dauphin County falls among all 3,222 U.S. counties for median age.
■ Dauphin County: 39.4 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,295 | Valencia County, NM | 39.4 years |
| #2,296 | Knox County, OH | 39.4 years |
| #2,297 | Mercer County, OH | 39.4 years |
| #2,298 | Dauphin County, PA | 39.4 years |
| #2,299 | Lancaster County, PA | 39.4 years |
| #2,300 | Florence County, SC | 39.4 years |
| #2,301 | Hardin County, TX | 39.4 years |
Median Age in Dauphin County, Pennsylvania
Dauphin County, Pennsylvania has a median age of 39.4 years, which ranks #2,298 of 3,222 out of 3,222 counties nationwide. This is 1.3% above the national value of 38.9 years.
Within Pennsylvania, Dauphin County ranks #63 of 67 out of 67 counties. This places it in the 29th 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.