Median Age in Dubuque County, IA
ACS 2024 5-Year Estimates
How Dubuque County Compares
National Distribution
Where Dubuque County falls among all 3,222 U.S. counties for median age.
■ Dubuque County: 39.1 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,349 | Lake County, IL | 39.1 years |
| #2,350 | Will County, IL | 39.1 years |
| #2,351 | Kosciusko County, IN | 39.1 years |
| #2,352 | Dubuque County, IA | 39.1 years |
| #2,353 | Bourbon County, KS | 39.1 years |
| #2,354 | Stanton County, KS | 39.1 years |
| #2,355 | Stevens County, KS | 39.1 years |
Median Age in Dubuque County, Iowa
Dubuque County, Iowa has a median age of 39.1 years, which ranks #2,352 of 3,222 out of 3,222 counties nationwide. This is 0.5% above the national value of 38.9 years.
Within Iowa, Dubuque County ranks #81 of 99 out of 99 counties. This places it in the 27th 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.