Median Age in Cobb County, GA
ACS 2024 5-Year Estimates
37.5 years
Rank #2,669/3,222 · #119 in GA
17th
Cobb 37.5 years
GA 37.6 years -0.3%
US 38.9 years -3.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Cobb County's median age of 37.5 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 Cobb County for median age.
Nearby Rankings
Full ranking →| #2,666 | Gunnison County, CO | 37.5 years |
| #2,667 | Morgan County, CO | 37.5 years |
| #2,668 | San Juan County, CO | 37.5 years |
| #2,669 | Cobb County, GA | 37.5 years |
| #2,670 | Cook County, GA | 37.5 years |
| #2,671 | Coles County, IL | 37.5 years |
| #2,672 | Bartholomew County, IN | 37.5 years |
About Median Age
Cobb County, Georgia has a median age of 37.5 years, ranking #2,669 of 3,222 counties nationwide — 3.6% below the national value of 38.9 years. Within Georgia, it ranks #119 of 159. This places it in the 17th 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.