Median Age in Yankton County, SD
ACS 2024 5-Year Estimates
42.5 years
Rank #1,357/3,222 · #25 in SD
58th
Yankton 42.5 years
SD 38.0 years +11.8%
US 38.9 years +9.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Yankton County's median age of 42.5 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 Yankton County for median age.
Nearby Rankings
Full ranking →| #1,354 | Lancaster County, SC | 42.5 years |
| #1,355 | Hand County, SD | 42.5 years |
| #1,356 | Marshall County, SD | 42.5 years |
| #1,357 | Yankton County, SD | 42.5 years |
| #1,358 | Claiborne County, TN | 42.5 years |
| #1,359 | Gadsden County, FL | 42.4 years |
| #1,360 | Morgan County, GA | 42.4 years |
About Median Age
Yankton County, South Dakota has a median age of 42.5 years, ranking #1,357 of 3,222 counties nationwide — 9.3% above the national value of 38.9 years. Within South Dakota, it ranks #25 of 66. This places it in the 58th 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.