Median Age in Fall River County, SD
ACS 2024 5-Year Estimates
55.3 years
Rank #55/3,222 · #2 in SD
98th
Fall River 55.3 years
SD 38.0 years +45.5%
US 38.9 years +42.2%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Fall River County's median age of 55.3 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 Fall River County for median age.
Nearby Rankings
Full ranking →| #52 | Barnstable County, MA | 55.4 years |
| #53 | Huerfano County, CO | 55.3 years |
| #54 | Indian River County, FL | 55.3 years |
| #55 | Fall River County, SD | 55.3 years |
| #56 | Florence County, WI | 55.3 years |
| #57 | Hickory County, MO | 55.2 years |
| #58 | Yavapai County, AZ | 55.1 years |
About Median Age
Fall River County, South Dakota has a median age of 55.3 years, ranking #55 of 3,222 counties nationwide — 42.2% above the national value of 38.9 years. Within South Dakota, it ranks #2 of 66. This places it in the 98th 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.