Median Age in Buchanan County, MO
ACS 2024 5-Year Estimates
38.9 years
Rank #2,403/3,222 · #91 in MO
25th
Buchanan 38.9 years
MO 39.0 years -0.3%
US 38.9 years 0.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Buchanan County's median age of 38.9 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 Buchanan County for median age.
Nearby Rankings
Full ranking →| #2,400 | Payette County, ID | 38.9 years |
| #2,401 | Charles County, MD | 38.9 years |
| #2,402 | Middlesex County, MA | 38.9 years |
| #2,403 | Buchanan County, MO | 38.9 years |
| #2,404 | Carter County, MO | 38.9 years |
| #2,405 | New York County, NY | 38.9 years |
| #2,406 | Alamance County, NC | 38.9 years |
About Median Age
Buchanan County, Missouri has a median age of 38.9 years, ranking #2,403 of 3,222 counties nationwide — 0.0% below the national value of 38.9 years. Within Missouri, it ranks #91 of 115. This places it in the 25th 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.