Total Population in Buchanan County, MO
ACS 2024 5-Year Estimates
83,568
Rank #700/3,222 · #14 in MO
78th
Buchanan 83,568
MO 6,191,814 -98.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Buchanan County's total population of 83,568 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Buchanan County for total population.
Nearby Rankings
Full ranking →| #697 | Bullitt County, KY | 84,027 |
| #698 | Midland County, MI | 83,757 |
| #699 | Howard County, IN | 83,752 |
| #700 | Buchanan County, MO | 83,568 |
| #701 | Bartholomew County, IN | 83,536 |
| #702 | Wood County, WV | 83,407 |
| #703 | Orangeburg County, SC | 83,253 |
About Total Population
Buchanan County, Missouri has a total population of 83,568, ranking #700 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Missouri, it ranks #14 of 115. This places it in the 78th percentile nationally.
Total population count from the American Community Survey. 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.