Total Population in Buchanan County, IA
ACS 2024 5-Year Estimates
How Buchanan County Compares
National Distribution
Where Buchanan County falls among all 3,222 U.S. counties for total population.
■ Buchanan County: 20,694
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,837 | Texas County, OK | 20,774 |
| #1,838 | Buena Vista County, IA | 20,753 |
| #1,839 | Shelby County, IL | 20,720 |
| #1,840 | Buchanan County, IA | 20,694 |
| #1,841 | Kewaunee County, WI | 20,664 |
| #1,842 | Uinta County, WY | 20,644 |
| #1,843 | Perry County, IL | 20,639 |
Total Population in Buchanan County, Iowa
Buchanan County, Iowa has a total population of 20,694, which ranks #1,840 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Iowa, Buchanan County ranks #31 of 99 out of 99 counties. This places it in the 43th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.