Total Population in Sioux County, IA
ACS 2024 5-Year Estimates
36,212
Rank #1,312/3,222 · #19 in IA
59th
Sioux 36,212
IA 3,210,507 -98.9%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Sioux County's total population of 36,212 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 Sioux County for total population.
Nearby Rankings
Full ranking →| #1,309 | Matagorda County, TX | 36,329 |
| #1,310 | Chippewa County, MI | 36,295 |
| #1,311 | Adams County, IN | 36,227 |
| #1,312 | Sioux County, IA | 36,212 |
| #1,313 | Lincoln County, ME | 36,099 |
| #1,314 | Harris County, GA | 36,086 |
| #1,315 | Marshall County, TN | 36,049 |
About Total Population
Sioux County, Iowa has a total population of 36,212, ranking #1,312 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Iowa, it ranks #19 of 99. This places it in the 59th 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.