Total Population in St. Clair County, MO
ACS 2024 5-Year Estimates
9,587
Rank #2,519/3,222 · #88 in MO
22th
St. Clair 9,587
MO 6,191,814 -99.8%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How St. Clair County's total population of 9,587 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 St. Clair County for total population.
Nearby Rankings
Full ranking →| #2,516 | Montgomery County, MS | 9,602 |
| #2,517 | Deer Lodge County, MT | 9,597 |
| #2,518 | Humboldt County, IA | 9,591 |
| #2,519 | St. Clair County, MO | 9,587 |
| #2,520 | Wilkes County, GA | 9,549 |
| #2,521 | Cheyenne County, NE | 9,533 |
| #2,522 | Latimer County, OK | 9,518 |
About Total Population
St. Clair County, Missouri has a total population of 9,587, ranking #2,519 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Missouri, it ranks #88 of 115. This places it in the 22th 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.