Total Population in Jefferson County, MO
ACS 2024 5-Year Estimates
229,458
Rank #311/3,222 · #7 in MO
90th
Jefferson 229,458
MO 6,191,814 -96.3%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Jefferson County's total population of 229,458 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 Jefferson County for total population.
Nearby Rankings
Full ranking →| #308 | Shelby County, AL | 230,211 |
| #309 | Linn County, IA | 230,004 |
| #310 | Caddo Parish, LA | 230,004 |
| #311 | Jefferson County, MO | 229,458 |
| #312 | Richmond city, VA | 229,359 |
| #313 | Oneida County, NY | 229,124 |
| #314 | Clay County, FL | 227,584 |
About Total Population
Jefferson County, Missouri has a total population of 229,458, ranking #311 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Missouri, it ranks #7 of 115. This places it in the 90th 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.