Total Population in Monroe County, IL
ACS 2024 5-Year Estimates
35,036
Rank #1,338/3,222 · #40 in IL
58th
Monroe 35,036
IL 13M -99.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Monroe County's total population of 35,036 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 Monroe County for total population.
Nearby Rankings
Full ranking →| #1,335 | Becker County, MN | 35,343 |
| #1,336 | Guayama Municipio, PR | 35,298 |
| #1,337 | Floyd County, KY | 35,224 |
| #1,338 | Monroe County, IL | 35,036 |
| #1,339 | Barry County, MO | 35,033 |
| #1,340 | Pickens County, GA | 34,951 |
| #1,341 | Las Piedras Municipio, PR | 34,951 |
About Total Population
Monroe County, Illinois has a total population of 35,036, ranking #1,338 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Illinois, it ranks #40 of 102. This places it in the 58th 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.