Total Population in Johnson County, IL
ACS 2024 5-Year Estimates
13,376
Rank #2,264/3,222 · #79 in IL
30th
Johnson 13,376
IL 13M -99.9%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Johnson County's total population of 13,376 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 Johnson County for total population.
Nearby Rankings
Full ranking →| #2,261 | Osage County, MO | 13,402 |
| #2,262 | Buffalo County, WI | 13,393 |
| #2,263 | Hughes County, OK | 13,389 |
| #2,264 | Johnson County, IL | 13,376 |
| #2,265 | Crawford County, MI | 13,369 |
| #2,266 | Meigs County, TN | 13,343 |
| #2,267 | Jackson County, KS | 13,341 |
About Total Population
Johnson County, Illinois has a total population of 13,376, ranking #2,264 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Illinois, it ranks #79 of 102. This places it in the 30th 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.