Total Population in Cass County, IL
ACS 2024 5-Year Estimates
How Cass County Compares
National Distribution
Where Cass County falls among all 3,222 U.S. counties for total population.
■ Cass County: 12,784
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,295 | Morgan County, UT | 12,802 |
| #2,296 | Camp County, TX | 12,798 |
| #2,297 | Wright County, IA | 12,791 |
| #2,298 | Cass County, IL | 12,784 |
| #2,299 | Rains County, TX | 12,775 |
| #2,300 | Jefferson County, MT | 12,774 |
| #2,301 | Kodiak Island Borough, AK | 12,771 |
Total Population in Cass County, Illinois
Cass County, Illinois has a total population of 12,784, which ranks #2,298 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Illinois, Cass County ranks #81 of 102 out of 102 counties. This places it in the 29th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.