Total Population in Sullivan County, IN
ACS 2024 5-Year Estimates
How Sullivan County Compares
National Distribution
Where Sullivan County falls among all 3,222 U.S. counties for total population.
■ Sullivan County: 20,780
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,832 | Union Parish, LA | 20,821 |
| #1,833 | Letcher County, KY | 20,808 |
| #1,834 | Adams County, WA | 20,800 |
| #1,835 | Sullivan County, IN | 20,780 |
| #1,836 | Nodaway County, MO | 20,774 |
| #1,837 | Texas County, OK | 20,774 |
| #1,838 | Buena Vista County, IA | 20,753 |
Total Population in Sullivan County, Indiana
Sullivan County, Indiana has a total population of 20,780, which ranks #1,835 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Indiana, Sullivan County ranks #69 of 92 out of 92 counties. This places it in the 43th 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.