Total Population in Delaware County, OH
ACS 2024 5-Year Estimates
226,834
Rank #315/3,222 · #12 in OH
90th
Delaware 226,834
OH 12M -98.1%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Delaware County's total population of 226,834 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 Delaware County for total population.
Nearby Rankings
Full ranking →| #312 | Richmond city, VA | 229,359 |
| #313 | Oneida County, NY | 229,124 |
| #314 | Clay County, FL | 227,584 |
| #315 | Delaware County, OH | 226,834 |
| #316 | Montgomery County, AL | 226,718 |
| #317 | Mahoning County, OH | 226,491 |
| #318 | Doña Ana County, NM | 224,266 |
About Total Population
Delaware County, Ohio has a total population of 226,834, ranking #315 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Ohio, it ranks #12 of 88. 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.