Total Population in Sussex County, DE
ACS 2024 5-Year Estimates
255,626
Rank #282/3,222 · #2 in DE
91th
Sussex 255,626
DE 1,021,191 -75.0%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Sussex County's total population of 255,626 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 Sussex County for total population.
Nearby Rankings
Full ranking →| #279 | Marin County, CA | 257,969 |
| #280 | Yakima County, WA | 257,152 |
| #281 | Washington County, AR | 256,765 |
| #282 | Sussex County, DE | 255,626 |
| #283 | Jefferson County, TX | 253,878 |
| #284 | St. Clair County, IL | 253,694 |
| #285 | Chesapeake city, VA | 252,583 |
About Total Population
Sussex County, Delaware has a total population of 255,626, ranking #282 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Delaware, it ranks #2 of 3. This places it in the 91th 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.