Total Population in Dewey County, SD
ACS 2024 5-Year Estimates
5,205
Rank #2,882/3,222 · #36 in SD
11th
Dewey 5,205
SD 907,428 -99.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Dewey County's total population of 5,205 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 Dewey County for total population.
Nearby Rankings
Full ranking →| #2,879 | Floyd County, TX | 5,216 |
| #2,880 | Hartley County, TX | 5,215 |
| #2,881 | McHenry County, ND | 5,207 |
| #2,882 | Dewey County, SD | 5,205 |
| #2,883 | Yukon-Koyukuk Census Area, AK | 5,195 |
| #2,884 | Atchison County, MO | 5,187 |
| #2,885 | Warren County, GA | 5,170 |
About Total Population
Dewey County, South Dakota has a total population of 5,205, ranking #2,882 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within South Dakota, it ranks #36 of 66. This places it in the 11th 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.