Dewey County
- Population
- 4,360
- Area
- 999.63 sq mi (2,589.02 km²), 8.75 sq mi water
- Median age
- 38.5
- Households
- 1,631
- Persons per household
- 2.6
- Median household income
- $62,569
- Median house value
- $133,600
Demographics: 2020–2024 ACS
Today
100°F
Sunny1% precip
Tonight
77°F
Mostly Clear
Tuesday
99°F
Sunny14% precip
Tuesday Night
74°F
Chance Showers And Thunderstorms35% precip