Sullivan County
- Population
- 5,857
- Area
- 647.98 sq mi (1,678.27 km²), 3.52 sq mi water
- Median age
- 44.1
- Households
- 2,040
- Persons per household
- 2.8
- Median household income
- $56,964
- Median house value
- $115,600
Demographics: 2020–2024 ACS
This Afternoon
85°F
Sunny1% precip
Tonight
72°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms20% precip
Tuesday
81°F
Chance Showers And Thunderstorms48% precip
Tuesday Night
63°F
Chance Showers And Thunderstorms then Showers And Thunderstorms90% precip
Cities & Towns in Sullivan County
Local News
Mason County Democrat
Published September 10
Floyd “JR” Williams
Floyd “JR” Williams was called home on September 4, 2026. He was born on December 31,1940 to Clare and Virginia (Skillman) Williams in Milan, Missouri. He married Beverly Griffin on April 23,1960. In the union of 66 wonderful years, they were blessed with three children:…