Sullivan, Illinois

Sullivan, Illinois
City
South side of courthouse square in Sullivan
Motto:  "More Than Just a Small Town”
Location in Moultrie County, Illinois
Sullivan Location in the United States
Coordinates: 39°35′42″N 88°36′30″W / 39.59500°N 88.60833°W / 39.59500; -88.60833[1]
Country	United States
State	Illinois
County	Moultrie
Township	Sullivan
Founded	March 7, 1845
Named for	Sullivan's Island, Charleston Harbor, South Carolina
Government
• Mayor	Mike Mossman
Area [2]
• Total	2.78 sq mi (7.19 km2)
• Land	2.77 sq mi (7.17 km2)
• Water	0.01 sq mi (0.02 km2)
Elevation [1]	676 ft (206 m)
Population  (2020)[3]
• Total	4,413
• Density	1,593.72/sq mi (615.44/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
ZIP code	61951
Area code	217
FIPS code	17-73495
GNIS ID	2395997[1]
Wikimedia Commons	Sullivan, Illinois
Website	sullivanil.us

Sullivan is a city in Moultrie County, Illinois, United States. The population was 4,413 at the time of the 2020 census.^[3] It is the county seat and largest city of Moultrie County.^[4] Sullivan is named after Sullivan's Island, South Carolina, where Fort Moultrie is located.^[5]