Mason County, Administrative county in central Illinois, United States
Mason County spans 563 square miles along the Illinois River, containing vast sandy soils formed during the Wisconsin Glacier melting 10,000 years ago.
The county emerged in 1841 from sections of Tazewell and Menard counties, named after George Mason, who advocated for the United States Bill of Rights.
German ancestry forms the predominant heritage in Mason County, followed by American, English, and Irish descendants who shaped local traditions.
The Mason County Courthouse at Havana operates Monday through Friday from 8:00 AM to 4:00 PM, providing administrative services to 13,086 residents.
Sand Ridge State Forest within Mason County covers 7,200 acres, standing as the largest state forest across Illinois.
Location: Illinois
Inception: 1841
Capital city: Havana
Shares border with: Fulton County, Tazewell County, Logan County, Menard County, Cass County, Schuyler County
Website: http://masoncountyil.org
GPS coordinates: 40.24000,-89.91000
Latest update: March 7, 2025 12:01
Lincoln's New Salem
30.2 km
Dickson Mounds
21.4 km
Emiquon National Wildlife Refuge
18.1 km
Sand Ridge State Forest
19.4 km
Chautauqua National Wildlife Refuge
16.9 km
Spring Lake State Fish and Wildlife Area
26.6 km
Banner Marsh State Fish and Wildlife Area
33.7 km
Sanganois State Fish and Wildlife Area
38.8 km
Rice Lake State Fish and Wildlife Area
24.7 km
Rockwell Mound
14.2 km
Ogden-Fettie Site
21 km
Ulysses G. Orendorff House
36.9 km
Havana Water Tower
14.3 km
Canton Lake
36.4 km
Seville Bridge
41.4 km
Starhill Forest Arboretum
35.2 km
North Sangamon United Presbyterian Church
30.7 km
Buckeye Bridge
41.6 km
Havana Public Library
14.2 km
Parlin Library
36.9 km
Bernadotte Bridge
39.3 km
Robert Dilworth House
43.7 km
Scott Wike Lucas Bridge
14.9 km
St. James Episcopal Church
27.1 km
East Waterford School
21.3 km
Daniel O'Connell House
44.3 km
South Fulton Churchhouse
38.1 km
Metal Highway Bridges of Fulton County TR
41.6 kmReviews
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