Find schools and get information on the program that’s right for you.
Powered by Campus Explorer
Logan County is a county located in the state of Illinois. According to the 2010 census, it had a
population of 30,305. Logan County was
created on February 15, 1839. The county
seat is Lincoln. The county is named
for Dr. John Logan, a country doctor and early settler, and the father
of General John A. Logan.
Logan County comprises the Lincoln, IL Micropolitan Statistical Area, which is included in the Springfield-Jacksonville-Lincoln, IL Combined Statistical Area.
The county is named for Dr. John Logan, pioneer physician and father of General John A. Logan.
County QuickFacts: CensusBureau Quick Facts
Logan County was created on February 15, 1839 (Laws, 1839, p. 104) and was formed from McLean, Sangamon and Tazewell
Counties. Present area, or parts of it, formerly included in: Tazewell County (1827-1839), Sangamon County (1821-1839),
Bond County (1817-1821), Madison County (1812-1817), St. Clair County (1790-1812) and Knox, Northwest Territory
The County was named for Dr. John Logan, a pioneer physician, father of General John A. Logan. The County Seat is Lincoln . Prior County Seats was Postville- Name changed to Camden prior to 1847 (1839-1847), Mt. Pulaski (1847-1853) and Lincoln (1853-Present).
As reported by the Census Bureau, the county has a total area of 619 square miles (1,603 km2), of which, 618 square miles (1,601 km2) of it is land and 1 square miles (2 km2) of it (0.14%) is water.
Logan county is located close to the center of Illinois. Edward R.
Madigan State Fish and Wildlife Area is located in this county.
Bordering counties are as follows: