
Lincoln
- County:
- Logan County
- County Seat:
- Yes
- Area (mi²):
- 6.247
- State:
- Illinois
Lincoln is a city located in Logan County, Illinois. Lincoln has a 2025 population of 12,954. It is also the county seat of Logan County. Lincoln is currently declining at a rate of -0.45% annually and its population has decreased by -2.22% since the most recent census, which recorded a population of 13,248 in 2020.
The average household income in Lincoln is $72,166 with a poverty rate of 18.15%. The median age in Lincoln is 38.4 years: 35.2 years for males, and 41.9 years for females.