Lincoln is a city located in Logan County Illinois. It is also the county seat of Logan County. With a 2020 population of 13,202, it is the 181st largest city in Illinois and the 2534th largest city in the United States . Lincoln is currently declining at a rate of -1.20% annually and its population has decreased by -8.98% since the most recent census, which recorded a population of 14,504 in 2010. Lincoln reached it's highest population of 17,582 in 1970. Spanning over 6 miles, Lincoln has a population density of 2,112 people per square mile.
The average household income in Lincoln is $62,525 with a poverty rate of 12.78%. The median rental costs in recent years comes to $692 per month, and the median house value is $88,300. The median age in Lincoln is 38.7 years, 36.6 years for males, and 41 years for females.