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Find information about Sangamon County government, services, events, and history. Learn about the county's population, economy, education, and attractions.
Sangamon County is a county located near the center of the U.S. state of Illinois. According to the 2020 census , it had a population of 196,343. [1] Its county seat and largest city is Springfield , [2] the state capital .
Springfield is the capital city of the U.S. state of Illinois and the county seat of Sangamon County. The city's population was 114,394 at the 2020 census, which makes it the state's seventh most-populous city, the second largest outside of the Chicago metropolitan area (after Rockford), and the largest in central Illinois.
SangamonLink is an online encyclopedia of Sangamon County history, created by the Sangamon County Historical Society. It covers topics from Abraham Lincoln to local resources, and invites contributions from the public.
In 2022, Sangamon County, IL had a population of 196k people with a median age of 40.6 and a median household income of $71,653. Between 2021 and 2022 the population of Sangamon County, IL declined from 196,759 to 196,122, a −0.324% decrease and its median household income grew from $66,149 to $71,653, a 8.32% increase.
Jun 5, 2024 · Springfield, city, seat (1821) of Sangamon county and capital of Illinois, U.S. Lying along the Sangamon River in the central part of the state, Springfield is situated about 100 miles (160 km) northeast of St. Louis, Missouri, and some 185 miles (300 km) southwest of Chicago.
Sangamon County is a county located in the center of the U.S. state of Illinois. According to the 2020 census, it had a population of 196,343. [1] Its county seat is Springfield. [2]
