Known as the Heart of Illinois, Peoria County is at the center of a multi-county region along the Illinois River. It serves a population of 181,830 (census 2020). The County boasts a diverse and vibrant business base, an impressive array of entertainment and cultural amenities, and a reasonable cost of living that make it an ideal place to call home. Major Peoria County facilities include the Courthouse, Sheriff's Office and Jail, Juvenile Detention Center, and the Peoria City/County Health Department.