phone number: fax number: emergency response program: 928-428-0110: 928-428-8074: public health: 928-428-0110: 928-428-8074
Springfield, Illinois. Springfield is the capital of the U.S. state of Illinois and the county seat of Sangamon County. The city's population of 116,250 as of the 2010 U.S. Census makes it the state's sixth most populous city. It is the largest city in central Illinois.
The county seat since 1799, Springfield still retains ties to railroad and sawmill industries. Remnants of the communityâs traditional âsquare town planâ still exist around the historic Courthouse. Tour the historic jail, home to the local museum, to learn more about Springfield and the countyâs unique heritage. In the heart of one of the Southeast's oldest yet fastest growing counties, the City of Springfield offers a unique blend of hometown hospitality, rich regional history and modern day convenience.