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.
Springfield is the third largest city in the state of Missouri and the county seat of Greene County. According to the 2010 census data, the population was 159,498, an increase of 5.2% since the 2000 census. It is one of the two principal cities of the Springfield-Branson Metropolitan Area, which has a population of 537,631 and includes the counties of Christian, Dallas, Greene, Polk, Webster, Stone and Taney.