population of hamilton il
Hamilton, Illinois. Hamilton is a city in Hancock County, Illinois, United States. The population was 2,951 at the 2010 census, a decline from 3,029 in 2000. The city is located directly across the Mississippi River from Keokuk, Iowa. Hamilton is the largest city in Hancock County. 1 History.
Hamilton County Courthouse in McLeansboro. Hamilton County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 8,457. Its county seat is McLeansboro. It is located in the southern portion of the state known locally as Little Egypt. 1 History.