Rochester Township, Sangamon County, Illinois
Encyclopedia
Rochester Township is located in Sangamon County
Sangamon County, Illinois
Sangamon County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 197,465, which is an increase of 4.5% from 188,951 in 2000...
, Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
. The population was 4,486 at the 2000 census.