Elgin pronounced is a city 40 mi. northwest of Chicago on the Fox River. Most of Elgin lies within Kane County, Illinois, with a portion in Cook County, Illinois. As of the 2000 census, the city had a total population of 94,487, making it the eighth-largest city in Illinois. Elgin was profiled in a 1997 issue of Money Magazine as a microcosm of the United States. Elgin apartments for rent comparison page shows most up to date rent information on Elgin apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.