what county is spring valley, il in?
Spring Valley is a city situated on the Illinois River in Bureau County, Illinois. The population was 5,398 at the 2000 census. It is part of the OttawaâStreator Micropolitan Statistical Area. Spring Valley is located at 41Â°19â²38â³N 89Â°12â²3â³W / 41.32722Â°N 89.20083Â°W / 41.32722; -89.20083 (41.327154, -89.200752).