Latitude and longitude of Williamsville, Illinois
- Nearby Springfield, Illinois, United States
Satellite map of Williamsville, Illinois
Williamsville is a village in Sangamon County, Illinois, United States. The population was 1,439 at the 2000 census, and 1,387 at a 2009 estimate.
Latitude: 39° 57' 1.79" N
Longitude: -89° 33' 1.79" W













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