Rio Map
Rio is a village in Knox County, Illinois, United States. The population was 240 at the 2000 census. It is part of the Galesburg Micropolitan Statistical Area.
Contrary to the spelling, locally Rio is pronounced Rye-Oh.
Rio's coordinates, as stated on the right, are :41°6?37?N 90°23?56?W. The town, like its other rural neighbors, has rich soil ideal for farming corn and soybeans. A few very small cricks run through its outskirts,they have no formal name. Some insignificant hills coast under the streets of the village, and there are a few relatively sizable drop offs that almost look like shallow and gradual cliffs; as some of the local agricultural fields are rolling and steep.There are no notably unique or famous, by any or anyones' standards; geographical features in Rio.
Nearby cities include Galesburg, Viola, Altona, Andover, Matherville.