Riga is a town in Monroe County, New York, United States.

[3] The town is 18.5 miles (29.8 km) southwest of the city of Rochester, on the western border of the county.

Locally, the town's name is pronounced RYE-ga, instead of REE-ga like the capital of Latvia.

In the 18th century, the lands of present-day Riga were part of the "Mill Seat Tract" deeded by Native Americans to Phelps and Gorham.

Soon thereafter, Robert Morris of Philadelphia acquired the land and sold it to the estate of Sir William Pulteney, 5th Baronet in England.

The Riga area was originally part of Ontario County, set up by the State Legislature in 1789.