Elba is a village in Genesee County, New York, United States. The population was 676 at the 2010 census. The village of Elba is in the town of Elba. The village is north of Batavia at the intersection of NYS Route 98 and NYS Route 262. Elba claims to be the "Onion Capital of the World." Torrey Farms, one of the largest farms in New York, is located in Elba with about 8,000 acres. They also own about 2,000 acres of muckland in Potter, New York, where they grow a large number of onions.