Winton is an unincorporated community and census-designated place in Merced County, California, United States. Winton is located 2.5 miles north of Atwater, California. and 10 miles northwest of Merced, the county seat. Winton was established along the original Santa Fe Railroad. At one time, passenger trains would stop at this location. As of the 2020 census, the population of Winton was 11,709, up from 10,613 in 2010.