Cressey is a census-designated place in Merced County, California. It is located 6 miles north-northwest of Atwater, at an elevation of 167 feet. The population was 394 at the 2010 census.Cressey is located in the northern part of Merced County. It is just east of where the Santa Fe railroad crosses the Merced River. Ballico is across the river to the northwest. Livingston is to the southwest, and Winton is southeast of Cressey. The ZIP Code is 95312. The area is inside area code 209.