Fairfield Bay is a city in Cleburne and Van Buren counties in the northern part of the U.S. state of Arkansas. The population was 2,338 at the 2010 census. The population in its portion in Van Buren County, which accounts for the bulk of the city limits, made the city the most populous in Van Buren County as of the 2000 census, but with a slight decline in population, lost the distinction to Clinton as of 2010.
Fairfield Bay, located on the shore of Greers Ferry Lake, is home to Fairfield Bay Resort, the namesake of Wyndham Worldwide-owned Fairfield Resorts.
Fairfield Bay is located in eastern Van Buren County at 35°36′07″N 92°15′51″W, extending eastward into Cleburne County. It is located on hills overlooking the northern shore of Greers Ferry Lake, a reservoir on the Little Red River, a tributary of the White River which flows to the Mississippi.
According to the United States Census Bureau, the city has a total area of 15.3 square miles (39.7 km2), of which 15.3 square miles (39.5 km2) is land and 0.04 square miles (0.1 km2), or 0.36%, is water.
As of the census of 2000, there were 2,460 people, 1,231 households, and 833 families residing in the city. The population density was 162.1 people per square mile (62.6/km2). There were 1,976 housing units at an average density of 130.2 per square mile (50.3/km2). The racial makeup of the city was 98.41% White, 0.53% Black or African American, 0.16% Native American, 0.24% Asian, and 0.65% from two or more races.