Sulphur Springs is a city located in the U.S. state of Arkansas. It is within Benton County included in the Fayetteville–Springdale–Rogers, AR-MO Metropolitan Statistical Area. It has a total area of 1.02 square miles at 36°29′01″N 94°27′33″W. The elevation is 909 feet above sea level. As of the 2010 census data, it had a total population of 511. The population density was 521.10/sq mi. Estimated per capita income in 2016 was $26,710. It has Zip code 72768.