Norphlet is a city located in the U.S. state of Arkansas. It is within Union County. It has a total area of 2.08 square miles at 33°19′4″N 92°39′50″W. The elevation is 180 feet above sea level. As of the 2010 census data, it had a total population of 844. The population density was 390.78/sq mi . Estimated per capita income in 2015 was $20,326. It has Zip code 71759.