Sheridan, AR has a population of 4,794 and is the 6,643rd largest city in the United States. The population density is 403 per sq mi which is 627% higher than the Arkansas average and 345% higher than the national average. The median age in Sheridan is 35 which is approximately 8% lower than the Arkansas average of 38. In Sheridan, 59% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 82% of Sheridan residents were born in Arkansas, 17% were born out of state, 0% were born outside of the United States and 1% were foreign born.