Pea Ridge, AR has a population of 5,177 and is the 6,301st largest city in the United States. The population density is 731 per sq mi which is 1218% higher than the Arkansas average and 707% higher than the national average. The median age in Pea Ridge is 33 which is approximately 12% lower than the Arkansas average of 38. In Pea Ridge, 70% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 50% of Pea Ridge residents were born in Arkansas, 46% were born out of state, 1% were born outside of the United States and 3% were foreign born.