Bentonville, AR has a population of 42,499 and is the 965th largest city in the United States. The population density is 1,341 per sq mi which is 2319% higher than the Arkansas average and 1381% higher than the national average. The median age in Bentonville is 33 which is approximately 14% lower than the Arkansas average of 38. In Bentonville, 62% of the population over 15 years of age are married, 87% speak English and 5% speak Spanish. 38% of Bentonville residents were born in Arkansas, 47% were born out of state, 1% were born outside of the United States and 14% were foreign born.