Fort Smith is a city located in Sebastian County Arkansas. With a 2020 population of 88,233, it is the 3rd largest city in Arkansas (after and ) and the 387th largest city in the United States . Fort Smith is currently growing at a rate of 0.19% annually and its population has increased by 2.35% since the most recent census, which recorded a population of 86,209 in 2010. Fort Smith reached it's highest population of 88,233 in 2021. Spanning over 68 miles, Fort Smith has a population density of 1,394 people per square mile.
The average household income in Fort Smith is $60,889 with a poverty rate of 21.04%. The median rental costs in recent years comes to $685 per month, and the median house value is $121,800. The median age in Fort Smith is 36.5 years, 34.9 years for males, and 38.5 years for females.