The 2016 Fort Smith, Arkansas, population is 88,194. There are 1,394 people per square mile (population density).
The median age is 35.3. The US median is 37.4. 49.21% of people in Fort Smith, Arkansas, are married. 14.61% are divorced.
The average household size is 2.48 people. 28.63% of people are married, with children. 21.02% have children, but are single.
63.18% of people are white, 8.54% are black, 5.67% are asian, 0.99% are native american, and 0.02% claim 'Other'.
17.01% of the people in Fort Smith, Arkansas, claim hispanic ethnicity (meaning 82.99% are non-hispanic).