Summit is a city located in Marion County, Arkansas. Summit has a 2026 population of 533. Summit is currently declining at a rate of -0.74% annually and its population has decreased by -2.02% since the most recent census, which recorded a population of 544 in 2020.
The median age in Summit is 31 years: 31.7 years for males, and 26.7 years for females. For every 100 females there are 76.1 males.