Boone is a city located in Boone County Iowa. It is also the county seat of Boone County. With a 2020 population of 12,242, it is the 33rd largest city in Iowa and the 2677th largest city in the United States . Boone is currently declining at a rate of -0.58% annually and its population has decreased by -3.31% since the most recent census, which recorded a population of 12,661 in 2010. Boone reached it's highest population of in . Spanning over 9 miles, Boone has a population density of 1,347 people per square mile.
The average household income in Boone is $69,712 with a poverty rate of 7.98%. The median rental costs in recent years comes to $738 per month, and the median house value is $112,200. The median age in Boone is 39.2 years, 37.6 years for males, and 40.7 years for females.