State Demographics: Iowa was admitted into the United States on December 28, 1846 and was the 29th state in the Constitution. The Iowa state flower is the Wild Prairie Rose and the Iowa state bird is the Eastern Goldfinch. The state of Iowa is made up of 99 counties with Des Moines as the Capital City. The largest cities in Iowa are Des Moines, Cedar Rapids, Davenport, Sioux City and Waterloo. The highest point in the state of Iowa is High Point at 1,670 feet and the lowest point is Juction of Mississippi & Des Moines rivers at 480 feet. The estimated Population in 2004 was 2,954,451 up 1% from the year 2000. If you are relocating to the state of Iowa, use our directory to help you find an advisor for your category of interest.