Sitemap to all pages covering the state of Iowa. Photography contributions by Alex Nitzman, Andy Field, Bill Gatchel, Brent Ivy and Scott Onson.

Highway Guides

Many of the mileage statistics for highways cited throughout the AARoads’ Iowa guides were obtained from the extensively researched Iowa Highways Page by Jason Hancock. Additionally Jeff Morrison’s Iowa Highway Ends further covers each highway in the Hawkeye State with photos covering every end or entrance point from adjoining states.

Population Statistics

State Population
Metropolitan Populations
Des Moines 655,409 Quad Cities 381,451
Cedar Rapids 272,295 Iowa City 173,401
Ames 98,105 Dubuque 96,854
Top County Populations
Polk 487,204 Linn 225,909
Scott 173,283 Johnson 151,260
Black Hawk 132,408 Woodbury 102,539
Story 98,105 Dubuque 96,854
Top City Populations
Des Moines 216,853 Cedar Rapids 133,174
Davenport 102,085 Sioux City 82,396
Iowa City 76,290 Waterloo 67,798
Ames 67,154 West Des Moines 66,641
Council Bluffs 62,421 Dubuque 57,941
Source: U.S. Census – Population estimates, July 1, 2018, (V2018) U.S. Census

About Iowa

  • Capital: Des Moines
  • Nickname: Hawkeye State
  • State Flower: Wild Rose
  • State Bird: Eastern Goldfinch
  • State Tree: Oak
  • Total Interstate Mileage: 781.24
  • Land Area: 55,869.3 square miles
  • Acres in Farmland (2006): 31,500,000
  • Highest Point: Hawkeye Point 1,670 feet
  • Lowest Point: Mississippi River in Lee County 480 feet
  • Number of Counties: 99
  • Number of Incorporated Places: 948
  • Statehood: 29th state; admitted December 28, 1846
  • Quaker Oats, in Cedar Rapids, is the largest cereal company in the world.
  • Dubuque is home to the only county courthouse with a gold dome.
  • Herbert Hoover, a West Branch native, was the 31st president of the United States and the first one born west of the Mississippi.
  • Iowa is ranked first in Pork, Corn and Egg production in the U.S.

Major League Sports Franchises


Updated February 13, 2020.