アイオワ州の都市圏の一覧
↑ QuickFacts. U.S. Census Bureau. 2020年.
↑ OMB Bulletin No. 23-01, Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas. Office of Management and Budget. 2023年7月21日.