Reference Maps

American Indian Areas

• Omaha Reservation: 2010
• Sac and Fox-Meskwaki Reservation and Off-Reservation Trust Land: 2010
• Winnebago Reservation and Off-Reservation Trust Land: 2010

Census blocks

• Iowa PL 94-171 redistricting blocks: 2020
• Iowa PL 94-171 redistricting blocks: 2010

• Iowa PL-171 redistricting blocks: 2000

Census Tracts

• Census Tract Outlines: 2020
• Census Tract Outlines: 2010

• Census Tract Outlines: 2000

Congressional Districts

• 117th Congressional Districts in Iowa

Counties

• Iowa County Outline

Metropolitan and Micropolitan Statistical Areas

• Metropolitan and Micropolitan statistical area wall map: March 2020

Public Use Microdata Areas

• Public Use Microdata Areas and Super-Public Use Microdata Areas: 2010

Urban Areas

• 2010 Urban Areas

• 2010 Urban Clusters
   

Geographic Codes

FIPS Codes

The following files list the  Federal Information Processing Series (FIPS) codes and area names for Iowa counties, county subdivisions and places:

• FIPS codes for Iowa counties (.xls)
• FIPS codes for Iowa incorporated places  (.xls)
• FIPS codes for Iowa county subdivisions  (.xls)