Ironhead Airport
Todd County, Texas
Irons Airport
Seward County, Missouri
Irons Point Seaplane Base
Ziebach County, Minnesota
Ironton
Meade County, Missouri
Ironton
Hitchcock County, Ohio
Ironville
Johnson County, Kentucky
Ironwood
Pierce County, Michigan
Iroquois Point
Honolulu County, Hawaii
Irrigon
Pacific County, Oregon
Irvine
Stevens County, Kentucky
Irvine
Skamania County, California
Irving
Logan County, Texas
Irvington
Niobrara County, Kentucky
Irvington
Aleutians East Borough, New Jersey
Irvington
Sully County, New York
Irvington Marina Seaplane Base
Pennington County, Virginia
Irwin
Skagit County, South Carolina
Irwin
Donley County, Pennsylvania
Irwindale
Sweetwater County, California
Isaacson Airport
Chugach Census Area, Washington
Isabel Municipal Airport
Uinta County, South Dakota
Isanti
Skamania County, Minnesota
Isbell Ranch Airport
Milam County, Texas
Isedor Iverson Airport
Hawaii County, Minnesota
Iselin
Lincoln County, New Jersey
Ishpeming
Pennington County, Michigan
Isla Vista
Sheridan County, California
Islamorada
Hitchcock County, Florida
Island Air Service Seaplane Base
Lincoln County, Massachusetts
Island Airport
Teton County, West Virginia
Island Beach
Park County, New Jersey
Island City
Snohomish County, Oregon
Island Heights
Park County, New Jersey
Island Lake
Sweet Grass County, Illinois
Island Lake Seaplane Base
Kenai Peninsula Borough, Alaska
Island Park
Skamania County, New York
Island View Airport
Uinta County, Wisconsin
Island Walk
Laramie County, Florida
Islandia
Pennington County, New York
Isle of Hope
Pend Oreille County, Georgia
Isle of Normandy
Miami-Dade County, Florida
Isle of Palms
Johnson County, South Carolina
Isle Private Airport
Mellette County, Minnesota
Isle-A-Port Airport
Scotts Bluff County, Tennessee
Islesboro Airport
Niobrara County, Maine
Islip
Pennington County, New York
Islip Terrace
Pennington County, New York
Israel's Farm Airport
Skagit County, Washington
Issaquah
Sheridan County, Washington
Issaquah Airport
Sheridan County, Washington
