Browse Maps by Region
The regions of the United States are geographic areas which include multiple states. The groupings are from standard language used by libraries and reflect the groupings used in the classification system for maps. The maps linked here represent large sections of the United States and the region names are searchable in this interface.
Region I Maps
East
All states east of the Mississippi River
West
All states west of the Mississippi River
Region II Maps
Northeastern States
East of Mississippi River, North of Ohio and Potomac Rivers: Connecticut, Delaware, District of Columbia, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Wisconsin
Northwestern States
Northern part of US between western edge of Lake Superior and Pacific Ocean: Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, Wyoming
Southwestern States
Southern US West of Mississippi River: Arkansas, Arizona, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas, Utah
Region III Maps
Atlantic States
All states Maine to Florida that are near to or border on Atlantic Ocean
Middle West
Rocky Mountains to Allegheny Mountains, North of Ohio River and southern border of Missouri and Kansas: Illinois, Iowa, Indiana, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin
Region IV Maps
Northwest, Pacific
Old Oregon country: Idaho, Oregon, Montana, Washington, Wyoming
Southwest, New
Corresponds to old Spanish province of New Mexico including Arizona, California, Colorado, Nevada, New Mexico, and Utah
Southern States
South of Mason-Dixon Line and Ohio River, from western Texas border to the Atlantic Ocean: Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia
Region V Maps
Middle Atlantic States
Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania
New England
Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Pacific States
Alaska, California, Hawaii, Oregon, Washington
Rocky Mountain States
Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming
South Atlantic States
Florida, Georgia, North Carolina, South Carolina, Virginia
Southwest, Old
Southwestern US before cessions of land from Mexico following Mexican War: Arkansas, Kentucky, Louisiana, Missouri, Tennessee, Texas