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Interstate compacts by state
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An interstate compact is a contractual arrangement made between two or more states in which the assigned parties agree on a specific policy issue and either adopt a set of standards or cooperate with one another on a particular regional or national matter. The tables below show the compacts each state is involved in as of 2014. On average, each state was a party to 34 interstate compacts as of 2014.
States
As of 2014, Alabama belonged to 40 interstate compacts.
Alaska belongs to 31 interstate compacts.
Arizona belongs to 35 interstate compacts.
Arkansas belongs to 33 interstate compacts.
California belongs to 33 interstate compacts.
Colorado belongs to 41 interstate compacts.
Connecticut belongs to 35 interstate compacts.
Delaware belongs to 29 interstate compacts.
Florida belongs to 32 interstate compacts.
Georgia belongs to 30 interstate compacts.
Hawaii belongs to 22 interstate compacts.
Idaho belongs to 34 interstate compacts.
Illinois belongs to 35 interstate compacts.
Indiana belongs to 41 interstate compacts.
Iowa belongs to 27 interstate compacts.
Kansas belongs to 40 interstate compacts.
Kentucky belongs to 36 interstate compacts.
Louisiana belongs to 34 interstate compacts.
Maine belongs to 37 interstate compacts.
Maryland belongs to 43 interstate compacts.
Massachusetts belongs to 28 interstate compacts.
Michigan belongs to 31 interstate compacts.
Minnesota belongs to 29 interstate compacts.
Mississippi belongs to 34 interstate compacts.
Missouri belongs to 37 interstate compacts.
Montana belongs to 32 interstate compacts.
Nebraska belongs to 33 interstate compacts.
Nevada belongs to 29 interstate compacts.
New Hampshire belongs to 41 interstate compacts.
New Jersey belongs to 37 interstate compacts.
New Mexico belongs to 42 interstate compacts.
New York belongs to 42 interstate compacts.
North Carolina belongs to 30 interstate compacts.
North Dakota belongs to 32 interstate compacts.
Ohio belongs to 33 interstate compacts.
Oklahoma belongs to 33 interstate compacts.
Oregon belongs to 36 interstate compacts.
Pennsylvania belongs to 40 interstate compacts.
Rhode Island belongs to 33 interstate compacts.
South Carolina belongs to 29 interstate compacts.
South Dakota belongs to 26 interstate compacts.
Tennessee belongs to 33 interstate compacts.
Texas belongs to 34 interstate compacts.
Utah belongs to 34 interstate compacts.
Vermont belongs to 37 interstate compacts.
Virginia belongs to 49 interstate compacts.
Washington belongs to 33 interstate compacts.
West Virginia belongs to 40 interstate compacts.
Wisconsin belongs to 25 interstate compacts.
Wyoming belongs to 35 interstate compacts.
The District of Columbia belongs to 25 interstate compacts.
