Geographic Reference Files

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Geographic Reference Files

Geographic Reference Files – Codes (GRF-C)

These text files provide census block-level codes for entities within the MAF/TIGER System in 2025.

Download the 2025 GRF-C by state.

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

District of Columbia

Florida

Georgia

Hawaii

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

Puerto Rico

American Samoa

Commonwealth of the Northern Mariana Islands

Guam

U.S. Virgin Islands

Geographic Reference Files – Names (GRF-N)

These text files provide geographic names and attributes for entities within the MAF/TIGER System in 2025.

Download the 2025 GRF-N by state.