U.S. Department of Commerce

Cartographic Boundary Files

Counties


File Naming Conventions



Layer 2010 Census Census 2000 1990 Census
Alabama N/A co01_d00_shp.zip co01_d90_shp.zip
Alaska N/A co02_d00_shp.zip co02_d90_shp.zip
Arizona N/A co04_d00_shp.zip co04_d90_shp.zip
Arkansas N/A co05_d00_shp.zip co05_d90_shp.zip
California N/A co06_d00_shp.zip co06_d90_shp.zip
Colorado N/A co08_d00_shp.zip co08_d90_shp.zip
Connecticut N/A co09_d00_shp.zip co09_d90_shp.zip
Delaware N/A co10_d00_shp.zip co10_d90_shp.zip
District of Columbia N/A co11_d00_shp.zip co11_d90_shp.zip
Florida N/A co12_d00_shp.zip co12_d90_shp.zip
Georgia N/A co13_d00_shp.zip co13_d90_shp.zip
Hawaii N/A co15_d00_shp.zip co15_d90_shp.zip
Idaho N/A co16_d00_shp.zip co16_d90_shp.zip
Illinois N/A co17_d00_shp.zip co17_d90_shp.zip
Indiana N/A co18_d00_shp.zip co18_d90_shp.zip
Iowa N/A co19_d00_shp.zip co19_d90_shp.zip
Kansas N/A co20_d00_shp.zip co20_d90_shp.zip
Kentucky N/A co21_d00_shp.zip co21_d90_shp.zip
Louisiana N/A co22_d00_shp.zip co22_d90_shp.zip
Maine N/A co23_d00_shp.zip co23_d90_shp.zip
Maryland N/A co24_d00_shp.zip co24_d90_shp.zip
Massachusetts N/A co25_d00_shp.zip co25_d90_shp.zip
Michigan N/A co26_d00_shp.zip co26_d90_shp.zip
Minnesota N/A co27_d00_shp.zip co27_d90_shp.zip
Mississippi N/A co28_d00_shp.zip co28_d90_shp.zip
Missouri N/A co29_d00_shp.zip co29_d90_shp.zip
Montana N/A co30_d00_shp.zip co30_d90_shp.zip
Nebraska N/A co31_d00_shp.zip co31_d90_shp.zip
Nevada N/A co32_d00_shp.zip co32_d90_shp.zip
New Hampshire N/A co33_d00_shp.zip co33_d90_shp.zip
New Jersey N/A co34_d00_shp.zip co34_d90_shp.zip
New Mexico N/A co35_d00_shp.zip co35_d90_shp.zip
New York N/A co36_d00_shp.zip co36_d90_shp.zip
North Carolina N/A co37_d00_shp.zip co37_d90_shp.zip
North Dakota N/A co38_d00_shp.zip co38_d90_shp.zip
Ohio N/A co39_d00_shp.zip co39_d90_shp.zip
Oklahoma N/A co40_d00_shp.zip co40_d90_shp.zip
Oregon N/A co41_d00_shp.zip co41_d90_shp.zip
Pennsylvania N/A co42_d00_shp.zip co42_d90_shp.zip
Rhode Island N/A co44_d00_shp.zip co44_d90_shp.zip
South Carolina N/A co45_d00_shp.zip co45_d90_shp.zip
South Dakota N/A co46_d00_shp.zip co46_d90_shp.zip
Tennessee N/A co47_d00_shp.zip co47_d90_shp.zip
Texas N/A co48_d00_shp.zip co48_d90_shp.zip
Utah N/A co49_d00_shp.zip co49_d90_shp.zip
Vermont N/A co50_d00_shp.zip co50_d90_shp.zip
Virginia N/A co51_d00_shp.zip co51_d90_shp.zip
Washington N/A co53_d00_shp.zip co53_d90_shp.zip
West Virginia N/A co54_d00_shp.zip co54_d90_shp.zip
Wisconsin N/A co55_d00_shp.zip co55_d90_shp.zip
Wyoming N/A co56_d00_shp.zip co56_d90_shp.zip
Puerto Rico N/A co72_d00_shp.zip co72_d90_shp.zip
United States gz_2010_us_050_00_500k.zip
gz_2010_us_050_00_5m.zip
gz_2010_us_050_00_20m.zip
co99_d00_shp.zip co99_d90_shp.zip




[PDF] or PDF denotes a file in Adobe’s Portable Document Format. To view the file, you will need the Adobe® Reader® Off Site available free from Adobe.