U.S. Department of Commerce

Cartographic Boundary Files

Block Groups


File Naming Conventions



Layer 2010 Census Census 2000 1990 Census
Alabama gz_2010_01_150_00_500k.zip bg01_d00_shp.zip bg01_d90_shp.zip
Alaska gz_2010_02_150_00_500k.zip bg02_d00_shp.zip bg02_d90_shp.zip
Arizona gz_2010_04_150_00_500k.zip bg04_d00_shp.zip bg04_d90_shp.zip
Arkansas gz_2010_05_150_00_500k.zip bg05_d00_shp.zip bg05_d90_shp.zip
California gz_2010_06_150_00_500k.zip bg06_d00_shp.zip bg06_d90_shp.zip
Colorado gz_2010_08_150_00_500k.zip bg08_d00_shp.zip bg08_d90_shp.zip
Connecticut gz_2010_09_150_00_500k.zip bg09_d00_shp.zip bg09_d90_shp.zip
Delaware gz_2010_10_150_00_500k.zip bg10_d00_shp.zip bg10_d90_shp.zip
District of Columbia gz_2010_11_150_00_500k.zip bg11_d00_shp.zip bg11_d90_shp.zip
Florida gz_2010_12_150_00_500k.zip bg12_d00_shp.zip bg12_d90_shp.zip
Georgia gz_2010_13_150_00_500k.zip bg13_d00_shp.zip bg13_d90_shp.zip
Hawaii gz_2010_15_150_00_500k.zip bg15_d00_shp.zip bg15_d90_shp.zip
Idaho gz_2010_16_150_00_500k.zip bg16_d00_shp.zip bg16_d90_shp.zip
Illinois gz_2010_17_150_00_500k.zip bg17_d00_shp.zip bg17_d90_shp.zip
Indiana gz_2010_18_150_00_500k.zip bg18_d00_shp.zip bg18_d90_shp.zip
Iowa gz_2010_19_150_00_500k.zip bg19_d00_shp.zip bg19_d90_shp.zip
Kansas gz_2010_20_150_00_500k.zip bg20_d00_shp.zip bg20_d90_shp.zip
Kentucky gz_2010_21_150_00_500k.zip bg21_d00_shp.zip bg21_d90_shp.zip
Louisiana gz_2010_22_150_00_500k.zip bg22_d00_shp.zip bg22_d90_shp.zip
Maine gz_2010_23_150_00_500k.zip bg23_d00_shp.zip bg23_d90_shp.zip
Maryland gz_2010_24_150_00_500k.zip bg24_d00_shp.zip bg24_d90_shp.zip
Massachusetts gz_2010_25_150_00_500k.zip bg25_d00_shp.zip bg25_d90_shp.zip
Michigan gz_2010_26_150_00_500k.zip bg26_d00_shp.zip bg26_d90_shp.zip
Minnesota gz_2010_27_150_00_500k.zip bg27_d00_shp.zip bg27_d90_shp.zip
Mississippi gz_2010_28_150_00_500k.zip bg28_d00_shp.zip bg28_d90_shp.zip
Missouri gz_2010_29_150_00_500k.zip bg29_d00_shp.zip bg29_d90_shp.zip
Montana gz_2010_30_150_00_500k.zip bg30_d00_shp.zip bg30_d90_shp.zip
Nebraska gz_2010_31_150_00_500k.zip bg31_d00_shp.zip bg31_d90_shp.zip
Nevada gz_2010_32_150_00_500k.zip bg32_d00_shp.zip bg32_d90_shp.zip
New Hampshire gz_2010_33_150_00_500k.zip bg33_d00_shp.zip bg33_d90_shp.zip
New Jersey gz_2010_34_150_00_500k.zip bg34_d00_shp.zip bg34_d90_shp.zip
New Mexico gz_2010_35_150_00_500k.zip bg35_d00_shp.zip bg35_d90_shp.zip
New York gz_2010_36_150_00_500k.zip bg36_d00_shp.zip bg36_d90_shp.zip
North Carolina gz_2010_37_150_00_500k.zip bg37_d00_shp.zip bg37_d90_shp.zip
North Dakota gz_2010_38_150_00_500k.zip bg38_d00_shp.zip bg38_d90_shp.zip
Ohio gz_2010_39_150_00_500k.zip bg39_d00_shp.zip bg39_d90_shp.zip
Oklahoma gz_2010_40_150_00_500k.zip bg40_d00_shp.zip bg40_d90_shp.zip
Oregon gz_2010_41_150_00_500k.zip bg41_d00_shp.zip bg41_d90_shp.zip
Pennsylvania gz_2010_42_150_00_500k.zip bg42_d00_shp.zip bg42_d90_shp.zip
Rhode Island gz_2010_44_150_00_500k.zip bg44_d00_shp.zip bg44_d90_shp.zip
South Carolina gz_2010_45_150_00_500k.zip bg45_d00_shp.zip bg45_d90_shp.zip
South Dakota gz_2010_46_150_00_500k.zip bg46_d00_shp.zip bg46_d90_shp.zip
Tennessee gz_2010_47_150_00_500k.zip bg47_d00_shp.zip bg47_d90_shp.zip
Texas gz_2010_48_150_00_500k.zip bg48_d00_shp.zip bg48_d90_shp.zip
Utah gz_2010_49_150_00_500k.zip bg49_d00_shp.zip bg49_d90_shp.zip
Vermont gz_2010_50_150_00_500k.zip bg50_d00_shp.zip bg50_d90_shp.zip
Virginia gz_2010_51_150_00_500k.zip bg51_d00_shp.zip bg51_d90_shp.zip
Washington gz_2010_53_150_00_500k.zip bg53_d00_shp.zip bg53_d90_shp.zip
West Virginia gz_2010_54_150_00_500k.zip bg54_d00_shp.zip bg54_d90_shp.zip
Wisconsin gz_2010_55_150_00_500k.zip bg55_d00_shp.zip bg55_d90_shp.zip
Wyoming gz_2010_56_150_00_500k.zip bg56_d00_shp.zip bg56_d90_shp.zip
Puerto Rico gz_2010_72_150_00_500k.zip bg72_d00_shp.zip bg72_d90_shp.zip




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