1990 Census Block Groups
in ARC/INFO Export (.e00) format

Alabama - bg01_d90_e00.zip (2,560,044 bytes)
Alaska - bg02_d90_e00.zip (904,324 bytes)
Arizona - bg04_d90_e00.zip (2,001,421 bytes)
Arkansas - bg05_d90_e00.zip (1,751,951 bytes)
California - bg06_d90_e00.zip (11,157,244 bytes)
Colorado - bg08_d90_e00.zip (2,013,877 bytes)
Connecticut - bg09_d90_e00.zip (1,530,828 bytes)
Delaware - bg10_d90_e00.zip (296,246 bytes)
District of Columbia - bg11_d90_e00.zip (264,648 bytes)
Florida - bg12_d90_e00.zip (4,810,416 bytes)
Georgia - bg13_d90_e00.zip (3,346,098 bytes)
Hawaii - bg15_d90_e00.zip (364,125 bytes)
Idaho - bg16_d90_e00.zip (1,038,241 bytes)
Illinois - bg17_d90_e00.zip (5,461,401 bytes)
Indiana - bg18_d90_e00.zip (2,939,954 bytes)
Iowa - bg19_d90_e00.zip (1,720,726 bytes)
Kansas - bg20_d90_e00.zip (1,616,861 bytes)
Kentucky - bg21_d90_e00.zip (2,524,325 bytes)
Louisiana - bg22_d90_e00.zip (2,571,914 bytes)
Maine - bg23_d90_e00.zip (860,898 bytes)
Maryland - bg24_d90_e00.zip (2,019,262 bytes)
Massachusetts - bg25_d90_e00.zip (2,921,724 bytes)
Michigan - bg26_d90_e00.zip (4,930,719 bytes)
Minnesota - bg27_d90_e00.zip (2,663,717 bytes)
Mississippi - bg28_d90_e00.zip (1,736,616 bytes)
Missouri - bg29_d90_e00.zip (3,124,600 bytes)
Montana - bg30_d90_e00.zip (1,107,739 bytes)
Nebraska - bg31_d90_e00.zip (1,143,285 bytes)
Nevada - bg32_d90_e00.zip (583,011 bytes)
New Hampshire - bg33_d90_e00.zip (641,053 bytes)
New Jersey - bg34_d90_e00.zip (3,490,115 bytes)
New Mexico - bg35_d90_e00.zip (1,078,309 bytes)
New York - bg36_d90_e00.zip (8,013,466 bytes)
North Carolina - bg37_d90_e00.zip (3,748,591 bytes)
North Dakota - bg38_d90_e00.zip (771,635 bytes)
Ohio - bg39_d90_e00.zip (5,504,543 bytes)
Oklahoma - bg40_d90_e00.zip (2,201,726 bytes)
Oregon - bg41_d90_e00.zip (1,854,200 bytes)
Pennsylvania - bg42_d90_e00.zip (6,377,546 bytes)
Rhode Island - bg44_d90_e00.zip (461,854 bytes)
South Carolina - bg45_d90_e00.zip (2,139,542 bytes)
South Dakota - bg46_d90_e00.zip (697,878 bytes)
Tennessee - bg47_d90_e00.zip (2,931,746 bytes)
Texas - bg48_d90_e00.zip (9,241,575 bytes)
Utah - bg49_d90_e00.zip (867,497 bytes)
Vermont - bg50_d90_e00.zip (416,791 bytes)
Virginia - bg51_d90_e00.zip (3,162,625 bytes)
Washington - bg53_d90_e00.zip (2,704,278 bytes)
West Virginia - bg54_d90_e00.zip (1,546,150 bytes)
Wisconsin - bg55_d90_e00.zip (2,871,926 bytes)
Wyoming - bg56_d90_e00.zip (751,262 bytes)
American Samoa - bg60_d90_e00.zip (37,419 bytes)
Guam - bg66_d90_e00.zip (96,492 bytes)
N. Mariana Islands - bg69_d90_e00.zip (36,140 bytes)
Palau - bg70_d90_e00.zip (38,871 bytes)
Puerto Rico - bg72_d90_e00.zip (1,091,823 bytes)
Virgin Islands - bg78_d90_e00.zip (83,366 bytes)

1990 Census Block Groups
in ArcView Shapefile (.shp) format

Alabama - bg01_d90_shp.zip (853,288 bytes)
Alaska - bg02_d90_shp.zip (528,684 bytes)
Arizona - bg04_d90_shp.zip (625,066 bytes)
Arkansas - bg05_d90_shp.zip (641,440 bytes)
California - bg06_d90_shp.zip (2,753,447 bytes)
Colorado - bg08_d90_shp.zip (622,271 bytes)
Connecticut - bg09_d90_shp.zip (345,387 bytes)
Delaware - bg10_d90_shp.zip (72,501 bytes)
District of Columbia - bg11_d90_shp.zip (48,729 bytes)
Florida - bg12_d90_shp.zip (1,141,022 bytes)
Georgia - bg13_d90_shp.zip (1,056,671 bytes)
Hawaii - bg15_d90_shp.zip (99,794 bytes)
Idaho - bg16_d90_shp.zip (421,589 bytes)
Illinois - bg17_d90_shp.zip (1,226,472 bytes)
Indiana - bg18_d90_shp.zip (710,307 bytes)
Iowa - bg19_d90_shp.zip (462,789 bytes)
Kansas - bg20_d90_shp.zip (392,698 bytes)
Kentucky - bg21_d90_shp.zip (921,175 bytes)
Louisiana - bg22_d90_shp.zip (786,211 bytes)
Maine - bg23_d90_shp.zip (251,266 bytes)
Maryland - bg24_d90_shp.zip (507,157 bytes)
Massachusetts - bg25_d90_shp.zip (652,314 bytes)
Michigan - bg26_d90_shp.zip (1,100,896 bytes)
Minnesota - bg27_d90_shp.zip (750,325 bytes)
Mississippi - bg28_d90_shp.zip (586,269 bytes)
Missouri - bg29_d90_shp.zip (939,482 bytes)
Montana - bg30_d90_shp.zip (546,038 bytes)
Nebraska - bg31_d90_shp.zip (311,249 bytes)
Nevada - bg32_d90_shp.zip (195,427 bytes)
New Hampshire - bg33_d90_shp.zip (173,595 bytes)
New Jersey - bg34_d90_shp.zip (745,006 bytes)
New Mexico - bg35_d90_shp.zip (370,951 bytes)
New York - bg36_d90_shp.zip (1,756,071 bytes)
North Carolina - bg37_d90_shp.zip (1,226,627 bytes)
North Dakota - bg38_d90_shp.zip (234,620 bytes)
Ohio - bg39_d90_shp.zip (1,276,090 bytes)
Oklahoma - bg40_d90_shp.zip (627,539 bytes)
Oregon - bg41_d90_shp.zip (671,736 bytes)
Pennsylvania - bg42_d90_shp.zip (1,586,986 bytes)
Rhode Island - bg44_d90_shp.zip (99,170 bytes)
South Carolina - bg45_d90_shp.zip (683,187 bytes)
South Dakota - bg46_d90_shp.zip (229,557 bytes)
Tennessee - bg47_d90_shp.zip (1,000,985 bytes)
Texas - bg48_d90_shp.zip (2,630,764 bytes)
Utah - bg49_d90_shp.zip (293,080 bytes)
Vermont - bg50_d90_shp.zip (119,356 bytes)
Virginia - bg51_d90_shp.zip (1,037,598 bytes)
Washington - bg53_d90_shp.zip (787,714 bytes)
West Virginia - bg54_d90_shp.zip (597,969 bytes)
Wisconsin - bg55_d90_shp.zip (779,959 bytes)
Wyoming - bg56_d90_shp.zip (357,744 bytes)
American Samoa - bg60_d90_shp.zip (10,615 bytes)
Guam - bg66_d90_shp.zip (27,021 bytes)
N. Mariana Islands - bg69_d90_shp.zip (10,984 bytes)
Palau - bg70_d90_shp.zip (13,125 bytes)
Puerto Rico - bg72_d90_shp.zip (360,503 bytes)
Virgin Islands - bg78_d90_shp.zip (23,962 bytes)

1990 Census Block Groups
in ARC/INFO Ungenerate (ASCII) format

Alabama - bg01_d90_ascii.zip (1,535,591 bytes)
Alaska - bg02_d90_ascii.zip (1,092,937 bytes)
Arizona - bg04_d90_ascii.zip (1,049,819 bytes)
Arkansas - bg05_d90_ascii.zip (1,211,563 bytes)
California - bg06_d90_ascii.zip (3,744,454 bytes)
Colorado - bg08_d90_ascii.zip (1,009,996 bytes)
Connecticut - bg09_d90_ascii.zip (423,495 bytes)
Delaware - bg10_d90_ascii.zip (89,687 bytes)
District of Columbia - bg11_d90_ascii.zip (42,554 bytes)
Florida - bg12_d90_ascii.zip (1,491,506 bytes)
Georgia - bg13_d90_ascii.zip (1,834,918 bytes)
Hawaii - bg15_d90_ascii.zip (144,709 bytes)
Idaho - bg16_d90_ascii.zip (851,252 bytes)
Illinois - bg17_d90_ascii.zip (1,523,054 bytes)
Indiana - bg18_d90_ascii.zip (972,154 bytes)
Iowa - bg19_d90_ascii.zip (709,947 bytes)
Kansas - bg20_d90_ascii.zip (533,790 bytes)
Kentucky - bg21_d90_ascii.zip (1,705,353 bytes)
Louisiana - bg22_d90_ascii.zip (1,338,034 bytes)
Maine - bg23_d90_ascii.zip (413,718 bytes)
Maryland - bg24_d90_ascii.zip (703,220 bytes)
Massachusetts - bg25_d90_ascii.zip (800,790 bytes)
Michigan - bg26_d90_ascii.zip (1,354,722 bytes)
Minnesota - bg27_d90_ascii.zip (1,193,523 bytes)
Mississippi - bg28_d90_ascii.zip (1,101,754 bytes)
Missouri - bg29_d90_ascii.zip (1,539,031 bytes)
Montana - bg30_d90_ascii.zip (1,140,892 bytes)
Nebraska - bg31_d90_ascii.zip (478,170 bytes)
Nevada - bg32_d90_ascii.zip (350,110 bytes)
New Hampshire - bg33_d90_ascii.zip (266,687 bytes)
New Jersey - bg34_d90_ascii.zip (821,337 bytes)
New Mexico - bg35_d90_ascii.zip (668,353 bytes)
New York - bg36_d90_ascii.zip (2,119,017 bytes)
North Carolina - bg37_d90_ascii.zip (2,137,315 bytes)
North Dakota - bg38_d90_ascii.zip (417,454 bytes)
Ohio - bg39_d90_ascii.zip (1,640,046 bytes)
Oklahoma - bg40_d90_ascii.zip (1,003,765 bytes)
Oregon - bg41_d90_ascii.zip (1,236,887 bytes)
Pennsylvania - bg42_d90_ascii.zip (2,199,828 bytes)
Rhode Island - bg44_d90_ascii.zip (107,303 bytes)
South Carolina - bg45_d90_ascii.zip (1,200,494 bytes)
South Dakota - bg46_d90_ascii.zip (414,908 bytes)
Tennessee - bg47_d90_ascii.zip (1,762,654 bytes)
Texas - bg48_d90_ascii.zip (4,201,291 bytes)
Utah - bg49_d90_ascii.zip (518,911 bytes)
Vermont - bg50_d90_ascii.zip (191,188 bytes)
Virginia - bg51_d90_ascii.zip (1,803,164 bytes)
Washington - bg53_d90_ascii.zip (1,235,411 bytes)
West Virginia - bg54_d90_ascii.zip (1,196,494 bytes)
Wisconsin - bg55_d90_ascii.zip (1,213,791 bytes)
Wyoming - bg56_d90_ascii.zip (742,480 bytes)
American Samoa - bg60_d90_ascii.zip (13,464 bytes)
Guam - bg66_d90_ascii.zip (32,330 bytes)
N. Mariana Islands - bg69_d90_ascii.zip (14,840 bytes)
Palau - bg70_d90_ascii.zip (20,188 bytes)
Puerto Rico - bg72_d90_ascii.zip (592,653 bytes)
Virgin Islands - bg78_d90_ascii.zip (30,796 bytes)

Descriptions and Metadata