This summary pdf has not been updated to reflect changes in the availability of Census 2010 and American Community Survey data. Changes coming soon!
State / Territory Boundary File Availability A table showing boundary file availability for states and territories.
Each state boundary file contains all states/territories in the United States for a given census. This table shows the states/territories that are available in a given census decade.
NHGIS
Code 2000 1990 1980 1970 1960 1950 1940 1930 1920 1910 1900 1890 1880 1870 1860 1850 1840 1830 1820 1810 1800 1790 Alabama 010 XXXXXXXXXXXXXXXXXXX Alaska 020 XXXXXX Alaska Territory 025 XXXXXXX
Arizona 040 XXXXXXXXX Arizona Territory 045 XXXXX Arkansas 050 XXXXXXXXXXXXXXXXX Arkansas Territory 055 XX California 060 XXXXXXXXXXXXXXXX Colorado 080 XXXXXXXXXXXXX Colorado Territory 085 X Connecticut 090 XXXXXXXXXXXXXXXXXXXXXX Dakota Territory 095 XXX Delaware 100 XXXXXXXXXXXXXXXXXXXXXX District of Columbia 110 XXXXXXXXXXXXXXXXXXXXX Florida 120 XXXXXXXXXXXXXXXX Florida Territory 125 XX Georgia 130 XXXXXXXXXXXXXXXXXXXXXX Hawaii 150 XXXXXX Hawaii Territory 155 XXXXX Idaho 160 XXXXXXXXXXXX Idaho Territory 165 XX Illinois 170 XXXXXXXXXXXXXXXXXXX Illinois Territory 175 X Indiana 180 XXXXXXXXXXXXXXXXXXX Indian Territory 178 XXXXX Indiana Territory 185 XX Iowa 190 XXXXXXXXXXXXXXXX Iowa Territory 195 X Kansas 200 XXXXXXXXXXXXXX Kansas Territory 205 X Kentucky 210 XXXXXXXXXXXXXXXXXXXXX Louisiana 220 XXXXXXXXXXXXXXXXXXX Louisiana Territory 225 X Maine 230 XXXXXXXXXXXXXXXXXXX Maryland 240 XXXXXXXXXXXXXXXXXXXXXX Massachusetts 250 XXXXXXXXXXXXXXXXXXXXXX Michigan 260 XXXXXXXXXXXXXXXXX Michigan Territory 265 XXX Minnesota 270 XXXXXXXXXXXXXXX Minnesota Territory 275 X Mississippi 280 XXXXXXXXXXXXXXXXXXX Mississippi Territory 285 XX Missouri 290 XXXXXXXXXXXXXXXXXX Missouri Territory 295 X Montana 300 XXXXXXXXXXXX Montana Territory 305 XX Nebraska 310 XXXXXXXXXXXXXX
Last Updated August 2011 This summary pdf has not been updated to reflect changes in the availability of Census 2010 and American Community Survey data. Changes coming soon!
NHGIS
Code 2000 1990 1980 1970 1960 1950 1940 1930 1920 1910 1900 1890 1880 1870 1860 1850 1840 1830 1820 1810 1800 1790 Nebraska Territory 315 X Nevada 320 XXXXXXXXXXXXXX New Hampshire 330 XXXXXXXXXXXXXXXXXXXXXX New Jersey 340 XXXXXXXXXXXXXXXXXXXXXX New Mexico 350 XXXXXXXXX New Mexico Territory 355 XXXXXXX New York 360 XXXXXXXXXXXXXXXXXXXXXX North Carolina 370 XXXXXXXXXXXXXXXXXXXXXX North Dakota 380 XXXXXXXXXXXX Northwest Territory 385 XX Ohio 390 XXXXXXXXXXXXXXXXXXXX Oklahoma 400 XXXXXXXXXX Oklahoma Territory 405 XX Oregon 410 XXXXXXXXXXXXXXX Oregon Territory 413 X Orleans Territory 417 X Pennsylvania 420 XXXXXXXXXXXXXXXXXXXXXX Rhode Island 440 XXXXXXXXXXXXXXXXXXXXXX South Carolina 450 XXXXXXXXXXXXXXXXXXXXXX South Dakota 460 XXXXXXXXXXXX Southwest Territory 465 X Tennessee 470 XXXXXXXXXXXXXXXXXXXXX Texas 480 XXXXXXXXXXXXXXXX Utah 490 XXXXXXXXXXX Unorganized Territory 493 X XXX Utah Territory 495 XXXXX Vermont 500 XXXXXXXXXXXXXXXXXXXXXX Virginia 510 XXXXXXXXXXXXXXXXXXXXXX Washington 530 XXXXXXXXXXXX Washington Territory 535 XXX West Virginia 540 XXXXXXXXXXXXXX Wisconsin 550 XXXXXXXXXXXXXXXX Wisconsin Territory 555 X Wyoming 560 XXXXXXXXXXXX Wyoming Territory 565 XX
Last Updated August 2011