1850: 1624 table rows, boundaries 1850 (1632 polygons), unjoined 6 (94,598 farm acres): Colusa-Shasta-Trinity [multi-county reporting area], California, Wahnahta-Mankahta [multi-county reporting area], Minnesota Territory, Starr, Texas, Webb, Texas, Adams-Sauk [multi-county reporting area], Wisconsin, Chippewa-Crawford [multi-county reporting area], Wisconsin 1860: 2098 table rows, boundaries 1860 (2126 polygons), unjoined 3 (nan farm acres): Madison, Nebraska Territory, Menora, Texas, Walade, Utah Territory 1870: 2315 table rows, boundaries 1870 (2334 polygons), unjoined 5 (506 farm acres): Grant (old), Nebraska, Lyon, Nebraska, Taylor, Nebraska, Unorganized NW Territory, Nebraska, Rio Virgin, Nevada 1880: 2611 table rows, boundaries 1880 (2612 polygons), unjoined 1 (nan farm acres): Fort Sisseton, Dakota Territory 1890: 2799 table rows, boundaries 1890 (2797 polygons), unjoined 7 (4,000 farm acres): Klamath, California, Greenwood, Colorado, Carroll, Louisiana, Unorganized Territory, Nebraska, Rio Virgin, Nevada, Roop (annexed by Washoe 1886), Nevada, Bexar District, Texas 1900: 2909 table rows, boundaries 1900 (2840 polygons), unjoined 70 (5,483,058 farm acres): Colorado River Indian Reservation, Arizona Territory, Fort Apache Indian Reservation, Arizona Territory, Gila Bend Indian Reservation, Arizona Territory, Gila River and Salt River Indian Reservations, Arizona Territory, Moqui Indian Reservation, Arizona Territory, Navaho Indian Reservation, Arizona Territory, Papago Indian Reservation, Arizona Territory, San Carlos Indian Reservation, Arizona Territory 1910: 2970 table rows, boundaries 1910 (2954 polygons), unjoined 18 (429,603 farm acres): Indian Reservations [multi-reservation reporting area], Arizona Territory, Indian Reservations [multi-reservation reporting area], California, Indian Reservations [multi-reservation reporting area], Colorado, Indian Reservations [multi-reservation reporting area], Idaho, Indian Reservations [multi-reservation reporting area], Kansas, White Earth Indian Reservation, Minnesota, Indian Reservations [multi-reservation reporting area], Montana, Indian Reservations [multi-reservation reporting area], Nevada 1920: 3066 table rows, boundaries 1920 (3066 polygons), unjoined 1 (nan farm acres): All Other Independent Cities, Virginia 1925: 3072 table rows, boundaries 1930 (3102 polygons), unjoined 0 (nan farm acres): 1930: 3149 table rows, boundaries 1930 (3102 polygons), unjoined 47 (126 farm acres): All Other Counties, Alabama, All Other Counties, Arizona, All Other Counties, Arkansas, All Other Counties, California, All Other Counties, Colorado, All Other Counties, Connecticut, All Other Counties, Florida, All Other Counties, Georgia 1935: 3101 table rows, boundaries 1930 (3102 polygons), unjoined 1 (16,340 farm acres): All Other Independent Cities, Virginia 1940: 3100 table rows, boundaries 1940 (3100 polygons), unjoined 0 (nan farm acres): 1950: 3104 table rows, boundaries 1950 (3103 polygons), unjoined 1 (13,415 farm acres): Independent Cities [multi-city reporting area], Virginia Land area source by year: land_src census polygon year 1850 854 764 1860 1211 884 1870 1576 734 1880 2035 575 1890 2463 329 1900 2529 310 1910 2727 225 1920 3065 0 1925 3072 0 1930 3101 1 1935 3099 1 1940 3098 2 1950 3086 17 Counties with farm or improved land > 100% of land area (census assigns ranch acreage to the headquarters county): 1850: 33: Rural Washington county, District Of Columbia (215%), Franklin, Florida (208%), Baldwin, Georgia (117%), Columbia, Georgia (104%), Elbert, Georgia (106%), Henry, Georgia (104%) 1860: 64: Leon, Florida (144%), Bulloch, Georgia (101%), Butts, Georgia (104%), Columbia, Georgia (104%), Coweta, Georgia (103%), Elbert, Georgia (126%) 1870: 30: Jasper, Georgia (103%), Liberty, Georgia (103%), Quitman, Georgia (105%), Schley, Georgia (106%), Twiggs, Georgia (108%), Washington, Georgia (106%) 1880: 56: Campbell, Georgia (103%), Lincoln, Georgia (100%), Talbot, Georgia (104%), Troup, Georgia (101%), Kane, Illinois (102%), Putnam, Indiana (101%) 1890: 16: Rockdale, Georgia (106%), Sumter, Georgia (102%), Magoffin, Kentucky (108%), Perry, Kentucky (104%), Simpson, Kentucky (105%), Wolfe, Kentucky (101%) 1900: 101: Merced, California (117%), Orange, California (127%), Sacramento, California (103%), Rockdale, Georgia (103%), Benton, Iowa (101%), Fremont, Iowa (101%) 1910: 30: Fleming, Kentucky (103%), Magoffin, Kentucky (102%), Mason, Kentucky (102%), Scott, Kentucky (101%), Simpson, Kentucky (107%), Alleghany, North Carolina (100%) 1920: 16: Simpson, Kentucky (105%), Grant, Nebraska (113%), Hamblen, Tennessee (108%), Loudon, Tennessee (103%), Trousdale, Tennessee (108%), Bee, Texas (121%) 1925: 18: Adams, Iowa (101%), Mason, Kentucky (101%), Spencer, Kentucky (100%), Grant, Nebraska (128%), Yadkin, North Carolina (102%), Kay, Oklahoma (101%) 1930: 30: Macon, Georgia (105%), Pawnee, Kansas (103%), Harrison, Kentucky (100%), Simpson, Kentucky (108%), Grant, Nebraska (139%), Garfield, Oklahoma (105%) 1935: 43: Fulton, Georgia (171%), Macon, Georgia (103%), Humboldt, Iowa (100%), Page, Iowa (100%), Pawnee, Kansas (103%), Riley, Kansas (100%) 1940: 52: Otero, Colorado (120%), Edwards, Kansas (103%), Ford, Kansas (103%), McPherson, Kansas (101%), Pawnee, Kansas (101%), Rawlins, Kansas (100%) 1950: 82: Navajo, Arizona (119%), Arapahoe, Colorado (103%), Phillips, Colorado (111%), DeSoto, Florida (132%), Glades, Florida (111%), Thomas, Georgia (100%)