| Oklahoma County Formation years | ||||||||||||||
| 1819 | 1820 | 1821 | 1824 | 1827 | 1828 | 1830 | 1832 | 1833 | 1835 | 1837 | 1839 | 1845 | 1848 | 1850 |
| 1851 | 1854 | 1855 | 1856 | 1860 | 1866 | 1867 | 1872 | 1873 | 1876 | 1878 | 1881 | 1883 | 1885 | 1886 |
| 1889 | 1890 | 1891 | 1892 | 1893 | 1895 | 1896 | 1898 | 1900 | 1901 | 1904 | 1905 | 1906 | 1907 | 1909 |
| 1912 | ||||||||||||||
| Oklahoma County Census Years | ||||||||||||||
| 1820 | 1830 | 1840 | 1850 | 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | 1920 | ||||
| Oklahoma Census Year with previous Census Year overlayed: | ||||||||||||||
| 1830 | 1840 | 1850 | 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | 1920 | |||||
| Oklahoma Census Year with Modern Map overlayed: | ||||||||||||||
| 1820 | 1830 | 1840 | 1850 | 1860 | 1870 | 1880 | 1890 | 1900 | 1910 | |||||
| Oklahoma Map Abbreviations | |||||
|---|---|---|---|---|---|
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unorg. = unorganized g. = gained w. = with fr. = from atmt. = attachment exch = exchanged nca.= non county area ch. = changed Ad - Adair Al - Alfalfa At - Atoka Bea - Beaver Bec - Beckham Bla - Blaine Bry - Bryan Cad - Caddo Can - Canadian |
Car - Carter Chk - Cherokee Cho - Choctaw Ci - Cimarron Cl - Cleveland Coa - Coal Com - Comanche Cot - Cotton Cra - Craig Cre - Creek Ctr - Custer Del - Delaware Dew - Dewey El - Ellis Gdy - Grady Gfd - Garfield Gnt - Grant |
Grr - Greer Gvn - Garvin Has - Haskell Hmn - Harmon Hpr - Harper Hu - Hughes Je - Jefferson Jo - Johnston Jsn - Jackson Kay - Kay Kin - Kingfisher Kio - Kiowa La - Latimer LF - Le Flore Li - Lincoln Log - Logan Lov - Love |
Maj - Major Mar - Marshall May - Mayes McI - McIntosh MCl - McClain MCu - MCurtain Mur - Murray Mus - Muskogee Nob - Noble Now - Nowata Okf - Okfuskee Okl - Oklahoma Okm - Okmulgee Os - Osage Ot - Ottawa Paw - Pawnee Pay - Payne |
Pit - Pittsburg Pon - Pontotoc Pot - Pottawatomie Pu - Pushmataha RM - Roger Mills Rrs - Rogers Sem - Seminole Seq - Sequoyah St - Stephens Te - Texas Til - Tillman Tsa - Tulsa Wag - Wagoner Wds - Woods Wdw - Woodward Wta - Washita Wtn - Washington |
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