STATES ADMITTED INTO THE UNION SINCE ADOPTION OF THE CONSTITUTION-Continued Jan. 3, 1959 *211,000 302,583 400,481 591,004 Formed from territory ceded to the United States by Russia by treaty of Mar. 30, 1867. Aug. 21, 1959 *595,000 769,913 965,000 6,471 Formed from the territory of the Republic of Hawaii, annexed to the United States by act of Congress of July 7, 1898. By Public Law 204 of the 83d Cong, approved Aug 7, 1953 (67 Stat. 407), Congress corrected an oversight of one and a half centuries and formally admitted the State of Ohio to the Union, setting Mar. 1, 1803, as the effective date of admission. State Alaska 756,668 637,651 Area in Formation 69 Established under Art. I, sec. 8, clause 17 of Constitution. Territory originally ceded by [973] COMMONWEALTH OF PUERTO RICO, THE INSULAR POSSESSIONS, AND TRUST TERRITORY OF THE American Samoa. Virgin Islands. Trust Territory of the Pacific Islands. Northern Mariana Islands. Administered under jurisdiction of the Department of the Interior, with a locally drafted constitution and elected governor and legislature. Total 65 106 142 186 213 242 232 237 243 293 332 357 391 435 435 435 | 437 435 | 435 *Indicates representation of new States admitted after the respective decennial census apportionments. NOTE: The original apportionment of Representatives was established in 1787 by the Constitution. Subsequent apportionments based on the 1st Census through the 6th Census were as follows (number of census, date of act, and ratio of persons per Representative): 1st, Apr. 14, 1792, 33,000; 2d, Jan. 14, 1802, 33,000; 3d, Dec. 21, 1811, 35,000; 4th, Mar. 7, 1822, 40,000; 5th, May 22, 1832, 47,700; 6th, June 25, 1842, 70,680. Apportionment based on the 7th Census (1850) through the 12th Census (1900) was determined by the Vinton method, and for the 13th Census (1910) and 15th Census (1930) the method of major fractions was employed, there being no reapportionment in 1920. Apportionment based on the 16th Census (1940), the 17th Census (1950), and the 18th Census (1960), was determined by the method of equal proportions, a description of which may be found in S. Doc. 304, 76th Cong., 3d sess. |