 It also allowed states to abandon districts altogether and elect at least some representatives at large, which several states chose to do, including New York, Illinois, Washington, Hawaii, and New Mexico.For example, in the 88th Congress (in the early 1960s) 22 of the 435 representatives were elected at-large.Article One, Section 2, Clause 3 of the United States Constitution requires that seats in the United States House of Representatives be apportioned among the various states according to the population disclosed by the most recent decennial census, but only counting three-fifths of the slave population until the Fourteenth Amendment in 1868.