2010 The twenty-third U.S. census reveals that the nation's population on April 1 is 308,745,538.Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: populationEra: 2001-2010 Read more about 2010
2000 The twenty-second U.S. census reveals that the nation's population on April 1 is 281,421,906Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 2000
1990 The twenty-first U.S. census reveals that on April 1 the nation's population is 248,709,873Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1990
1980 The twentieth U.S. census reveals that the nation's population on April 1 is 226,545,805.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1980
1970 The nineteenth U.S. census reveals the nation's population on April 1 is 203,302,032.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1970
1960 The eighteenth U.S. census reveals that the nation's population on April 1 is 179,323,175Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1960
1950 The seventeenth U.S. census reveals that on April 1 the nation's population is 150,697,361Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1950
1946 Post-war baby boom begins on January 1, reaches its peak in 1957 and ends in 1964.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1946
1940 The fifteenth U.S. census reveals that the nation's population on April 1 is 132,164,569.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1940
1930 The fifteenth U.S. census reveals that the nation's population on April 1 is 122,775,046.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1901-2000 Read more about 1930