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The United States population almost quadrupled during the 20th century—at a growth rate of about 1.3% a year—from about 76 million in 1900 to 281 million in 2000. [25] It is estimated to have reached the 200 million mark in 1967, and the 300 million mark on October 17, 2006.
The number shown is the average annual growth rate for the period. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship—except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of the country of origin ...
As the United States has grown in area and population, new states have been formed out of U.S. territories or the division of existing states. The population figures provided here reflect modern state boundaries. Shaded areas of the tables indicate census years when a territory or the part of another state had not yet been admitted as a new state.
The United States population grew by 3.3 million people this year, ... The nearly 1% increase marked the sharpest annual growth in population since 2001, the bureau said, bringing the nation's ...
The United States has diverse populations, with movement and growth occurring across its vast landscape. ... Top 10 states with the fastest population growth rate. South Carolina 1.7%. Florida 1.6 ...
New data predicts population decline after 2080.
The states and territories included in the United States Census Bureau's statistics for the United States population, ethnicity, and most other categories include the 50 states and Washington, D.C. Separate statistics are maintained for the five permanently inhabited territories of the United States: Puerto Rico, Guam, the U.S. Virgin Islands ...
Richard Easterlin, an economist who has researched economic growth in the United States, explains the growth pattern of the American population in the 20th century through fertility rate fluctuations and the decreasing mortality rate. Easterlin has attempted to explain the cause of the Baby Boom and Baby Bust through the "relative income" theory.