PORTLAND — Maine’s population grew by 4.2 percent between 2000 and 2010, according to figures released today by the U.S. Census Bureau.

The state’s total population is 1,328,361, up from 1,274,923 a decade ago. Maine is the 41st most populous state, down from 40th in the previous census.

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Nationally, the population grew 9.7 percent to 308,745,538.

The number of House of Representatives seats for Maine remains unchanged at two.