Texas' torrid growth over the past decade is paying off with a major boost in political clout — two additional congressional seats and electoral votes deepening its already massive influence in the nation's politics.

New U.S. Census Bureau figures released Monday confirm the relentless population boom in America's biggest red state. Since 2010, Texas has gained nearly 4 million residents — more than any other state in sheer numbers. For perspective, that's roughly the entire population of neighboring Oklahoma. And yet, some advocates say immigration concerns and lack of funding for education and encouragement of census participation may have led to Texans being undercounted.

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