"The United States Constitution mandates that a census be counted every ten years. This census is used to determine the makeup of state legislatures, local school boards, and other government bodies and to determine how many seats each state will have in the U.S. House of Representatives. The Church also uses census data for planning purposes.
In a letter to be read in all U.S. congregations of The Church of Jesus Christ of Latter-day Saints, the First Presidency urged Mormons to participate in the 2010 United States Census:
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