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and has the highest population of the four-county MSA. As of the 2020 census, the population was 256,526. Jefferson County has the highest percentage of African Americans in the state of Texas.

Geography

According to the U.S. Census Bureau, the county has a total area of 1113 sqmi, of which 876 sqmi is land and 236 sqmi (21%) is water.

Jefferson County is on the plains of the Texas

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