Houston is the largest city in Harris County, Texas.
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No, Brewster County is the largest county in Texas at 6,193
square miles. Harris County is the largest county in Texas by
population (3,400,578 according to 2000 census).
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Pearland, Texas is in the county of Brazoria, which later turned
into Harris county. Pearland, Texas is in the county of Brazoria,
which later turned into Harris county.