Roanoke County, Virginia is located in the Alleghany Health District. It has 250.5 square miles of land area and is the 79th largest county in Virginia by total area. It is bordered by Montgomery, Craig, Roanoke City, Bedford, Salem City, Franklin, Floyd, and Botetourt Counties. There are 22 census tracts in the county. The county FIPS number is 51161.
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