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is a census-designated place (CDP) in Harford County, Maryland, United States. The population was 23,378 at the 2000 census.
According to the United States Census Bureau, the CDP has a total area of 18.0 square miles (46.7 km²), of which, 17.9 square miles (46.4 km²) of it is land and 0.1 square miles (0.3 km²) of it (0.55%) is water.