Johnstown is a city in Cambria County, Pennsylvania, United States, west-southwest of Altoona, Pennsylvania and east of Pittsburgh. The population was 23,906 at the 2000 census. It is the principal city of the Johnstown, Pennsylvania, Metropolitan Statistical Area, which includes Cambria County. As of 2008, the Metropolitan Statistical Area had a population of 144,319 which makes it one of the top 10 in the state.

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