6. Pittsburgh, PA

Population: 311,647

Population Change 2000-2009: -22,056

Population Percent Change 2000-2009: -6.61%

Home Vacancy: 14.1%

In the past few decades, the city changed to a technology-based economy, but the population is still on the decline. Since 1950, Pittsburgh’s population has declined by more than 50%.

MORE FROM HIP-HOP WIRED