Overview of Block Group 040521-1, Maricopa County, Arizona (Block Group)
Neighboring Block Groups:
Block Group 610800-1, Block Group 040519-1, Block Group 040523-1, Block Group 040514-1, Block Group 613400-1, Block Group 610900-2, Block Group 040520-2, Block Group 617400-2, Block Group 040519-2, Block Group 040519-3, Block Group 040506-3, Block Group 040506-4, Block Group 060801-4, Block Group 040518-5