Blair County

Altoona
Bellwood
Claysburg
Duncansville
Hollidaysburg
Martinsburg
Newry
Roaring Spring
Tipton
Tyrone
Williamsburg
DB-City :Blair County
HASC code :US-PA-BL
FIPS 6-4 code :42013
Capital :Hollidaysburg
Largest city :Altoona
Elevation :High : Martinsburg 1,407 ft
Low : Williamsburg 884 ft
Population :129,144
Land Area :526 sq mi
(1,362 km²)
Density :245.52/sq mi
(94.80/km²)
Time zone :UTC -5
Website :http://blair.sapdc.org