Blue Knob, Pennsylvania

For the northernmost 3,000-footer summit in the Allegheny Mountains, see Blue Knob (Pennsylvania).

Blue Knob, Pennsylvania
Census-designated place
Blue Knob Show map of Pennsylvania Blue Knob Show map of the United States
Coordinates: 40°21′10″N 78°33′12″W
Country	United States
State	Pennsylvania
County	Blair
Township	Juniata
Area [1]
• Total	0.09 sq mi (0.23 km^2)
• Land	0.09 sq mi (0.23 km^2)
• Water	0.00 sq mi (0.00 km^2)
Elevation [2]	2,379 ft (725 m)
Population  (2020)[3]
• Total	56
• Density	615.38/sq mi (238.80/km^2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Codes	15946 (Portage) 16635 (Duncansville)
Area codes	814/582
FIPS code	42-07272
GNIS feature ID	2805467[2]

Blue Knob is an unincorporated community and census-designated place (CDP) in Blair County, Pennsylvania, United States. It was first listed as a CDP prior to the 2020 census.^[2]

The CDP is in southwestern Blair County, at the southern end of Juniata Township. It stands atop the Allegheny Front at 2,370 feet (720 m) elevation, approximately 1 mile (1.6 km) southeast of the Eastern Continental Divide. Pennsylvania Route 164 passes through the community, leading east down the Front 7 miles (11 km) to East Freedom and west 8 miles (13 km) to Portage. Knob Road leads south from the CDP 5 miles (8 km) to Blue Knob State Park, atop Blue Knob, the second-highest peak in Pennsylvania.

Demographics

Historical population

Census	Pop.	Note	%±
2020	56		—
U.S. Decennial Census[4][3]

Education

The school district is Hollidaysburg Area School District.^[5]

References

1. "ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 12, 2022.
2. U.S. Geological Survey Geographic Names Information System: Blue Knob, Pennsylvania
3. "Census Population API". United States Census Bureau. Retrieved October 12, 2022.
4. "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
5. "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Blair County, PA" (PDF). U.S. Census Bureau. Retrieved January 2, 2025. - Text list