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Welcome to Blair County ...

Time Zone: Blair County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Hollidaysburg is the Seat for Blair County.

Blair County was founded February 26, 1846. Blair was created by taking area from Huntingdon and Bedford Counties.

From the Census Estimates for 2019, <1> Blair had a population of 121,829 people. This is a decrease of 4.11% since the last Census (which gave a population of 127,045 people in 2010).

At the time of the 2010 Census, Blair represented 1% of the total population of Pennsylvania.

Below are some of the communities located in Blair County:

  • Altoona
    (2 miles [3.2 km] to the north)
    • Altoona is located in Blair County (PA)
    • Jump to our Gazetteer entry for Altoona
    • Population from the 2020 Census: 42,989 people
    • Jump to TripAdvisor's Tourism page for Altoona <2>
  • Bellwood
    (8 miles [12.9 km] to the north)
  • Duncansville
    (4 miles [6.4 km] to the southwest)
  • Hollidaysburg
    (3 miles [4.8 km] to the south)
  • Martinsburg
    (11 miles [17.7 km] to the south)
  • Newry
    (6 miles [9.7 km] to the southwest)
    • Newry is located in Blair County (PA)
    • Jump to our Gazetteer entry for Newry
    • Population from the 2020 Census: 307 people
    • Jump to TripAdvisor's Tourism page for Newry <2>
  • Roaring Spring
    (9 miles [14.5 km] to the south)
  • Tyrone
    (15 miles [24.1 km] to the northeast)
    • Tyrone is located in Blair County (PA)
    • Jump to our Gazetteer entry for Tyrone
    • Population from the 2020 Census: 5,095 people
    • Jump to TripAdvisor's Tourism page for Tyrone <2>
  • Williamsburg
    (9 miles [14.5 km] to the east)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.