Blair County , Pennsylvania

Blair County: County in Pennsylvania, United States

Blair County locator map
Location of Blair County on Pennsylvania map.

About

Blair County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 127,089 and a population density of 93 people per km². After 10 years in 2020 county had an estimated population of 2,020 inhabitants. Its county seat is Hollidaysburg. The county was created 175 years ago in 1846.

Blair County Courthouse Apr 10 image
Blair County Courthouse Apr 10
Blair County Courthouse Apr 10 image

Geography

Blair County is located at 40°28'52"N 78°20'55"W (40.4810000, -78.3486000). It has 5 neighbors: Bedford County, Cambria County, Centre, Clearfield County and Huntingdon County.

Blair County map

The largest city of Blair County is Altoona with a population of 42,989. Other cities include, Hollidaysburg population 5,632, Tyrone population 5,095, Westmont population 4,625 and Roaring Spring population 2,399. See all Blair County cities & populated places.

Weather

Blair County forecast: Sunny, with a high near 75. more

Blair County Quick Facts

Population : 121,007 (2020)
Country : United States of America
State : Pennsylvania (United States)
Area : 1365 km2
Water as percent of area : 0.2%
Land as percent of area : 99.8%
Named for : John Blair
Altitude : 1,565 feet / 477 meters
Capital : Hollidaysburg
Establishment : February 02, 1846
Time Zone : America/New_York
Local time : 18:40:26 (19th September 2021)
Density : 89 Pop. per km² as of 2020
Population growth : -5.03% (2010-2020)
Weather : 75℉ Sunny 7-days weather

Blair County has 5 neighbours.

Demographics

According to census records, the population of Blair County decreased by 5.03% in 10 years.

Year Population % Change Method
2010 127,089 - census
2011 126,970 -0.09% estimation process
2012 126,544 -0.34% estimation process
2013 125,836 -0.56% estimation process
2014 125,274 -0.45% estimation process
2015 124,596 -0.54% estimation process
2016 123,708 -0.72% estimation process
2017 123,147 -0.46% estimation process
2018 122,503 -0.53% estimation process
2019 121,829 -0.55% estimation process
2020 121,007 -0.68% estimation process

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People born in Blair County (3)

People born in Blair County, including politician David A. De Armond, United States Navy sailor and Medal of Honor recipient John Williams, Civil War Medal of Honor recipient John Hickman (sailor), you can see a list of people who born in Blair County.

Other places with the same name (1)

Blair County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Blair County.

City Name Population Title
Altoona 42,989 City in Blair County, Pennsylvania
Frankstown 7,193 Township in Blair County, Pennsylvania
Hollidaysburg 5,632 Borough of Blair County, Pennsylvania, United States
Tyrone 5,095 Borough in Blair County, Pennsylvania, United States
Westmont 4,625 Borough of Pennsylvania
Roaring Spring 2,399 Borough of Pennsylvania
Martinsburg 1,858 Borough of Pennsylvania
Bellwood 1,751 Borough in Blair County, Pennsylvania, United States
Claysburg 1,625 Census designated place
Duncansville 1,148 Borough of Pennsylvania
Beavertown 958 Borough in western Snyder County, Pennsylvania
Newry 307 Borough of Pennsylvania

Pennsylvania Other Counties (more counties)

County Name Population Title
Philadelphia County 1,578,487 County in Pennsylvania, United States
Philadelphia 1,578,487 Largest city in Pennsylvania, United States
Allegheny County 1,211,358 County in the southwestern part of the U.
Montgomery County 833,869 County in Pennsylvania, United States
Bucks County 627,987 County in Pennsylvania, United States
Delaware County 566,753 County in Pennsylvania, United States
Lancaster County 546,192 County in Pennsylvania, United States
Chester County 526,759 County in Pennsylvania, United States
York County 450,448 County in Maine, United States
Berks County 421,017 County in Pennsylvania, United States
Croydon 385,346 London borough in South London
Lehigh County 370,802 County in Pennsylvania, United States of America
Westmoreland County 347,087 County in Pennsylvania, United States
Luzerne County 316,982 County in Pennsylvania, United States
Northampton County 305,892 County in Pennsylvania, United States
Pittsburgh 299,226 County seat in Allegheny County, Pennsylvania, United States