Blair County Population 2017

Blair County's estimated population is 124,650 with a growth rate of -0.68% in the past year according to the most recent United States census data. Blair County is the 28th largest county in Pennsylvania.

Year Population Growth Growth Rate
2016124,650-856-0.68%
2015125,506-513-0.41%
2014126,019-400-0.32%
2013126,419-572-0.45%
2012126,991-187-0.15%
2011127,1781250.10%
2010127,053-3,489-2.67%
1990130,542-6,079-4.45%
1980136,6211,2650.93%
1970135,356-1,914-1.39%
1960137,270-2,244-1.61%
1950139,514-844-0.60%
1940140,3585180.37%
1930139,84011,5068.97%
1920128,33419,47617.89%
1910108,85823,75927.92%
190085,09914,23320.08%
189070,86618,12634.37%
188052,74014,68938.60%
187038,05110,22236.73%
186027,8296,05227.79%
185021,7770.00%

Blair County Population Growth

Population Data via

Blair County Race Data

Race Population Percentage
White120,39996.59%
Black or African American2,2831.83%
Two or More Races1,7001.36%
Asian9030.72%
American Indian and Alaska Native1870.15%
Native Hawaiian and Other Pacific Islander340.03%

Blair County Population Pyramid

0k1k2k3k4k5kBlair County Male Population0k1k2k3k4k5kBlair County Female Population

Population of Cities in Blair County

City 2010 Census 2016 Estimated Growth Growth Rate
Altoona4598444589-1395-3.03%
Hollidaysburg57905757-33-0.57%
Tyrone54775301-176-3.21%
Roaring Spring25832513-70-2.71%
Martinsburg19561894-62-3.17%
Bellwood18241768-56-3.07%
Williamsburg12541209-45-3.59%
Duncansville12331193-40-3.24%
Newry270266-4-1.48%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990