BLAIR COUNTY, PENNSYLVANIA

COUNTY SEAT:  Hollidaysburg    YEAR FOUNDED:  1846

 

Land Area

 526 square miles

 

2000 Population

 129,144 persons

Water Area

 1 square miles

 

 

 

County Area

  527 square miles

 

Population Density

 245 persons per square mile

 

 

 

 

 

Blair County contains a total land area of 527 square miles and according to the 2000 census contained a population of 129,144 persons.  This is a net decrease of 1,452 persons (1.11%) from the 1990 census of 130,596 persons.  The United States Census Bureau estimates the population of Blair County in 2004 to be 127,468, which continues the previous decade’s trend.