Armstrong County is a county located in the U.S. state of Pennsylvania. As of the 2000 census, the population was 72,392. 2006 Census figures had the county's population at 70,096, which represents a 3% drop since 2000. It is located northeast of Pittsburgh and Allegheny County. Armstrong County was added to the Pittsburgh Metropolitan Statistical Area in 2003.
The county seat is Kittanning. The county was organized on March 12, 1800 from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who had represented Pennsylvania in the Continental Congress.
The County was named after Brigadier-General John Armstrong.
Armstrong County is home to the City of Parker, an incorporated third-class city, which was an oil boom town with a population rumored to be approximately 20,000 in 1873, but now is the "Smallest City in America" with a population under 800. Parker is located in the extreme northwest part of the county.
Iron was made in the Brady's Bend area of the county twenty years before there was a foundry in Pittsburgh doing so. Ford City is home to the plate-glass industry, as John Ford created the company which later became Pittsburgh Plate Glass.
Kittanning once boasted more millionnaires than anywhere else in Pennsylvania during the 1880s.
Leechburg was the first place in the United States to use natural gas for metallurgical purposes, in 1869. Natural gas was found while drilling for oil, and eventually introduced into the boilers and furnaces of Siberian Iron Works here.
Freeport, Leechburg and Apollo were communities built along the Pennsylvania Canal, which passed through on the Allegheny and Kiskiminetas Rivers, at the southern border of the county.
There were 29,005 households out of which 29.50% had children under the age of 18 living with them, 57.90% were married couples living together, 9.00% had a female householder with no husband present, and 29.20% were non-families. 25.90% of all households were made up of individuals and 13.70% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.95.
In the county, the population was spread out with 22.90% under the age of 18, 7.20% from 18 to 24, 27.60% from 25 to 44, 24.20% from 45 to 64, and 18.00% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.70 males. For every 100 females age 18 and over, there were 92.10 males.
As of April, 2008, Armstrong County had 20,390 persons registered as Republicans, and 20,227 persons registered as Democrats, with 2,947 voters registered in other parties.
Register of Wills and Recorder of Deeds:
Prothonotary and Clerk of Courts:
Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, Unincorporated communities in Pennsylvania, and, in at most two cases, towns. The following cities, boroughs and townships are located in Armstrong County: