Allegheny County is a county located in the U.S. state of Pennsylvania. As of 2000, the population was 1,281,666. The county seat is Pittsburgh, Pennsylvania. The county forms the nucleus of the Pittsburgh Metropolitan Statistical Area.
The first Europeans to enter the area were the French in 1749. Captain Pierre Joseph de Celeron, sieur de Blainville claimed the Ohio Valley and all of Western Pennsylvania for Louis XV of France. The captain travelled along the Ohio and Allegheny Rivers inserting lead plates in the ground to mark the land for France.
Since most of the towns in that time were developed along waterways, both the French and the British desired control over the rivers in the area. So the British sent Major George Washington to try to compel the French to leave their posts, with no success. Having failed in his mission he returned, crossing the ice-filled Allegheny River where he almost drowned. In 1754 the English tried again to enter the area. This time, they sent 41 Virginians to build Fort Prince George. The French got news of the fort and sent an army to take over the fort. The French resumed building on the incomplete fort and fortified it. They renamed the fort to Fort Duquesne.
The loss of the fort cost the English dearly because Fort Duquesne became one of the focal points of the French and Indian War. The first attempt to retake the fort, by General Edward Braddock, failed miserably. It was not until General John Forbes attacked in 1758, four years after they had lost the fort, that they recaptured and destroyed the fort. They built a new fort with a moat and named it Fort Pitt.
Both Pennsylvania and Virginia claimed the region that is now Allegheny County. Pennsylvania administered most of the region as part Westmoreland County. Virginia considered everything south of the Ohio River and east of the Allegheny River to be part of its Yohogania County and governed it from Fort Dunmore. The overlapping boundaries, dual governments, and multiple deed claims soon proved unworkable. In 1780, the two states agreed to extend the Mason-Dixon line westward and the region became part of Pennsylvania. From 1781 until 1788, much of what had been claimed as part of Yohogania County, Virginia was administered as a part of the newly created Washington County, Pennsylvania.
Allegheny County was officially created on September 24, 1788 from parts of Washington and Westmoreland Counties. It was formed due to pressure from settlers living in the area around Pittsburgh, which became the county seat in 1791. The county originally extended all the way to the shores of Lake Erie and became the "mother county" for most of what is now northwestern Pennsylvania. By 1800, the county's current borders were set.
In the 1790s, a whiskey excise tax was imposed by the United States Federal Government. This started the so-called Whiskey Rebellion when the farmers who depended on whiskey income refused to pay and drove off a local town's marshal. After many demonstrations by farmers, President George Washington arrived with troops to stop the rebellion.
The area developed rapidly throughout the 19th to become the center of steel production in the nation. Pittsburgh would later be labelled as the "Steel Capital of the World."
Before January 1, 2000, there were 3 county commissioners. These were replaced with an elected chief officer (the county executive), a county council with 15 members (13 elected by district, 2 elected county-wide), and an appointed county manager. The changes were intended to maintain a separation of powers between the executive and legislative branches while providing the citizens with greater control over the government.
The county has 130 municipalities with their own governmental setup. The county has one Second Class City (Pittsburgh) and 3 Third Class Cities (Clairton, Duquesne, and McKeesport).
A 2004 study by the University of Pittsburgh stated that Allegheny County would be better served by consolidating the southeastern portion of the county (which includes many small, poor communities) into one large municipality, called "Rivers City", which would have a combined population of approximately 250,000. *
According to the U.S. Census Bureau, the county has a total area of 1,929 km² (745 mi²). 1,891 km² (730 mi²) of it is land and 38 km² (15 mi²) of it (1.95%) is water.
There were 537,150 households out of which 26.40% had children under the age of 18 living with them, 46.10% were married couples living together, 12.40% had a female householder with no husband present, and 38.10% were non-families. 32.70% of all households were made up of individuals and 13.20% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.96.
In the county, the population was spread out with 21.90% under the age of 18, 8.50% from 18 to 24, 28.30% from 25 to 44, 23.40% from 45 to 64, and 17.80% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 90.00 males. For every 100 females age 18 and over, there were 86.20 males.
The area quickly became one of the key manufacturing areas in the young country. Pittsburgh quickly became the largest inland port in the nation, which it remains today. Coupled with deposits of iron and coal and the easy access to waterways, the city quickly became one of the most important steel producing areas in the world.
With the decline of the steel industry, the area shifted to other industries. Today the area is known for its hospitals, universities, and industrial centers. Because of this, the city is the home to a number of large companies such as the H J Heinz Corporation.
For information about roads, see list of State Routes in Allegheny County, Pennsylvania and Pittsburgh/Allegheny County Belt System.
Allegheny County, Pennsylvania | Ohio River counties | Pennsylvania counties
Алегени | Allegheny County | Condado de Allegheny | Округ Аллегейни
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"Allegheny County, Pennsylvania".
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