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  2. Allegheny County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Allegheny_County,_Pennsylvania

    Allegheny County (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county , after Philadelphia County .

  3. List of counties in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_counties_in...

    (2,155 km 2) Erie County: 049: Erie: 1800: Parts of Allegheny County; attached to Crawford County until 1803. Lake Erie: 267,571: 799 sq mi (2,069 km 2) Fayette County: 051: Uniontown: 1783: Parts of Westmoreland County: The Marquis de Lafayette, French-born Revolutionary War general 123,915: 798 sq mi (2,067 km 2) Forest County: 053: Tionesta ...

  4. National Register of Historic Places listings in Allegheny ...

    en.wikipedia.org/wiki/National_Register_of...

    Location of Allegheny County in Pennsylvania. This is a list of the National Register of Historic Places listings in Allegheny County, Pennsylvania. This is intended to be a complete list of the properties and districts on National Register of Historic Places in Allegheny County, Pennsylvania, United States. The locations of National Register ...

  5. West Deer Township, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/West_Deer_Township...

    In 1788, the Pennsylvania Legislature created Allegheny County from some of Westmoreland and Washington counties and most of the Depreciation Lands north of the Ohio River and west of the Allegheny River. The county was expanded a year later. Of the county's then seven townships, Pitt Township comprised

  6. Greater Pittsburgh - Wikipedia

    en.wikipedia.org/wiki/Greater_Pittsburgh

    Greater Pittsburgh is the metropolitan area surrounding the city of Pittsburgh in Western Pennsylvania, United States. [4] The region includes Allegheny County, Pittsburgh's urban core county and economic hub, and seven adjacent Pennsylvania counties: Armstrong, Beaver, Butler, Fayette, Lawrence, Washington, and Westmoreland in Western Pennsylvania, which constitutes the Pittsburgh, PA ...

  7. Shaler Township, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Shaler_Township,_Pennsylvania

    The village of Glenshaw, Pennsylvania—at the center of what became Shaler Township—was established in the early 19th century, beginning with a log sawmill built by John Shaw, Sr. after he bought 600 acres (2.4 km 2) of land north of Pittsburgh in 1800. The area became known as "Shaw's Glen", and later Glenshaw.

  8. Allegheny County Sheriff's Office - Wikipedia

    en.wikipedia.org/wiki/Allegheny_County_Sheriff's...

    The Allegheny County Sheriff's Office is a law enforcement agency that serves Allegheny County, Pennsylvania, and is the largest sheriff's office in the state. The ACSO serves as a local arm of the Pennsylvania Unified Judicial System in a number of roles, including: court security, writ services, sales, prisoner transportation, issuing of firearm licenses and execution of warrants.

  9. Richland Township, Allegheny County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Richland_Township...

    The average household size was 2.67 and the average family size was 3.18. In the township the population was spread out, with 27.8% under the age of 18, 4.6% from 18 to 24, 28.5% from 25 to 44, 23.7% from 45 to 64, and 15.5% who were 65 years of age or older.