Allegheny County, Pennsylvania

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Open an interactive map for Allegheny and the surrounding area.

Time Zone: Allegheny County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Pittsburgh is the seat for Allegheny County.

Allegheny County was founded September 24, 1788. Allegheny was created by taking area from Westmoreland and Counties.

Using the Census estimates for 2008 ^<1>, Allegheny had a population of 1,215,103 people. This is a decrease of 5.06% since the 2000 Census, which gave a population of 1,279,914 people.

At the time of the 2000 Census, Allegheny represented 10.42% of the total population of Pennsylvania, making it the state's 2nd most populous county (out of 67 counties).

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated. More information can be found on the Allegheny County Census page.

Year	Population	Change Since 2000	Year-to-Year Change
2008	1,215,103	-5.07%	-0.27% since 2007
2007	1,218,429	-4.81%	-0.4% since 2006
2006	1,223,379	-4.42%	-0.75% since 2005
2005	1,232,587	-3.7%
---
2000	1,279,959	The Last Census

Below are some of the communities located in Allegheny County (for more communities, please visit our Nearby Page):

Community	2008 Population	2000 Population	Change (2008 vs. 2000)
Pittsburgh	310,037	334,563	7.33% decrease
Monroeville	27,639	29,349	5.83% decrease
Moon	--	22,340
McKeesport	22,130	24,040	7.95% decrease
Unity	--	21,158

The Commemorative
Quarter for
Pennsylvania ^<2>

Search for Local Businesses

We have prepared the following searches to help you find businesses, travel and vacation activities. It's likely that the search results won't include all of the businesses that are in this area, but the results should give you a good foundation for further searches.

For what it's worth: In addition to helping you submit your own search, clicking 'Other...' will frequently (but not always) show you some popular searches for this area.

If you find an error or your business wasn't included in the results, please contact Google to help them resolve the issue (we simply link to 'Search-by-Location' and have no control over their results).

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Off-the-Road Links

The following websites contain collections of photos taken around Allegheny County:

Flickr.com

Panoramio.com

Looking for more websites and/or information centered on Allegheny? Please visit the Map Page for Allegheny.

Footnotes

<1>	On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census. For more information, please visit the U.S. Census Bureau. - Return to Citation
<2>	All Quarter-dollar coin images from the United States Mint. - Return to Citation

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Last Modified: 09 Sep 2009