Upper Saint Clair, Pennsylvania

Upper Saint Clair: home rule municipality in Allegheny County

About

Upper Saint Clair is a city located in the county of Allegheny in the U.S. state of Pennsylvania. Its population at the 2010 census was 19,229 and a population density of 1,962 people per km². After 10 years in 2020 city had an estimated population of 19,896 inhabitants.

The city was created 196 years ago in 1829.

Upper Saint Clair locator map
Location of Upper Saint Clair on Pennsylvania map.

Quick Facts about Upper Saint Clair

Population 19,896 (2020)
Country United States of America
State Pennsylvania (United States)
County Allegheny County
Different from East St. Clair Township
Area 9.8 km2
Latitude & Longitude 40.3359,-80.0834
Establishment January 01, 1830 (196 years ago)
Time Zone America/New_York
Local time 21:59:21 (22nd April 2026)
Density 2,030 Pop. per km² as of 2020
Population growth 3.35% (2010-2020)
Weather 69℉ Scattered Showers And Thunderstorms 7-days weather
FultonLogHouse image
FultonLogHouse image

Geography

Upper Saint Clair is located at 40°20'9"N 80°5'0"W (40.3359000, -80.0833900).

Upper Saint Clair map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

69°F
Scattered Showers And Thunderstorms
9 mph W Wednesday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an...

7-Day Forecast

Demographics

The population of Upper Saint Clair increased by 3.35% in 10 years.

Year Population % Change Method
2010 19,229 - census
2011 19,356 0.66% estimation process
2012 19,372 0.08% estimation process
2013 19,412 0.21% estimation process
2014 19,395 -0.09% estimation process
2015 19,634 1.22% estimation process
2016 19,817 0.92% estimation process
2017 19,732 -0.43% estimation process
2018 19,748 0.08% estimation process
2019 19,744 -0.02% estimation process
2020 19,896 0.76% estimation process
Upper Sainte Clair, Upper St. Clair

People born in Upper Saint Clair (2)

People born in Upper Saint Clair, including football offensive tackle Chad Beasley, actor Wynn Harmon, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to Upper Saint Clair, PA. Select a name to open its map and contact details.

Code Name City ZIP
216074 South Hills Beauty Academy Pittsburgh (PA) 15216

Nearby Transit Stations (7)

Rail and bus stations connected to Upper Saint Clair, PA. Select a station to open its map and address details.

Code Name Address Type
PGH Union Station 1100 Liberty Avenue RAIL
GNB Greensburg Harrison Ave. and Seton Hill Dr. RAIL
COV Connellsville station North Water Street and West Peach Street RAIL
LAB Latrobe station 329 McKinley Ave RAIL
JST Johnstown 47 Walnut Street RAIL

Closest post offices linked to Upper Saint Clair.

Post Office Name City ZIP
Upper Saint Clair Post Office Pittsburgh (PA) 15241

Other cities in Allegheny County

Cities, towns, neighborhoods & other populated places in Allegheny County , PA. (more)

City Name Population Title
Pittsburgh 299,226 The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area.
Bethel Park 32,118 Home rule municipality of Pennsylvania
Mount Lebanon 31,418 Municipality in Pennsylvania
Monroeville 28,176 City in Alabama, United States
Plum 26,993 Borough of Pennsylvania
Moon 25,204 Township in Allegheny County, Pennsylvania
Unity 21,600 Township in Westmoreland County, Pennsylvania, United States
West Mifflin 19,588 Borough of Pennsylvania
McKeesport 18,927 City in Allegheny County, Pennsylvania, United States
Wilkinsburg 15,186 Borough of Pennsylvania
Franklin Park 14,883 Borough of Pennsylvania
Cecil 13,220 Township in Washington County, Pennsylvania
Elizabeth 11,494 Borough in Pennsylvania, United States
Jefferson Hills 11,136 Borough of Pennsylvania
Munhall 10,930 Borough of Pennsylvania
Douglass 10,582 Township in Montgomery County, Pennsylvania

Distance to Other Cities

Upper Saint Clair distances to largest Pennsylvania cities