Monongahela

City in Washington County, Pennsylvania

View of Monongahela, Pennsylvania
Photo: Nyttend · Public domain

Monongahela is a city in Washington County, Pennsylvania, with 4,159 residents (2020 Census). It sits at 755 ft (230 m) above sea level. The nearest town is Carroll, 1.0 miles S.

About Monongahela

Monongahela, referred to locally as Mon City, is a third-class city in Washington County, Pennsylvania, United States. The population was 4,149 at the 2020 census. It is part of the Pittsburgh metropolitan area, about 17 miles (27 km) south of Pittsburgh proper.

The city of Monongahela sits at a location where several locally important Pennsylvania state routes meet: a concurrency between Pennsylvania routes 88, 136, and 837 makes up most of the length of the city's Main Street, and the city's Park Avenue carries Pennsylvania route 481 to its northern terminus at Main Street.

Monongahela is one of just two cities in Washington County, and is the second smallest city in Pennsylvania (after Parker). The town is served by the Ringgold School District.

Text: Wikipedia · CC BY-SA 4.0

Monongahela weather: 7-day forecast

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Living in Monongahela

Median household income
$59,861
Median home value
$114,300
Median rent
$818/mo
Median age
43
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Map of Monongahela

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Monongahela Street View

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Monongahela, PA population

Monongahela had 4,159 residents in the 2020 Census.

2020 Census4,159
Density2,174 per sq mi (839 per km²)

Source: U.S. Census Bureau, Decennial Census.

Monongahela at a glance

StatePennsylvania (PA)
CountyWashington County
TypeCity
Population4,159 (2020)
Land area1.91 sq mi (5.0 km²)
Water area0.17 sq mi (0.45 km²)
Elevation755 ft (230 m)
Coordinates40.1912° N, 79.9225° W
ZIP code15063
Official websitecityofmonongahela-pa.gov
Census code (GEOID)4250408

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Monongahela

Straight-line distance between town centers.

Frequently asked questions about Monongahela

What county is Monongahela in?

Monongahela is in Washington County, Pennsylvania.

What is the population of Monongahela, PA?

4,159 people lived in Monongahela at the 2020 Census.

What is the ZIP code of Monongahela, PA?

The ZIP code of Monongahela is 15063.

What is the elevation of Monongahela?

755 feet (230 m) above sea level.

What towns are near Monongahela?

Carroll (1.0 mi), Wickerham Manor-Fisher (1.2 mi), Baidland (1.7 mi), New Eagle (2.0 mi), North Charleroi (2.9 mi).

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