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Monongahela, colloquially "Mon City", is a City in Washington County, Pennsylvania, United States (ZIP code 15063) and is part of the Pittsburgh, Pennsylvania, Metropolitan Statistical Area, located approximately 17mi south of the city proper. The population was 4,300 at the 2010 census.One of only two cities in Washington County, and the second smallest city in Pennsylvania (after Parker, Pennsylvania), Monongahela sits at the intersection of Pennsylvania state routes 136, 88, and 837, all of which constitute the city's Main Street. The City is served by Ringgold School District.Monongahela is known for its Aquatorium, a 3,000 seat amphitheater style venue built on the Monongahela River. According to its website, the Aquatorium is the first of its kind venue in the United States.Geography & climateMonongahela is located at .According to the United States Census Bureau, the city has a total area of 2.1sqmi, of which, 1.9sqmi of it is land and 0.2sqmi of it is water.The city receives 37.65in of rainfall annually and has a mean annual temperature of 63°F.DemographicsAs of the census of 2000, there were 4,761 people, 2,139 households, and 1,264 families residing in the city. The population density was 2,472.4 people per square mile (952.5/km²). There were 2,382 housing units at an average density of 1,237.0 per square mile (476.5/km²). The racial makeup of the city was 94.94% White, 3.26% African American, 0.08% Native American, 0.19% Asian, 0.42% from other races, and 1.11% from two or more races. Hispanic or Latino of any race were 0.71% of the population.Monongahela is in Pennsylvania (PA). Make Monongahela central to your United States travel plans using our United States trip itinerary site .
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