
Edward G. Acheson House · National Register of Historic Places
Monongahela’s story
257 years in pictures
Edward G. Acheson House is a National Historic Landmark, the National Register’s top tier.
Census counts: 752 in 1840, a peak of 8,922 in 1950, 4,159 in 2020. The archive holds 18 old photos and papers going back to 1815 and 7 maps from 1902 on.
4 places on the National Register of Historic Places.
- 1769Monongahela is founded
Explore the history →
Questions about Monongahela
Short answers, built from the data on this page.
Is Monongahela, PA a good place to live?
By most measures, yes. Monongahela grades B overall, better than 60% of U.S. towns and #586 of 1032 in Pennsylvania. It grades C+ for health, B+ for safety and C for schools. Hazard risk is its weak spot, with a D.
Is Monongahela, PA safe?
Yes, by national standards. Pennsylvania has less crime than most states, so among its own towns Monongahela sits nearer the middle.
Is Monongahela, PA expensive?
Not for the area. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades A+.
What is Monongahela, PA known for?
18 notable people were born here, including Mitch Daniels and Jim Renacci.