Pennsylvania’s 10 Biggest Amish Communities

Pennsylvania is home to the nation’s largest Amish population. These ten communities rank as the biggest in the state, based on the most current population estimates.
Pennsylvania has the largest of all Amish settlements – found in well-known Lancaster County. But the Amish live in many more locations across the state. Here’s a look at the top 10 Pennsylvania Amish communities by size.
Population numbers via Young Center for Anabaptist & Pietist Studies at Elizabethtown College (source link at bottom).
1. Lancaster County

Lancaster County, PA
Community founded: 1760
Total Amish population (2025): 44,765
2. “Big Valley” (Mifflin County)

“Big Valley” (Mifflin County)
Community founded: 1791
Total Amish population (2025): 5,540
3. Smicksburg (Indiana County)

Smicksburg (Indiana County)
Community founded: 1962
Total Amish population (2025): 3,330
4. New Wilmington (Mercer & Lawrence County)

New Wilmington
Community founded: 1847
Total Amish population (2025): 3,135
5. Troutville (Clearfield & Jefferson County)

Troutville
Community founded: 1971
Total Amish population (2025): 2,790
6. Spartansburg (Crawford County)

Spartansburg
Community founded: 1966
Total Amish population (2025): 2,765
7. Dauphin County

Dauphin County
Community founded: 1978
Total Amish population (2025): 1,890
8. Nittany Valley (Centre County)

Nittany Valley (Centre County)
Community founded: 1973
Total Amish population (2025): 1,750
9. Somerset County

Somerset County
Community founded: 1767
Total Amish population (2025): 1,605
10. Lebanon County

Lebanon County
Community founded: 1941
Total Amish population (2025): 1,500
Population numbers sourced from the 2025 Amish Settlement List.


Biggest Amish communities in Pa.
I believe that Penns Valley and Brush Valley in Centre county,Pa. Are bigger Amish communities than Nittany Valley in Centre County,Pa.