Counties sending the most people to Butler County, PA

Stacker compiled a list of counties sending the most people to Butler County, Pennsylvania using data from the U.S. Census Bureau. Counties and county equivalents are ranked by the estimated number of people who moved to Butler County, PA from the county between 2015 and 2019. Ties were broken by gross migration.

#20. St. Tammany Parish, Louisiana
- Migration from St. Tammany Parish, Louisiana to Butler County, Pennsylvania: 66
- Migration to St. Tammany Parish, Louisiana in 2015-2019: 0
- Net migration: 66 to Butler County, Pennsylvania

#19. Horry County, South Carolina
- Migration from Horry County, South Carolina to Butler County, Pennsylvania: 66
- Migration to Horry County, South Carolina in 2015-2019: 14
- Net migration: 52 to Butler County, Pennsylvania

#18. Montgomery County, Pennsylvania
- Migration from Montgomery County, Pennsylvania to Butler County, Pennsylvania: 68
- Migration to Montgomery County, Pennsylvania in 2015-2019: 9
- Net migration: 59 to Butler County, Pennsylvania

#17. Erie County, Pennsylvania
- Migration from Erie County, Pennsylvania to Butler County, Pennsylvania: 69
- Migration to Erie County, Pennsylvania in 2015-2019: 334
- Net migration: 265 to Erie County, Pennsylvania

#16. Shelby County, Tennessee
- Migration from Shelby County, Tennessee to Butler County, Pennsylvania: 74
- Migration to Shelby County, Tennessee in 2015-2019: 0
- Net migration: 74 to Butler County, Pennsylvania

#15. Bucks County, Pennsylvania
- Migration from Bucks County, Pennsylvania to Butler County, Pennsylvania: 75
- Migration to Bucks County, Pennsylvania in 2015-2019: 106
- Net migration: 31 to Bucks County, Pennsylvania

#14. Warrick County, Indiana
- Migration from Warrick County, Indiana to Butler County, Pennsylvania: 82
- Migration to Warrick County, Indiana in 2015-2019: 0
- Net migration: 82 to Butler County, Pennsylvania

#13. Philadelphia County, Pennsylvania
- Migration from Philadelphia County, Pennsylvania to Butler County, Pennsylvania: 89
- Migration to Philadelphia County, Pennsylvania in 2015-2019: 64
- Net migration: 25 to Butler County, Pennsylvania

#12. Indiana County, Pennsylvania
- Migration from Indiana County, Pennsylvania to Butler County, Pennsylvania: 101
- Migration to Indiana County, Pennsylvania in 2015-2019: 322
- Net migration: 221 to Indiana County, Pennsylvania

#11. Venango County, Pennsylvania
- Migration from Venango County, Pennsylvania to Butler County, Pennsylvania: 102
- Migration to Venango County, Pennsylvania in 2015-2019: 175
- Net migration: 73 to Venango County, Pennsylvania

#10. Washington County, Pennsylvania
- Migration from Washington County, Pennsylvania to Butler County, Pennsylvania: 109
- Migration to Washington County, Pennsylvania in 2015-2019: 95
- Net migration: 14 to Butler County, Pennsylvania

#9. Cambria County, Pennsylvania
- Migration from Cambria County, Pennsylvania to Butler County, Pennsylvania: 122
- Migration to Cambria County, Pennsylvania in 2015-2019: 122
- Net migration: 0 to Butler County, Pennsylvania

#8. Mahoning County, Ohio
- Migration from Mahoning County, Ohio to Butler County, Pennsylvania: 134
- Migration to Mahoning County, Ohio in 2015-2019: 55
- Net migration: 79 to Butler County, Pennsylvania

#7. Chester County, Pennsylvania
- Migration from Chester County, Pennsylvania to Butler County, Pennsylvania: 137
- Migration to Chester County, Pennsylvania in 2015-2019: 242
- Net migration: 105 to Chester County, Pennsylvania

#6. Armstrong County, Pennsylvania
- Migration from Armstrong County, Pennsylvania to Butler County, Pennsylvania: 212
- Migration to Armstrong County, Pennsylvania in 2015-2019: 299
- Net migration: 87 to Armstrong County, Pennsylvania

#5. Mercer County, Pennsylvania
- Migration from Mercer County, Pennsylvania to Butler County, Pennsylvania: 295
- Migration to Mercer County, Pennsylvania in 2015-2019: 359
- Net migration: 64 to Mercer County, Pennsylvania

#4. Lawrence County, Pennsylvania
- Migration from Lawrence County, Pennsylvania to Butler County, Pennsylvania: 354
- Migration to Lawrence County, Pennsylvania in 2015-2019: 181
- Net migration: 173 to Butler County, Pennsylvania

#3. Westmoreland County, Pennsylvania
- Migration from Westmoreland County, Pennsylvania to Butler County, Pennsylvania: 369
- Migration to Westmoreland County, Pennsylvania in 2015-2019: 160
- Net migration: 209 to Butler County, Pennsylvania

#2. Beaver County, Pennsylvania
- Migration from Beaver County, Pennsylvania to Butler County, Pennsylvania: 610
- Migration to Beaver County, Pennsylvania in 2015-2019: 571
- Net migration: 39 to Butler County, Pennsylvania

#1. Allegheny County, Pennsylvania
- Migration from Allegheny County, Pennsylvania to Butler County, Pennsylvania: 2,676
- Migration to Allegheny County, Pennsylvania in 2015-2019: 1,516
- Net migration: 1,160 to Butler County, Pennsylvania