Counties in Pennsylvania by residents who moved from another state in the past year

Union County had the highest residents who moved from another state in the past year of 67 counties in 2023, at 5.9%. Mifflin County had the lowest, at 0.3%. The median was 1.5% and the figure for Pennsylvania was 2%. Source: the U.S. Census Bureau.

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Highest5.9Union County
Median1.567 counties
Pennsylvania2History

Map of counties, 2023

Adams County: 2.6 %Allegheny County: 2.3 %Armstrong County: 0.5 %Beaver County: 1.5 %Bedford County: 1.3 %Berks County: 1.5 %Blair County: 1.2 %Bradford County: 1.9 %Bucks County: 1.6 %Butler County: 1.3 %Cambria County: 1.4 %Cameron County: 0.9 %Carbon County: 1.4 %Centre County: 5.3 %Chester County: 2 %Clarion County: 1.5 %Clearfield County: 0.6 %Clinton County: 1.1 %Columbia County: 1 %Crawford County: 1.5 %Cumberland County: 2.4 %Dauphin County: 2.2 %Delaware County: 1.6 %Elk County: 0.6 %Erie County: 2 %Fayette County: 0.8 %Forest County: 0.7 %Franklin County: 1.8 %Fulton County: 1.4 %Greene County: 1.6 %Huntingdon County: 0.8 %Indiana County: 0.8 %Jefferson County: 0.7 %Juniata County: 0.5 %Lackawanna County: 2.3 %Lancaster County: 1.5 %Lawrence County: 1.9 %Lebanon County: 1.5 %Lehigh County: 2.2 %Luzerne County: 2.4 %Lycoming County: 1.5 %McKean County: 1.6 %Mercer County: 2 %Mifflin County: 0.3 %Monroe County: 3.2 %Montgomery County: 1.7 %Montour County: 2.2 %Northampton County: 2.5 %Northumberland County: 0.9 %Perry County: 0.4 %Philadelphia County: 2.8 %Pike County: 5.4 %Potter County: 2.1 %Schuylkill County: 1 %Snyder County: 1.6 %Somerset County: 0.7 %Sullivan County: 0.6 %Susquehanna County: 2.3 %Tioga County: 1.6 %Union County: 5.9 %Venango County: 1 %Warren County: 1.8 %Washington County: 1.2 %Wayne County: 3.5 %Westmoreland County: 1 %Wyoming County: 1 %York County: 2.2 %
  • Under 0.8
  • 0.8 to 1.2
  • 1.2 to 1.5
  • 1.5 to 1.9
  • 1.9 to 2.3
  • 2.3 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2023

Union County: 5.9 %Union County5.9Pike County: 5.4 %Pike County5.4Centre County: 5.3 %Centre County5.3Wayne County: 3.5 %Wayne County3.5Monroe County: 3.2 %Monroe County3.2Philadelphia County: 2.8 %Philadelphia County2.8Adams County: 2.6 %Adams County2.6Northampton County: 2.5 %Northampton County2.5Cumberland County: 2.4 %Cumberland County2.4Luzerne County: 2.4 %Luzerne County2.4Allegheny County: 2.3 %Allegheny County2.3Lackawanna County: 2.3 %Lackawanna County2.3Susquehanna County: 2.3 %Susquehanna County2.3Dauphin County: 2.2 %Dauphin County2.2Lehigh County: 2.2 %Lehigh County2.2York County: 2.2 %York County2.2Montour County: 2.2 %Montour County2.2Potter County: 2.1 %Potter County2.1Chester County: 2 %Chester County2Erie County: 2 %Erie County2Mercer County: 2 %Mercer County2Bradford County: 1.9 %Bradford County1.9Lawrence County: 1.9 %Lawrence County1.9Franklin County: 1.8 %Franklin County1.8Warren County: 1.8 %Warren County1.8Montgomery County: 1.7 %Montgomery County1.7McKean County: 1.6 %McKean County1.6Greene County: 1.6 %Greene County1.6Snyder County: 1.6 %Snyder County1.6Delaware County: 1.6 %Delaware County1.6Bucks County: 1.6 %Bucks County1.6Tioga County: 1.6 %Tioga County1.6Lancaster County: 1.5 %Lancaster County1.5Crawford County: 1.5 %Crawford County1.5Lycoming County: 1.5 %Lycoming County1.5Beaver County: 1.5 %Beaver County1.5Clarion County: 1.5 %Clarion County1.5Berks County: 1.5 %Berks County1.5Lebanon County: 1.5 %Lebanon County1.5Carbon County: 1.4 %Carbon County1.4Union County: 5.9 %Union County5.9Pike County: 5.4 %Pike County5.4Centre County: 5.3 %Centre County5.3Wayne County: 3.5 %Wayne County3.5Monroe County: 3.2 %Monroe County3.2Philadelphia County: 2.8 %Philadelphia County2.8Adams County: 2.6 %Adams County2.6Northampton County: 2.5 %Northampton County2.5Cumberland County: 2.4 %Cumberland County2.4Luzerne County: 2.4 %Luzerne County2.4Allegheny County: 2.3 %Allegheny County2.3Lackawanna County: 2.3 %Lackawanna County2.3Susquehanna County: 2.3 %Susquehanna County2.3Dauphin County: 2.2 %Dauphin County2.2Lehigh County: 2.2 %Lehigh County2.2York County: 2.2 %York County2.2Montour County: 2.2 %Montour County2.2Potter County: 2.1 %Potter County2.1Chester County: 2 %Chester County2Erie County: 2 %Erie County2Mercer County: 2 %Mercer County2Bradford County: 1.9 %Bradford County1.9Lawrence County: 1.9 %Lawrence County1.9Franklin County: 1.8 %Franklin County1.8Warren County: 1.8 %Warren County1.8Montgomery County: 1.7 %Montgomery County1.7McKean County: 1.6 %McKean County1.6Greene County: 1.6 %Greene County1.6Snyder County: 1.6 %Snyder County1.6Delaware County: 1.6 %Delaware County1.6Bucks County: 1.6 %Bucks County1.6Tioga County: 1.6 %Tioga County1.6Lancaster County: 1.5 %Lancaster County1.5Crawford County: 1.5 %Crawford County1.5Lycoming County: 1.5 %Lycoming County1.5Beaver County: 1.5 %Beaver County1.5Clarion County: 1.5 %Clarion County1.5Berks County: 1.5 %Berks County1.5Lebanon County: 1.5 %Lebanon County1.5Carbon County: 1.4 %Carbon County1.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Union County5.9+0.1 pts
2Pike County5.4-0 pts
3Centre County5.3+0.1 pts
4Wayne County3.5+0.7 pts
5Monroe County3.2-0.6 pts
6Philadelphia County2.8+0.1 pts
7Adams County2.6-0.2 pts
8Northampton County2.5-0.2 pts
9Cumberland County2.4-0.1 pts
10Luzerne County2.4-0.3 pts
11Allegheny County2.3-0.1 pts
11Lackawanna County2.3-0.2 pts
11Susquehanna County2.3-0.4 pts
14Dauphin County2.2+0.1 pts
15Lehigh County2.20 pts
15York County2.20 pts
17Montour County2.2-0.1 pts
18Potter County2.1+0.3 pts
19Chester County2-0.2 pts
19Erie County2+0.1 pts
19Mercer County2-0.1 pts
22Bradford County1.9-0 pts
23Lawrence County1.9-0 pts
24Franklin County1.8+0.1 pts
25Warren County1.8-0 pts
26Montgomery County1.7-0 pts
27McKean County1.6-0.2 pts
28Greene County1.6-0.3 pts
29Snyder County1.6-0.1 pts
30Delaware County1.6-0.1 pts
31Bucks County1.6-0.1 pts
32Tioga County1.6-0.2 pts
33Lancaster County1.5+0.1 pts
34Crawford County1.5-0 pts
35Lycoming County1.5-0.1 pts
36Beaver County1.5+0.1 pts
37Clarion County1.5+0.1 pts
38Berks County1.50 pts
39Lebanon County1.5-0.2 pts
40Carbon County1.4+0.1 pts
41Fulton County1.4-0.1 pts
42Cambria County1.4+0.1 pts
43Bedford County1.30 pts
44Butler County1.30 pts
45Blair County1.2+0.1 pts
46Washington County1.2-0.2 pts
47Clinton County1.1+0.2 pts
48Venango County1-0.2 pts
49Columbia County1-0.1 pts
50Wyoming County1-0.3 pts
51Schuylkill County1+0.2 pts
51Westmoreland County10 pts
53Cameron County0.9-0.4 pts
54Northumberland County0.9+0.1 pts
55Indiana County0.8-0.1 pts
56Huntingdon County0.8-0.3 pts
57Fayette County0.8-0.3 pts
58Somerset County0.7-0.2 pts
59Forest County0.7-0.3 pts
60Jefferson County0.7+0.1 pts
61Clearfield County0.6+0.1 pts
62Sullivan County0.6+0.1 pts
63Elk County0.6-0.1 pts
64Armstrong County0.5+0.1 pts
65Juniata County0.5+0.1 pts
66Perry County0.40 pts
67Mifflin County0.3-0.2 pts

Other periods

About this ranking

People aged 1 and over who lived in a different US state one year earlier, as a percentage of all people aged 1 and over living in the area. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Counts people who arrived, not net migration: people who left are not subtracted. Moves from abroad are left out. For the nation it is everyone who changed state.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs (Counties in Pennsylvania by residents who moved from another state in the past year, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat

MLA 9

American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs, Counties in Pennsylvania by residents who moved from another state in the past year, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat. Invokely, https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. Counties in Pennsylvania by residents who moved from another state in the past year, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat. Also distributed by Invokely, https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs, Counties in Pennsylvania by residents who moved from another state in the past year, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat, via Invokely: https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_pennsylvania_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs: Counties in Pennsylvania by residents who moved from another state in the past year, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs: Counties in Pennsylvania by residents who moved from another state in the past year, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat
L2  - https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/moved-from-another-state/pennsylvania-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b07003.dat. Retrieved 2026-10-12.
ER  - 
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rank_places {"indicator":"moved_from_other_state_share","level":"province","within":"Pennsylvania","limit":10}
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Questions

Which county has the highest residents who moved from another state in the past year?

Union County, with 5.9% in 2023, according to the U.S. Census Bureau.

Which county has the lowest residents who moved from another state in the past year?

Mifflin County, with 0.3% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B07003: people aged 1 and over who moved from a different state in the past year, as a percentage of the population aged 1 and over, calculated with stored inputs. Retrieved 2026-10-12.

Residents who moved from another state in the past year: other rankings

Counties in Pennsylvania: more rankings