Counties in Pennsylvania by net international migration rate, July to June
Centre County had the highest net international migration rate, July to June of 67 counties in 2021, at 1.98 per 1,000 inhabitants. Greene County had the lowest, at -0.06 per 1,000 inhabitants. The median was 0.17 per 1,000 inhabitants and the figure for Pennsylvania was 0.78 per 1,000 inhabitants. Source: the U.S. Census Bureau.
Top 40 counties, 2021
Full ranking
| Rank | Counties | 2021 | Change on 2020 |
|---|---|---|---|
| 1 | Centre County Estimated | 1.98 | -1.16 pts |
| 2 | Lehigh County Estimated | 1.91 | -0.88 pts |
| 3 | Philadelphia County Estimated | 1.69 | -0.94 pts |
| 4 | Luzerne County Estimated | 1.14 | -0.7 pts |
| 5 | Delaware County Estimated | 1.12 | -0.23 pts |
| 6 | Dauphin County Estimated | 1.1 | -0.83 pts |
| 7 | Berks County Estimated | 1.02 | -0.82 pts |
| 8 | Allegheny County Estimated | 0.9 | -0.17 pts |
| 9 | Lebanon County Estimated | 0.8 | -0.84 pts |
| 10 | Montgomery County Estimated | 0.79 | -0.24 pts |
| 11 | Chester County Estimated | 0.76 | -0.08 pts |
| 12 | Lancaster County Estimated | 0.76 | -0.32 pts |
| 13 | Lackawanna County Estimated | 0.73 | -1.05 pts |
| 14 | Cumberland County Estimated | 0.69 | -0.42 pts |
| 15 | Northampton County Estimated | 0.69 | -0.35 pts |
| 16 | Juniata County Estimated | 0.64 | +0.15 pts |
| 17 | Montour County Estimated | 0.61 | 0 pts |
| 18 | Bucks County Estimated | 0.58 | +0.19 pts |
| 19 | Franklin County Estimated | 0.56 | -0.41 pts |
| 20 | York County Estimated | 0.55 | -0.08 pts |
| 21 | Erie County Estimated | 0.53 | -0.79 pts |
| 22 | Lycoming County Estimated | 0.4 | -0.11 pts |
| 23 | Monroe County Estimated | 0.32 | -0.47 pts |
| 24 | Indiana County Estimated | 0.29 | -0.15 pts |
| 25 | Union County Estimated | 0.28 | -0.06 pts |
| 26 | Fayette County Estimated | 0.25 | +0.08 pts |
| 27 | McKean County Estimated | 0.25 | -0.05 pts |
| 28 | Clearfield County Estimated | 0.23 | -0.22 pts |
| 29 | Adams County Estimated | 0.22 | +0.08 pts |
| 30 | Northumberland County Estimated | 0.21 | +0.05 pts |
| 31 | Washington County Estimated | 0.2 | +0.04 pts |
| 32 | Bradford County Estimated | 0.18 | -0.12 pts |
| 33 | Schuylkill County Estimated | 0.17 | +0.15 pts |
| 34 | Butler County Estimated | 0.17 | -0.14 pts |
| 35 | Pike County Estimated | 0.17 | -0.01 pts |
| 36 | Crawford County Estimated | 0.16 | +0.05 pts |
| 37 | Blair County Estimated | 0.14 | -0.02 pts |
| 38 | Clarion County Estimated | 0.13 | -0.1 pts |
| 39 | Columbia County Estimated | 0.12 | -0.05 pts |
| 40 | Venango County Estimated | 0.12 | +0.04 pts |
| 41 | Wayne County Estimated | 0.12 | +0.1 pts |
| 42 | Wyoming County Estimated | 0.12 | 0 pts |
| 43 | Westmoreland County Estimated | 0.11 | -0.01 pts |
| 44 | Mifflin County Estimated | 0.11 | +0.09 pts |
| 45 | Clinton County Estimated | 0.11 | +0.03 pts |
| 46 | Huntingdon County Estimated | 0.09 | -0.31 pts |
| 47 | Beaver County Estimated | 0.09 | -0.01 pts |
| 48 | Carbon County Estimated | 0.08 | -0.13 pts |
| 49 | Tioga County Estimated | 0.07 | -0.03 pts |
| 50 | Perry County Estimated | 0.07 | -0.04 pts |
| 51 | Bedford County Estimated | 0.06 | 0 pts |
| 52 | Cambria County Estimated | 0.06 | -0.09 pts |
| 53 | Mercer County Estimated | 0.05 | -0.09 pts |
| 54 | Warren County Estimated | 0.05 | -0.02 pts |
| 55 | Snyder County Estimated | 0.05 | -0.12 pts |
| 56 | Armstrong County Estimated | 0.05 | +0.03 pts |
| 57 | Jefferson County Estimated | 0.05 | +0.05 pts |
| 58 | Lawrence County Estimated | 0.02 | -0.15 pts |
| 59 | Somerset County Estimated | 0.01 | -0.18 pts |
| 60 | Cameron County Estimated | 0 | -0.46 pts |
| 60 | Elk County Estimated | 0 | -0.03 pts |
| 60 | Forest County Estimated | 0 | -0.43 pts |
| 60 | Fulton County Estimated | 0 | 0 pts |
| 60 | Potter County Estimated | 0 | -0.18 pts |
| 60 | Sullivan County Estimated | 0 | 0 pts |
| 66 | Susquehanna County Estimated | -0.03 | -0.08 pts |
| 67 | Greene County Estimated | -0.06 | -0.08 pts |
Other periods
About this ranking
Net international migration from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.
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. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.Citation styles
APA 7
U.S. Census Bureau. (2026). Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021 (Counties in Pennsylvania by net international migration rate, July to June, 2021) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html
MLA 9
Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Pennsylvania by net international migration rate, July to June, 2021. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021. Accessed 12 Oct. 2026.
Chicago (author-date)
U.S. Census Bureau. 2026. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Counties in Pennsylvania by net international migration rate, July to June, 2021. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021.
Harvard
U.S. Census Bureau (2026) Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Pennsylvania by net international migration rate, July to June, 2021 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021 (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_pennsylvania_by_2021,
author = {{U.S. Census Bureau}},
title = {{Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Pennsylvania by net international migration rate, July to June, 2021}},
year = {2026},
howpublished = {Data set},
url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
urldate = {2026-10-12},
note = {Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY - DATA
AU - U.S. Census Bureau
TI - Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Pennsylvania by net international migration rate, July to June, 2021
PY - 2026
DA - 2026/03/26
PB - U.S. Census Bureau
DB - Invokely
UR - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2 - https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/pennsylvania-counties?period=2021.
N1 - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER -
Use this data in your AI agent
Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Rank Counties in Pennsylvania by net international migration rate, July to June using official data, and cite the source.
rank_places {"indicator":"net_international_migration_rate_july_june","level":"province","within":"Pennsylvania","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=net_international_migration_rate_july_june&level=province&within=Pennsylvania&limit=10Questions
Which county has the highest net international migration rate, July to June?
Centre County, with 1.98 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.
Which county has the lowest net international migration rate, July to June?
Greene County, with -0.06 per 1,000 inhabitants in 2021.
Where does this ranking come from?
Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.