Counties in Washington by net international migration rate, July to June, 2025
Okanogan County had the highest net international migration rate, July to June of 39 counties in 2025, at 14.06 per 1,000 inhabitants. Wahkiakum County had the lowest, at 0 per 1,000 inhabitants. The median was 1.9 per 1,000 inhabitants and the figure for Washington was 5.8 per 1,000 inhabitants. Source: the U.S. Census Bureau.
Map of counties, 2025
- Under 0.5
- 0.5 to 1.5
- 1.5 to 1.9
- 1.9 to 3
- 3 to 4.2
- 4.2 and over
All counties, 2025
Full ranking
| Rank | Counties | 2025 | Change on 2024 |
|---|---|---|---|
| 1 | Okanogan County Estimated | 14.06 | -5.33 pts |
| 2 | King County Estimated | 12.19 | -5.27 pts |
| 3 | Snohomish County Estimated | 7.3 | -3.38 pts |
| 4 | Whitman County Estimated | 6.2 | -1.49 pts |
| 5 | Grant County Estimated | 5.94 | -5.36 pts |
| 6 | Chelan County Estimated | 5.67 | -4.79 pts |
| 7 | Klickitat County Estimated | 4.22 | -1.53 pts |
| 8 | Franklin County Estimated | 4.07 | -6.23 pts |
| 9 | Columbia County Estimated | 3.91 | -0.28 pts |
| 10 | Adams County Estimated | 3.88 | -9.53 pts |
| 11 | Douglas County Estimated | 3.72 | -4.47 pts |
| 12 | Yakima County Estimated | 3.25 | -5.13 pts |
| 13 | Mason County Estimated | 3.19 | -4.3 pts |
| 14 | Benton County Estimated | 2.94 | -3.3 pts |
| 15 | Pierce County Estimated | 2.76 | -2.3 pts |
| 16 | Skagit County Estimated | 2.38 | -1.6 pts |
| 17 | Kitsap County Estimated | 1.96 | -1.6 pts |
| 18 | Grays Harbor County Estimated | 1.95 | -1.96 pts |
| 19 | San Juan County Estimated | 1.94 | -1.13 pts |
| 20 | Walla Walla County Estimated | 1.9 | -1.9 pts |
| 21 | Whatcom County Estimated | 1.8 | -1.76 pts |
| 22 | Ferry County Estimated | 1.73 | -0.27 pts |
| 23 | Spokane County Estimated | 1.68 | -1.05 pts |
| 24 | Kittitas County Estimated | 1.63 | -1.21 pts |
| 25 | Island County Estimated | 1.6 | -0.62 pts |
| 26 | Thurston County Estimated | 1.53 | -1.01 pts |
| 27 | Clark County Estimated | 1.45 | -1.74 pts |
| 28 | Lewis County Estimated | 1.39 | -1.55 pts |
| 29 | Clallam County Estimated | 0.83 | -0.78 pts |
| 30 | Cowlitz County Estimated | 0.82 | -1.24 pts |
| 31 | Skamania County Estimated | 0.71 | -1.03 pts |
| 32 | Pacific County Estimated | 0.7 | -0.7 pts |
| 33 | Asotin County Estimated | 0.35 | -0.58 pts |
| 34 | Jefferson County Estimated | 0.32 | -1.07 pts |
| 35 | Lincoln County Estimated | 0.17 | -0 pts |
| 36 | Stevens County Estimated | 0.1 | -0.25 pts |
| 37 | Pend Oreille County Estimated | 0.07 | -0.28 pts |
| 38 | Garfield County Estimated | 0 | 0 pts |
| 38 | Wahkiakum County Estimated | 0 | 0 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 Washington by net international migration rate, July to June, 2025) [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 Washington by net international migration rate, July to June, 2025. 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/washington-counties. 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 Washington by net international migration rate, July to June, 2025. 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/washington-counties.
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 Washington by net international migration rate, July to June, 2025 [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/washington-counties (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_washington_by_2025,
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 Washington by net international migration rate, July to June, 2025}},
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/washington-counties. 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 Washington by net international migration rate, July to June, 2025
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/washington-counties
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/washington-counties.
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 Washington 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":"Washington","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=net_international_migration_rate_july_june&level=province&within=Washington&limit=10Questions
Which county has the highest net international migration rate, July to June?
Okanogan County, with 14.06 per 1,000 inhabitants in 2025, according to the U.S. Census Bureau.
Which county has the lowest net international migration rate, July to June?
Wahkiakum County, with 0 per 1,000 inhabitants in 2025.
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.