Counties in Montana by net international migration rate, July to June
Teton County had the highest net international migration rate, July to June of 56 counties in 2018, at 1.47 per 1,000 inhabitants. Cascade County had the lowest, at -0.34 per 1,000 inhabitants. The median was 0 per 1,000 inhabitants and the figure for Montana was 0.41 per 1,000 inhabitants. Source: the U.S. Census Bureau.
All counties, 2018
Full ranking
| Rank | Counties | 2018 | Change on 2017 |
|---|---|---|---|
| 1 | Teton County Estimated | 1.47 | -0.01 pts |
| 2 | Madison County Estimated | 1.42 | -1.27 pts |
| 3 | Gallatin County Estimated | 1.07 | -1.41 pts |
| 4 | Missoula County Estimated | 1.05 | -0.45 pts |
| 5 | Silver Bow County Estimated | 1.03 | -0.29 pts |
| 6 | Rosebud County Estimated | 0.99 | -0.1 pts |
| 7 | Beaverhead County Estimated | 0.64 | -2.11 pts |
| 8 | Fergus County Estimated | 0.63 | -0.17 pts |
| 9 | Hill County Estimated | 0.61 | -0.06 pts |
| 10 | Lincoln County Estimated | 0.61 | -0.47 pts |
| 11 | Meagher County Estimated | 0.54 | -1.08 pts |
| 12 | Roosevelt County Estimated | 0.54 | 0 pts |
| 13 | Stillwater County Estimated | 0.53 | -0.11 pts |
| 14 | Pondera County Estimated | 0.5 | -0.33 pts |
| 15 | Yellowstone County Estimated | 0.43 | -0.31 pts |
| 16 | Valley County Estimated | 0.4 | 0 pts |
| 17 | Carbon County Estimated | 0.37 | -0.19 pts |
| 18 | Lake County Estimated | 0.36 | -0.6 pts |
| 19 | Fallon County Estimated | 0.34 | -0.32 pts |
| 20 | Big Horn County Estimated | 0.3 | -0.22 pts |
| 21 | Ravalli County Estimated | 0.21 | -0.1 pts |
| 22 | Lewis and Clark County Estimated | 0.19 | -0.15 pts |
| 23 | Blaine County Estimated | 0.15 | -0 pts |
| 24 | Powell County Estimated | 0.15 | -0.88 pts |
| 25 | Glacier County Estimated | 0.15 | -3.86 pts |
| 26 | Sanders County Estimated | 0.09 | -0 pts |
| 27 | Broadwater County Estimated | 0 | 0 pts |
| 27 | Carter County Estimated | 0 | 0 pts |
| 27 | Chouteau County Estimated | 0 | -2.6 pts |
| 27 | Custer County Estimated | 0 | -0.17 pts |
| 27 | Daniels County Estimated | 0 | 0 pts |
| 27 | Dawson County Estimated | 0 | 0 pts |
| 27 | Garfield County Estimated | 0 | 0 pts |
| 27 | Golden Valley County Estimated | 0 | 0 pts |
| 27 | Granite County Estimated | 0 | 0 pts |
| 27 | Judith Basin County Estimated | 0 | 0 pts |
| 27 | Liberty County Estimated | 0 | 0 pts |
| 27 | McCone County Estimated | 0 | 0 pts |
| 27 | Musselshell County Estimated | 0 | 0 pts |
| 27 | Park County Estimated | 0 | -0.31 pts |
| 27 | Petroleum County Estimated | 0 | 0 pts |
| 27 | Phillips County Estimated | 0 | 0 pts |
| 27 | Powder River County Estimated | 0 | -2.29 pts |
| 27 | Prairie County Estimated | 0 | 0 pts |
| 27 | Sheridan County Estimated | 0 | 0 pts |
| 27 | Sweet Grass County Estimated | 0 | 0 pts |
| 27 | Toole County Estimated | 0 | 0 pts |
| 27 | Treasure County Estimated | 0 | 0 pts |
| 27 | Wheatland County Estimated | 0 | 0 pts |
| 27 | Wibaux County Estimated | 0 | 0 pts |
| 51 | Flathead County Estimated | -0.07 | -1.26 pts |
| 52 | Jefferson County Estimated | -0.08 | 0 pts |
| 53 | Deer Lodge County Estimated | -0.22 | -1.43 pts |
| 54 | Mineral County Estimated | -0.23 | +0.01 pts |
| 55 | Richland County Estimated | -0.27 | -2.93 pts |
| 56 | Cascade County Estimated | -0.34 | -0.88 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 Montana by net international migration rate, July to June, 2018) [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 Montana by net international migration rate, July to June, 2018. 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/montana-counties?period=2018. 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 Montana by net international migration rate, July to June, 2018. 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/montana-counties?period=2018.
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 Montana by net international migration rate, July to June, 2018 [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/montana-counties?period=2018 (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_montana_by_2018,
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 Montana by net international migration rate, July to June, 2018}},
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/montana-counties?period=2018. 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 Montana by net international migration rate, July to June, 2018
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/montana-counties?period=2018
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/montana-counties?period=2018.
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
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Rank Counties in Montana 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":"Montana","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=net_international_migration_rate_july_june&level=province&within=Montana&limit=10Questions
Which county has the highest net international migration rate, July to June?
Teton County, with 1.47 per 1,000 inhabitants in 2018, according to the U.S. Census Bureau.
Which county has the lowest net international migration rate, July to June?
Cascade County, with -0.34 per 1,000 inhabitants in 2018.
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.