Counties in Montana by net international migration rate, July to June

Madison County had the highest net international migration rate, July to June of 56 counties in 2020, at 2.37 per 1,000 inhabitants. Mineral County had the lowest, at -0.22 per 1,000 inhabitants. The median was 0.24 per 1,000 inhabitants and the figure for Montana was 0.92 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest2.37Madison County

Lowest-0.22Mineral County

Median0.2456 counties

Montana0.92History

All counties, 2020

per 1,000 inhabitants. Source: 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.

Full ranking

Rank	Counties	2020 per 1,000 inhabitants	Change on 2019
1	Madison County Estimated	2.37	-0.74 pts
2	Teton County Estimated	2.1	-0.67 pts
3	Missoula County Estimated	1.96	-0.58 pts
4	Gallatin County Estimated	1.93	-0.64 pts
5	Silver Bow County Estimated	1.68	-0.58 pts
6	Meagher County Estimated	1.63	-0.54 pts
7	Lincoln County Estimated	1.43	-0.42 pts
8	Pondera County Estimated	1.37	-0.32 pts
9	Rosebud County Estimated	1.24	-0.54 pts
10	Beaverhead County Estimated	1.06	-0 pts
11	Fergus County Estimated	0.99	-0.45 pts
12	Hill County Estimated	0.97	-0.24 pts
13	Yellowstone County Estimated	0.87	-0.23 pts
14	Stillwater County Estimated	0.82	-0.23 pts
15	Roosevelt County Estimated	0.73	-0.27 pts
16	Fallon County Estimated	0.7	-0.33 pts
17	Carbon County Estimated	0.65	-0.1 pts
18	Ravalli County Estimated	0.63	-0.17 pts
19	Lake County Estimated	0.62	-0.24 pts
20	Lewis and Clark County Estimated	0.6	-0.05 pts
21	Big Horn County Estimated	0.53	-0.22 pts
22	Cascade County Estimated	0.47	-0.15 pts
23	Custer County Estimated	0.44	+0.09 pts
24	Valley County Estimated	0.41	-0.27 pts
25	Glacier County Estimated	0.37	-0.29 pts
26	Granite County Estimated	0.3	+0.3 pts
27	Flathead County Estimated	0.28	-0.15 pts
28	Park County Estimated	0.24	-0 pts
29	Dawson County Estimated	0.23	0 pts
30	Blaine County Estimated	0.15	-0.15 pts
31	Powell County Estimated	0.15	-0.14 pts
32	Sanders County Estimated	0.08	-0.09 pts
33	Broadwater County Estimated	0	0 pts
33	Carter County Estimated	0	0 pts
33	Chouteau County Estimated	0	-0.17 pts
33	Daniels County Estimated	0	0 pts
33	Deer Lodge County Estimated	0	0 pts
33	Garfield County Estimated	0	0 pts
33	Golden Valley County Estimated	0	0 pts
33	Jefferson County Estimated	0	0 pts
33	Judith Basin County Estimated	0	0 pts
33	Liberty County Estimated	0	0 pts
33	McCone County Estimated	0	0 pts
33	Musselshell County Estimated	0	0 pts
33	Petroleum County Estimated	0	0 pts
33	Phillips County Estimated	0	0 pts
33	Powder River County Estimated	0	0 pts
33	Prairie County Estimated	0	0 pts
33	Sheridan County Estimated	0	-0.3 pts
33	Sweet Grass County Estimated	0	0 pts
33	Toole County Estimated	0	-0.21 pts
33	Treasure County Estimated	0	0 pts
33	Wheatland County Estimated	0	0 pts
33	Wibaux County Estimated	0	+1.01 pts
55	Richland County Estimated	-0.18	+0.09 pts
56	Mineral County Estimated	-0.22	+0.01 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

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). 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, 2020) [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, 2020. 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=2020. 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, 2020. 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=2020.

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, 2020 [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=2020 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_montana_by_2020,
  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, 2020}},
  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=2020. 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, 2020
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=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/montana-counties?period=2020.
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  -

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Questions

Which county has the highest net international migration rate, July to June?

Madison County, with 2.37 per 1,000 inhabitants in 2020, according to the U.S. Census Bureau.

Which county has the lowest net international migration rate, July to June?

Mineral County, with -0.22 per 1,000 inhabitants in 2020.

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.