Counties in Colorado by net international migration rate, July to June, 2025
Arapahoe County had the highest net international migration rate, July to June of 64 counties in 2025, at 6.85 per 1,000 inhabitants. San Juan County had the lowest, at -3.67 per 1,000 inhabitants. The median was 0.82 per 1,000 inhabitants and the figure for Colorado was 2.56 per 1,000 inhabitants. Source: the U.S. Census Bureau.
Top 40 counties, 2025
Full ranking
| Rank | Counties | 2025 | Change on 2024 |
|---|---|---|---|
| 1 | Arapahoe County Estimated | 6.85 | -13.6 pts |
| 2 | Yuma County Estimated | 6.37 | -4.25 pts |
| 3 | Summit County Estimated | 4.05 | -9.6 pts |
| 4 | Denver County Estimated | 3.87 | -14.29 pts |
| 5 | Broomfield County Estimated | 3.83 | -3.18 pts |
| 6 | Phillips County Estimated | 3.83 | -2 pts |
| 7 | Baca County Estimated | 3.56 | +0.01 pts |
| 8 | Kit Carson County Estimated | 3.26 | -2.01 pts |
| 9 | Boulder County Estimated | 3.23 | -4.11 pts |
| 10 | Adams County Estimated | 2.89 | -11.93 pts |
| 11 | Grand County Estimated | 2.87 | -2.76 pts |
| 12 | Prowers County Estimated | 2.86 | -2.63 pts |
| 13 | Douglas County Estimated | 2.36 | -1.45 pts |
| 14 | Routt County Estimated | 2.24 | -4.97 pts |
| 15 | Jefferson County Estimated | 1.99 | -3.8 pts |
| 16 | Logan County Estimated | 1.89 | -0.92 pts |
| 17 | Morgan County Estimated | 1.81 | -6.81 pts |
| 18 | Las Animas County Estimated | 1.73 | -0.48 pts |
| 19 | Ouray County Estimated | 1.72 | -0.21 pts |
| 20 | Montezuma County Estimated | 1.54 | -0.53 pts |
| 21 | Larimer County Estimated | 1.5 | -2.28 pts |
| 22 | Kiowa County Estimated | 1.42 | -0.02 pts |
| 23 | Garfield County Estimated | 1.4 | -7.83 pts |
| 24 | El Paso County Estimated | 1.37 | -2.76 pts |
| 25 | Sedgwick County Estimated | 1.33 | +0.02 pts |
| 26 | San Miguel County Estimated | 1.28 | -1.77 pts |
| 27 | Rio Blanco County Estimated | 1.19 | -18.46 pts |
| 28 | Teller County Estimated | 1.01 | -0.61 pts |
| 29 | Weld County Estimated | 0.99 | -4.06 pts |
| 30 | Alamosa County Estimated | 0.9 | -1.32 pts |
| 31 | Montrose County Estimated | 0.87 | -4.39 pts |
| 32 | Washington County Estimated | 0.84 | -1.66 pts |
| 33 | Jackson County Estimated | 0.8 | -6.92 pts |
| 34 | Archuleta County Estimated | 0.77 | -0.99 pts |
| 35 | Pueblo County Estimated | 0.67 | -1.45 pts |
| 36 | Crowley County Estimated | 0.53 | -0.36 pts |
| 37 | Otero County Estimated | 0.51 | -0.6 pts |
| 38 | Eagle County Estimated | 0.5 | -7.36 pts |
| 39 | Gunnison County Estimated | 0.46 | -5.12 pts |
| 40 | Park County Estimated | 0.33 | -0.44 pts |
| 41 | Pitkin County Estimated | 0.3 | -7.75 pts |
| 42 | Delta County Estimated | 0.19 | -1.47 pts |
| 43 | Custer County Estimated | 0.18 | -0 pts |
| 44 | Chaffee County Estimated | 0.05 | -0.77 pts |
| 45 | Gilpin County Estimated | 0 | 0 pts |
| 45 | Hinsdale County Estimated | 0 | 0 pts |
| 45 | Mineral County Estimated | 0 | 0 pts |
| 45 | Saguache County Estimated | 0 | -0.45 pts |
| 49 | Fremont County Estimated | -0.04 | -0.52 pts |
| 50 | Elbert County Estimated | -0.1 | -0.2 pts |
| 51 | Clear Creek County Estimated | -0.11 | -0.22 pts |
| 52 | La Plata County Estimated | -0.19 | -2.1 pts |
| 53 | Mesa County Estimated | -0.23 | -1.72 pts |
| 54 | Lake County Estimated | -0.27 | -5.37 pts |
| 55 | Huerfano County Estimated | -0.29 | -0.71 pts |
| 56 | Bent County Estimated | -0.35 | -0.17 pts |
| 57 | Lincoln County Estimated | -0.36 | -0.36 pts |
| 58 | Dolores County Estimated | -0.41 | -0.41 pts |
| 59 | Conejos County Estimated | -0.53 | -0.4 pts |
| 60 | Rio Grande County Estimated | -0.54 | -0.36 pts |
| 61 | Costilla County Estimated | -0.54 | -0.54 pts |
| 62 | Cheyenne County Estimated | -0.59 | -1.76 pts |
| 63 | Moffat County Estimated | -1.06 | -4.51 pts |
| 64 | San Juan County Estimated | -3.67 | -2.44 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 Colorado 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 Colorado 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/colorado-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 Colorado 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/colorado-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 Colorado 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/colorado-counties (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_colorado_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 Colorado 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/colorado-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 Colorado 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/colorado-counties
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/colorado-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
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Rank Counties in Colorado 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":"Colorado","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=net_international_migration_rate_july_june&level=province&within=Colorado&limit=10Questions
Which county has the highest net international migration rate, July to June?
Arapahoe County, with 6.85 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?
San Juan County, with -3.67 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.
Net international migration rate, July to June: other rankings
Counties in Colorado: more rankings
- Bachelor's degree or higher, population 25 and over
- Residents who moved from another state in the past year
- White (non-Hispanic) population share
- Median age on 1 July (US county estimates)
- Uninsured rate, 65 and over (US, ACS)
- Average household size
- Median gross rent (monthly)
- Uninsured rate, under 19 (US model-based estimate)