Data / Rankings / Net international migration rate, July to June / Counties in Colorado

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

Arapahoe County had the highest net international migration rate, July to June of 64 counties in 2024, at 20.45 per 1,000 inhabitants. San Juan County had the lowest, at -1.23 per 1,000 inhabitants. The median was 2.22 per 1,000 inhabitants and the figure for Colorado was 8.96 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest20.45Arapahoe County
Lowest-1.23San Juan County
Median2.2264 counties
Colorado8.96History

Map of counties, 2024

Adams County: 14.82 per 1,000 inhabitantsAlamosa County: 2.22 per 1,000 inhabitantsArapahoe County: 20.45 per 1,000 inhabitantsArchuleta County: 1.77 per 1,000 inhabitantsBaca County: 3.55 per 1,000 inhabitantsBent County: -0.17 per 1,000 inhabitantsBoulder County: 7.35 per 1,000 inhabitantsBroomfield County: 7.02 per 1,000 inhabitantsChaffee County: 0.82 per 1,000 inhabitantsCheyenne County: 1.17 per 1,000 inhabitantsClear Creek County: 0.11 per 1,000 inhabitantsConejos County: -0.13 per 1,000 inhabitantsCostilla County: 0 per 1,000 inhabitantsCrowley County: 0.89 per 1,000 inhabitantsCuster County: 0.18 per 1,000 inhabitantsDelta County: 1.65 per 1,000 inhabitantsDenver County: 18.16 per 1,000 inhabitantsDolores County: 0 per 1,000 inhabitantsDouglas County: 3.81 per 1,000 inhabitantsEagle County: 7.86 per 1,000 inhabitantsElbert County: 0.1 per 1,000 inhabitantsEl Paso County: 4.13 per 1,000 inhabitantsFremont County: 0.48 per 1,000 inhabitantsGarfield County: 9.23 per 1,000 inhabitantsGilpin County: 0 per 1,000 inhabitantsGrand County: 5.63 per 1,000 inhabitantsGunnison County: 5.58 per 1,000 inhabitantsHinsdale County: 0 per 1,000 inhabitantsHuerfano County: 0.43 per 1,000 inhabitantsJackson County: 7.73 per 1,000 inhabitantsJefferson County: 5.79 per 1,000 inhabitantsKiowa County: 1.44 per 1,000 inhabitantsKit Carson County: 5.28 per 1,000 inhabitantsLake County: 5.1 per 1,000 inhabitantsLa Plata County: 1.91 per 1,000 inhabitantsLarimer County: 3.78 per 1,000 inhabitantsLas Animas County: 2.21 per 1,000 inhabitantsLincoln County: 0 per 1,000 inhabitantsLogan County: 2.81 per 1,000 inhabitantsMesa County: 1.49 per 1,000 inhabitantsMineral County: 0 per 1,000 inhabitantsMoffat County: 3.45 per 1,000 inhabitantsMontezuma County: 2.07 per 1,000 inhabitantsMontrose County: 5.26 per 1,000 inhabitantsMorgan County: 8.63 per 1,000 inhabitantsOtero County: 1.11 per 1,000 inhabitantsOuray County: 1.93 per 1,000 inhabitantsPark County: 0.77 per 1,000 inhabitantsPhillips County: 5.83 per 1,000 inhabitantsPitkin County: 8.05 per 1,000 inhabitantsProwers County: 5.49 per 1,000 inhabitantsPueblo County: 2.12 per 1,000 inhabitantsRio Blanco County: 19.65 per 1,000 inhabitantsRio Grande County: -0.18 per 1,000 inhabitantsRoutt County: 7.21 per 1,000 inhabitantsSaguache County: 0.45 per 1,000 inhabitantsSan Juan County: -1.23 per 1,000 inhabitantsSan Miguel County: 3.06 per 1,000 inhabitantsSedgwick County: 1.31 per 1,000 inhabitantsSummit County: 13.65 per 1,000 inhabitantsTeller County: 1.62 per 1,000 inhabitantsWashington County: 2.5 per 1,000 inhabitantsWeld County: 5.05 per 1,000 inhabitantsYuma County: 10.62 per 1,000 inhabitants
  • Under -0.2
  • -0.2 to 0
  • 0 to 1.6
  • 1.6 to 5.3
  • 5.3 and over
per 1,000 inhabitants, 2024. Red areas are below zero and blue areas above it. 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. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2024

Arapahoe County: 20.45 per 1,000 inhabitantsArapahoe County20.45Rio Blanco County: 19.65 per 1,000 inhabitantsRio Blanco County19.65Denver County: 18.16 per 1,000 inhabitantsDenver County18.16Adams County: 14.82 per 1,000 inhabitantsAdams County14.82Summit County: 13.65 per 1,000 inhabitantsSummit County13.65Yuma County: 10.62 per 1,000 inhabitantsYuma County10.62Garfield County: 9.23 per 1,000 inhabitantsGarfield County9.23Morgan County: 8.63 per 1,000 inhabitantsMorgan County8.63Pitkin County: 8.05 per 1,000 inhabitantsPitkin County8.05Eagle County: 7.86 per 1,000 inhabitantsEagle County7.86Jackson County: 7.73 per 1,000 inhabitantsJackson County7.73Boulder County: 7.35 per 1,000 inhabitantsBoulder County7.35Routt County: 7.21 per 1,000 inhabitantsRoutt County7.21Broomfield County: 7.02 per 1,000 inhabitantsBroomfield County7.02Phillips County: 5.83 per 1,000 inhabitantsPhillips County5.83Jefferson County: 5.79 per 1,000 inhabitantsJefferson County5.79Grand County: 5.63 per 1,000 inhabitantsGrand County5.63Gunnison County: 5.58 per 1,000 inhabitantsGunnison County5.58Prowers County: 5.49 per 1,000 inhabitantsProwers County5.49Kit Carson County: 5.28 per 1,000 inhabitantsKit Carson County5.28Montrose County: 5.26 per 1,000 inhabitantsMontrose County5.26Lake County: 5.1 per 1,000 inhabitantsLake County5.1Weld County: 5.05 per 1,000 inhabitantsWeld County5.05El Paso County: 4.13 per 1,000 inhabitantsEl Paso County4.13Douglas County: 3.81 per 1,000 inhabitantsDouglas County3.81Larimer County: 3.78 per 1,000 inhabitantsLarimer County3.78Baca County: 3.55 per 1,000 inhabitantsBaca County3.55Moffat County: 3.45 per 1,000 inhabitantsMoffat County3.45San Miguel County: 3.06 per 1,000 inhabitantsSan Miguel County3.06Logan County: 2.81 per 1,000 inhabitantsLogan County2.81Washington County: 2.5 per 1,000 inhabitantsWashington County2.5Alamosa County: 2.22 per 1,000 inhabitantsAlamosa County2.22Las Animas County: 2.21 per 1,000 inhabitantsLas Animas County2.21Pueblo County: 2.12 per 1,000 inhabitantsPueblo County2.12Montezuma County: 2.07 per 1,000 inhabitantsMontezuma County2.07Ouray County: 1.93 per 1,000 inhabitantsOuray County1.93La Plata County: 1.91 per 1,000 inhabitantsLa Plata County1.91Archuleta County: 1.77 per 1,000 inhabitantsArchuleta County1.77Delta County: 1.65 per 1,000 inhabitantsDelta County1.65Teller County: 1.62 per 1,000 inhabitantsTeller County1.62Arapahoe County: 20.45 per 1,000 inhabitantsArapahoe County20.45Rio Blanco County: 19.65 per 1,000 inhabitantsRio Blanco County19.65Denver County: 18.16 per 1,000 inhabitantsDenver County18.16Adams County: 14.82 per 1,000 inhabitantsAdams County14.82Summit County: 13.65 per 1,000 inhabitantsSummit County13.65Yuma County: 10.62 per 1,000 inhabitantsYuma County10.62Garfield County: 9.23 per 1,000 inhabitantsGarfield County9.23Morgan County: 8.63 per 1,000 inhabitantsMorgan County8.63Pitkin County: 8.05 per 1,000 inhabitantsPitkin County8.05Eagle County: 7.86 per 1,000 inhabitantsEagle County7.86Jackson County: 7.73 per 1,000 inhabitantsJackson County7.73Boulder County: 7.35 per 1,000 inhabitantsBoulder County7.35Routt County: 7.21 per 1,000 inhabitantsRoutt County7.21Broomfield County: 7.02 per 1,000 inhabitantsBroomfield County7.02Phillips County: 5.83 per 1,000 inhabitantsPhillips County5.83Jefferson County: 5.79 per 1,000 inhabitantsJefferson County5.79Grand County: 5.63 per 1,000 inhabitantsGrand County5.63Gunnison County: 5.58 per 1,000 inhabitantsGunnison County5.58Prowers County: 5.49 per 1,000 inhabitantsProwers County5.49Kit Carson County: 5.28 per 1,000 inhabitantsKit Carson County5.28Montrose County: 5.26 per 1,000 inhabitantsMontrose County5.26Lake County: 5.1 per 1,000 inhabitantsLake County5.1Weld County: 5.05 per 1,000 inhabitantsWeld County5.05El Paso County: 4.13 per 1,000 inhabitantsEl Paso County4.13Douglas County: 3.81 per 1,000 inhabitantsDouglas County3.81Larimer County: 3.78 per 1,000 inhabitantsLarimer County3.78Baca County: 3.55 per 1,000 inhabitantsBaca County3.55Moffat County: 3.45 per 1,000 inhabitantsMoffat County3.45San Miguel County: 3.06 per 1,000 inhabitantsSan Miguel County3.06Logan County: 2.81 per 1,000 inhabitantsLogan County2.81Washington County: 2.5 per 1,000 inhabitantsWashington County2.5Alamosa County: 2.22 per 1,000 inhabitantsAlamosa County2.22Las Animas County: 2.21 per 1,000 inhabitantsLas Animas County2.21Pueblo County: 2.12 per 1,000 inhabitantsPueblo County2.12Montezuma County: 2.07 per 1,000 inhabitantsMontezuma County2.07Ouray County: 1.93 per 1,000 inhabitantsOuray County1.93La Plata County: 1.91 per 1,000 inhabitantsLa Plata County1.91Archuleta County: 1.77 per 1,000 inhabitantsArchuleta County1.77Delta County: 1.65 per 1,000 inhabitantsDelta County1.65Teller County: 1.62 per 1,000 inhabitantsTeller County1.62
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

RankCounties2024
per 1,000 inhabitants		Change on 2023
1Arapahoe County Estimated20.45+5.66 pts
2Rio Blanco County Estimated19.65+12.23 pts
3Denver County Estimated18.16+6.44 pts
4Adams County Estimated14.82+6.21 pts
5Summit County Estimated13.65+3.53 pts
6Yuma County Estimated10.62-0.26 pts
7Garfield County Estimated9.23+2.19 pts
8Morgan County Estimated8.63-5.13 pts
9Pitkin County Estimated8.05+2.47 pts
10Eagle County Estimated7.86+0.69 pts
11Jackson County Estimated7.73+7.73 pts
12Boulder County Estimated7.35+1.89 pts
13Routt County Estimated7.21+0.59 pts
14Broomfield County Estimated7.02+2.59 pts
15Phillips County Estimated5.83+1.34 pts
16Jefferson County Estimated5.79+2.47 pts
17Grand County Estimated5.63+0.85 pts
18Gunnison County Estimated5.58+3.33 pts
19Prowers County Estimated5.49-0.44 pts
20Kit Carson County Estimated5.28+2.13 pts
21Montrose County Estimated5.26+2.04 pts
22Lake County Estimated5.1+3.21 pts
23Weld County Estimated5.05+1.14 pts
24El Paso County Estimated4.13+0.97 pts
25Douglas County Estimated3.81+0.56 pts
26Larimer County Estimated3.78+1.44 pts
27Baca County Estimated3.55+0.61 pts
28Moffat County Estimated3.45+1.27 pts
29San Miguel County Estimated3.06+0.79 pts
30Logan County Estimated2.81+1.8 pts
31Washington County Estimated2.5+0.44 pts
32Alamosa County Estimated2.22+0.66 pts
33Las Animas County Estimated2.21+0.33 pts
34Pueblo County Estimated2.12+0.56 pts
35Montezuma County Estimated2.07-0.5 pts
36Ouray County Estimated1.93-0.6 pts
37La Plata County Estimated1.91+1.55 pts
38Archuleta County Estimated1.77+1.2 pts
39Delta County Estimated1.65+1.31 pts
40Teller County Estimated1.62-0.72 pts
41Mesa County Estimated1.49+0.51 pts
42Kiowa County Estimated1.44+0.01 pts
43Sedgwick County Estimated1.31+0.01 pts
44Cheyenne County Estimated1.17-5.79 pts
45Otero County Estimated1.11+0.73 pts
46Crowley County Estimated0.89+1.06 pts
47Chaffee County Estimated0.82-0.35 pts
48Park County Estimated0.77-0.23 pts
49Fremont County Estimated0.48+0.4 pts
50Saguache County Estimated0.45+0.3 pts
51Huerfano County Estimated0.43+0.71 pts
52Custer County Estimated0.18-0.19 pts
53Clear Creek County Estimated0.11-0.43 pts
54Elbert County Estimated0.1-0.14 pts
55Costilla County Estimated00 pts
55Dolores County Estimated00 pts
55Gilpin County Estimated0-0.68 pts
55Hinsdale County Estimated00 pts
55Lincoln County Estimated00 pts
55Mineral County Estimated00 pts
61Conejos County Estimated-0.13-0 pts
62Bent County Estimated-0.170 pts
63Rio Grande County Estimated-0.18+0.09 pts
64San Juan County Estimated-1.23-1.23 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 Colorado by net international migration rate, July to June, 2024) [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, 2024. 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?period=2024. 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, 2024. 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?period=2024.

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, 2024 [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?period=2024 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_by_2024,
  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, 2024}},
  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?period=2024. 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, 2024
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?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/colorado-counties?period=2024.
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?

Arapahoe County, with 20.45 per 1,000 inhabitants in 2024, according to the U.S. Census Bureau.

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

San Juan County, with -1.23 per 1,000 inhabitants in 2024.

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