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

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

Phillips County had the highest net international migration rate, July to June of 64 counties in 2018, at 14.28 per 1,000 inhabitants. Delta County had the lowest, at -0.29 per 1,000 inhabitants. The median was 0.78 per 1,000 inhabitants and the figure for Colorado was 2 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest14.28Phillips County
Lowest-0.29Delta County
Median0.7864 counties
Colorado2History

Map of counties, 2018

Adams County: 2.48 per 1,000 inhabitantsAlamosa County: 0.74 per 1,000 inhabitantsArapahoe County: 3.79 per 1,000 inhabitantsArchuleta County: 0.82 per 1,000 inhabitantsBaca County: 0.84 per 1,000 inhabitantsBent County: 0.17 per 1,000 inhabitantsBoulder County: 3.2 per 1,000 inhabitantsBroomfield County: 1.6 per 1,000 inhabitantsChaffee County: 0.5 per 1,000 inhabitantsCheyenne County: 2.15 per 1,000 inhabitantsClear Creek County: 1.88 per 1,000 inhabitantsConejos County: 0.49 per 1,000 inhabitantsCostilla County: 3.44 per 1,000 inhabitantsCrowley County: 3.59 per 1,000 inhabitantsCuster County: 0 per 1,000 inhabitantsDelta County: -0.29 per 1,000 inhabitantsDenver County: 3.12 per 1,000 inhabitantsDolores County: 0 per 1,000 inhabitantsDouglas County: 1.98 per 1,000 inhabitantsEagle County: 3.83 per 1,000 inhabitantsElbert County: 0.58 per 1,000 inhabitantsEl Paso County: 0.58 per 1,000 inhabitantsFremont County: 0.08 per 1,000 inhabitantsGarfield County: 1.65 per 1,000 inhabitantsGilpin County: 0 per 1,000 inhabitantsGrand County: 1.1 per 1,000 inhabitantsGunnison County: 0.53 per 1,000 inhabitantsHinsdale County: 0 per 1,000 inhabitantsHuerfano County: 0.59 per 1,000 inhabitantsJackson County: 0.72 per 1,000 inhabitantsJefferson County: 1.38 per 1,000 inhabitantsKiowa County: 0.73 per 1,000 inhabitantsKit Carson County: 1.26 per 1,000 inhabitantsLake County: 1.16 per 1,000 inhabitantsLa Plata County: 0.34 per 1,000 inhabitantsLarimer County: 1.66 per 1,000 inhabitantsLas Animas County: 2.09 per 1,000 inhabitantsLincoln County: 0.9 per 1,000 inhabitantsLogan County: 0 per 1,000 inhabitantsMesa County: 0.39 per 1,000 inhabitantsMineral County: 0 per 1,000 inhabitantsMoffat County: 0.61 per 1,000 inhabitantsMontezuma County: -0.19 per 1,000 inhabitantsMontrose County: 0.14 per 1,000 inhabitantsMorgan County: 6.35 per 1,000 inhabitantsOtero County: 0.44 per 1,000 inhabitantsOuray County: 0 per 1,000 inhabitantsPark County: 0.33 per 1,000 inhabitantsPhillips County: 14.28 per 1,000 inhabitantsPitkin County: 6.26 per 1,000 inhabitantsProwers County: 0.83 per 1,000 inhabitantsPueblo County: 0.31 per 1,000 inhabitantsRio Blanco County: 2.2 per 1,000 inhabitantsRio Grande County: 0.71 per 1,000 inhabitantsRoutt County: 1.93 per 1,000 inhabitantsSaguache County: 1.04 per 1,000 inhabitantsSan Juan County: 0 per 1,000 inhabitantsSan Miguel County: 5.29 per 1,000 inhabitantsSedgwick County: 0 per 1,000 inhabitantsSummit County: 4.06 per 1,000 inhabitantsTeller County: -0.04 per 1,000 inhabitantsWashington County: -0.2 per 1,000 inhabitantsWeld County: 1.42 per 1,000 inhabitantsYuma County: 6.12 per 1,000 inhabitants
  • Under -0.2
  • -0.2 to 0
  • 0 to 0.6
  • 0.6 to 1.7
  • 1.7 and over
per 1,000 inhabitants, 2018. 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, 2018

Phillips County: 14.28 per 1,000 inhabitantsPhillips County14.28Morgan County: 6.35 per 1,000 inhabitantsMorgan County6.35Pitkin County: 6.26 per 1,000 inhabitantsPitkin County6.26Yuma County: 6.12 per 1,000 inhabitantsYuma County6.12San Miguel County: 5.29 per 1,000 inhabitantsSan Miguel County5.29Summit County: 4.06 per 1,000 inhabitantsSummit County4.06Eagle County: 3.83 per 1,000 inhabitantsEagle County3.83Arapahoe County: 3.79 per 1,000 inhabitantsArapahoe County3.79Crowley County: 3.59 per 1,000 inhabitantsCrowley County3.59Costilla County: 3.44 per 1,000 inhabitantsCostilla County3.44Boulder County: 3.2 per 1,000 inhabitantsBoulder County3.2Denver County: 3.12 per 1,000 inhabitantsDenver County3.12Adams County: 2.48 per 1,000 inhabitantsAdams County2.48Rio Blanco County: 2.2 per 1,000 inhabitantsRio Blanco County2.2Cheyenne County: 2.15 per 1,000 inhabitantsCheyenne County2.15Las Animas County: 2.09 per 1,000 inhabitantsLas Animas County2.09Douglas County: 1.98 per 1,000 inhabitantsDouglas County1.98Routt County: 1.93 per 1,000 inhabitantsRoutt County1.93Clear Creek County: 1.88 per 1,000 inhabitantsClear Creek County1.88Larimer County: 1.66 per 1,000 inhabitantsLarimer County1.66Garfield County: 1.65 per 1,000 inhabitantsGarfield County1.65Broomfield County: 1.6 per 1,000 inhabitantsBroomfield County1.6Weld County: 1.42 per 1,000 inhabitantsWeld County1.42Jefferson County: 1.38 per 1,000 inhabitantsJefferson County1.38Kit Carson County: 1.26 per 1,000 inhabitantsKit Carson County1.26Lake County: 1.16 per 1,000 inhabitantsLake County1.16Grand County: 1.1 per 1,000 inhabitantsGrand County1.1Saguache County: 1.04 per 1,000 inhabitantsSaguache County1.04Lincoln County: 0.9 per 1,000 inhabitantsLincoln County0.9Baca County: 0.84 per 1,000 inhabitantsBaca County0.84Prowers County: 0.83 per 1,000 inhabitantsProwers County0.83Archuleta County: 0.82 per 1,000 inhabitantsArchuleta County0.82Alamosa County: 0.74 per 1,000 inhabitantsAlamosa County0.74Kiowa County: 0.73 per 1,000 inhabitantsKiowa County0.73Jackson County: 0.72 per 1,000 inhabitantsJackson County0.72Rio Grande County: 0.71 per 1,000 inhabitantsRio Grande County0.71Moffat County: 0.61 per 1,000 inhabitantsMoffat County0.61Huerfano County: 0.59 per 1,000 inhabitantsHuerfano County0.59Elbert County: 0.58 per 1,000 inhabitantsElbert County0.58El Paso County: 0.58 per 1,000 inhabitantsEl Paso County0.58Phillips County: 14.28 per 1,000 inhabitantsPhillips County14.28Morgan County: 6.35 per 1,000 inhabitantsMorgan County6.35Pitkin County: 6.26 per 1,000 inhabitantsPitkin County6.26Yuma County: 6.12 per 1,000 inhabitantsYuma County6.12San Miguel County: 5.29 per 1,000 inhabitantsSan Miguel County5.29Summit County: 4.06 per 1,000 inhabitantsSummit County4.06Eagle County: 3.83 per 1,000 inhabitantsEagle County3.83Arapahoe County: 3.79 per 1,000 inhabitantsArapahoe County3.79Crowley County: 3.59 per 1,000 inhabitantsCrowley County3.59Costilla County: 3.44 per 1,000 inhabitantsCostilla County3.44Boulder County: 3.2 per 1,000 inhabitantsBoulder County3.2Denver County: 3.12 per 1,000 inhabitantsDenver County3.12Adams County: 2.48 per 1,000 inhabitantsAdams County2.48Rio Blanco County: 2.2 per 1,000 inhabitantsRio Blanco County2.2Cheyenne County: 2.15 per 1,000 inhabitantsCheyenne County2.15Las Animas County: 2.09 per 1,000 inhabitantsLas Animas County2.09Douglas County: 1.98 per 1,000 inhabitantsDouglas County1.98Routt County: 1.93 per 1,000 inhabitantsRoutt County1.93Clear Creek County: 1.88 per 1,000 inhabitantsClear Creek County1.88Larimer County: 1.66 per 1,000 inhabitantsLarimer County1.66Garfield County: 1.65 per 1,000 inhabitantsGarfield County1.65Broomfield County: 1.6 per 1,000 inhabitantsBroomfield County1.6Weld County: 1.42 per 1,000 inhabitantsWeld County1.42Jefferson County: 1.38 per 1,000 inhabitantsJefferson County1.38Kit Carson County: 1.26 per 1,000 inhabitantsKit Carson County1.26Lake County: 1.16 per 1,000 inhabitantsLake County1.16Grand County: 1.1 per 1,000 inhabitantsGrand County1.1Saguache County: 1.04 per 1,000 inhabitantsSaguache County1.04Lincoln County: 0.9 per 1,000 inhabitantsLincoln County0.9Baca County: 0.84 per 1,000 inhabitantsBaca County0.84Prowers County: 0.83 per 1,000 inhabitantsProwers County0.83Archuleta County: 0.82 per 1,000 inhabitantsArchuleta County0.82Alamosa County: 0.74 per 1,000 inhabitantsAlamosa County0.74Kiowa County: 0.73 per 1,000 inhabitantsKiowa County0.73Jackson County: 0.72 per 1,000 inhabitantsJackson County0.72Rio Grande County: 0.71 per 1,000 inhabitantsRio Grande County0.71Moffat County: 0.61 per 1,000 inhabitantsMoffat County0.61Huerfano County: 0.59 per 1,000 inhabitantsHuerfano County0.59Elbert County: 0.58 per 1,000 inhabitantsElbert County0.58El Paso County: 0.58 per 1,000 inhabitantsEl Paso County0.58
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

RankCounties2018
per 1,000 inhabitants		Change on 2017
1Phillips County Estimated14.28+3.18 pts
2Morgan County Estimated6.35+1.42 pts
3Pitkin County Estimated6.26+0.88 pts
4Yuma County Estimated6.12+2.03 pts
5San Miguel County Estimated5.29+1.56 pts
6Summit County Estimated4.06+0.61 pts
7Eagle County Estimated3.83+0.99 pts
8Arapahoe County Estimated3.79+0.66 pts
9Crowley County Estimated3.59+1.61 pts
10Costilla County Estimated3.44+1.02 pts
11Boulder County Estimated3.2+0.58 pts
12Denver County Estimated3.12+0.77 pts
13Adams County Estimated2.48+0.75 pts
14Rio Blanco County Estimated2.2+0.64 pts
15Cheyenne County Estimated2.15-0.01 pts
16Las Animas County Estimated2.09+0.04 pts
17Douglas County Estimated1.98+0.31 pts
18Routt County Estimated1.93+0.29 pts
19Clear Creek County Estimated1.88+0.4 pts
20Larimer County Estimated1.66+0.33 pts
21Garfield County Estimated1.65+0.97 pts
22Broomfield County Estimated1.6+0.23 pts
23Weld County Estimated1.42+0.44 pts
24Jefferson County Estimated1.38+0.32 pts
25Kit Carson County Estimated1.26+0.58 pts
26Lake County Estimated1.16+0.63 pts
27Grand County Estimated1.1+0.31 pts
28Saguache County Estimated1.04-0.03 pts
29Lincoln County Estimated0.9+0.18 pts
30Baca County Estimated0.84-0.01 pts
31Prowers County Estimated0.83+0.5 pts
32Archuleta County Estimated0.82+0.2 pts
33Alamosa County Estimated0.74+0.56 pts
34Kiowa County Estimated0.73-0.01 pts
35Jackson County Estimated0.72-0.01 pts
36Rio Grande County Estimated0.71+0.53 pts
37Moffat County Estimated0.61+0.3 pts
38Huerfano County Estimated0.59+0.29 pts
39Elbert County Estimated0.58+0.14 pts
40El Paso County Estimated0.58-0.21 pts
41Gunnison County Estimated0.53+0.05 pts
42Chaffee County Estimated0.5-0.01 pts
43Conejos County Estimated0.49-0 pts
44Otero County Estimated0.44+0.27 pts
45Mesa County Estimated0.39+0.21 pts
46La Plata County Estimated0.34+0.18 pts
47Park County Estimated0.33+0.1 pts
48Pueblo County Estimated0.31+0.16 pts
49Bent County Estimated0.170 pts
50Montrose County Estimated0.14+0.29 pts
51Fremont County Estimated0.08+0.02 pts
52Custer County Estimated00 pts
52Dolores County Estimated00 pts
52Gilpin County Estimated00 pts
52Hinsdale County Estimated00 pts
52Logan County Estimated0+0.13 pts
52Mineral County Estimated00 pts
52Ouray County Estimated00 pts
52San Juan County Estimated00 pts
52Sedgwick County Estimated00 pts
61Teller County Estimated-0.04+0.04 pts
62Montezuma County Estimated-0.190 pts
63Washington County Estimated-0.20 pts
64Delta County Estimated-0.290 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, 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 Colorado 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/colorado-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 Colorado 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/colorado-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 Colorado 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/colorado-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_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 Colorado 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/colorado-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 Colorado 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/colorado-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/colorado-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  -
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Questions

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

Phillips County, with 14.28 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?

Delta County, with -0.29 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.

Net international migration rate, July to June: other rankings

Counties in Colorado: more rankings