RANKING · 2020 CENSUS · 28 SHOWN OF 28

Highest Australian population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Australian ancestry (2023 American Community Survey). A concentration measure: Australian residents as a percentage of total population. This list covers the 28 counties in Colorado that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Australian population share by state

RANKPLACESTATEPOPAUSTRALIAN SHAREVS 2000

01San Miguel County, COCO7,7530.7%–

02Hinsdale County, COCO7530.5%–

03Pitkin County, COCO16,6250.5%–

04Baca County, COCO3,3470.4%–

05Lake County, COCO7,5520.3%–

06Eagle County, COCO54,2910.2%–

07Douglas County, COCO399,3960.2%–

08Archuleta County, COCO14,3060.1%–

09Logan County, COCO20,6540.1%–

10Boulder County, COCO328,5600.1%–

11Huerfano County, COCO7,0110.1%–

12Gilpin County, COCO6,0730.1%–

13Arapahoe County, COCO673,8200.1%–

14Jefferson County, COCO580,4510.1%–

15Larimer County, COCO377,2920.1%–

16El Paso County, COCO757,0400.0%–

17Adams County, COCO554,6680.0%–

18Mesa County, COCO162,8450.0%–

19Denver County, COCO740,6130.0%–

20Ouray County, COCO5,2650.0%–

21Routt County, COCO25,3290.0%–

22Montezuma County, COCO26,6780.0%–

23La Plata County, COCO56,8980.0%–

24Delta County, COCO32,1780.0%–

25Weld County, COCO378,4260.0%–

26Broomfield County, COCO79,1740.0%–

27Garfield County, COCO63,4740.0%–

28Pueblo County, COCO169,2770.0%–

SHOWING 1–28 OF 28

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES