RANKING · 2020 CENSUS · 28 SHOWN OF 28

Largest Australian population, Colorado counties · 2020

Colorado counties ranked by the number of residents who are Australian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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

Largest Australian population by state

RANKPLACESTATEPOPAUSTRALIAN POPULATIONVS 2010

01Douglas County, COCO399,396651+106%

02Arapahoe County, COCO673,820463+31%

03Jefferson County, COCO580,451410+51%

04Boulder County, COCO328,560376+139%

05El Paso County, COCO757,040349+232%

06Denver County, COCO740,613303+1%

07Adams County, COCO554,668246+356%

08Larimer County, COCO377,292206+145%

09Eagle County, COCO54,291107−58%

10Pitkin County, COCO16,62581+113%

11Mesa County, COCO162,84565−31%

12Weld County, COCO378,42657−30%

13San Miguel County, COCO7,75355−7%

14Logan County, COCO20,65426+44%

15Lake County, COCO7,55223–

16Archuleta County, COCO14,30616–

17Baca County, COCO3,34716–

18La Plata County, COCO56,89816−47%

19Broomfield County, COCO79,17412−75%

20Routt County, COCO25,32910−82%

21Montezuma County, COCO26,6788−53%

22Pueblo County, COCO169,2778–

23Delta County, COCO32,1787–

24Huerfano County, COCO7,0117+133%

25Garfield County, COCO63,4745–

26Gilpin County, COCO6,0735–

27Hinsdale County, COCO7534–

28Ouray County, COCO5,2652–

SHOWING 1–28 OF 28

Download CSV (full list, 28 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS