RANKING · 2024 ACS · 28 SHOWN OF 28

Highest Australian population share, Colorado counties

Colorado counties ranked by the share of all residents who are Australian ancestry (2024 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. The median across all 28 is 0.1%. Biggest climber in the top 100 since 2020: La Plata County, CO, up 14 places to #9.

Australian Americans: full group profile →

ColoradoAll states All rankings

SAME RANKING BYCities States Metros

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 2010

01▲3Baca County, COCO3,3470.4%–

02Park County, COCO18,3140.3%–

03Grand County, COCO16,4960.3%−0.1 pts

04▼3San Miguel County, COCO7,7530.3%−0.6 pts

05▲3Archuleta County, COCO14,3060.2%–

06Custer County, COCO5,5900.2%–

07▼4Pitkin County, COCO16,6250.2%−0.1 pts

08▼2Eagle County, COCO54,2910.2%−0.3 pts

09▲14La Plata County, COCO56,8980.2%+0.1 pts

10▲11Routt County, COCO25,3290.1%−0.1 pts

11Kit Carson County, COCO7,0690.1%–

12▼2Boulder County, COCO328,5600.1%0.0 pts

13▼6Douglas County, COCO399,3960.1%0.0 pts

14Gunnison County, COCO17,4390.1%−0.2 pts

15▲4Denver County, COCO740,6130.1%0.0 pts

16▲8Delta County, COCO32,1780.1%–

17▲10Garfield County, COCO63,4740.1%–

18▼4Jefferson County, COCO580,4510.1%0.0 pts

19▼4Larimer County, COCO377,2920.1%0.0 pts

20▲6Broomfield County, COCO79,1740.0%0.0 pts

21▼3Mesa County, COCO162,8450.0%0.0 pts

22▼6El Paso County, COCO757,0400.0%0.0 pts

23▼6Adams County, COCO554,6680.0%0.0 pts

24▼11Arapahoe County, COCO673,8200.0%0.0 pts

25Montrose County, COCO44,5910.0%–

26Yuma County, COCO9,8960.0%0.0 pts

27Fremont County, COCO50,0390.0%0.0 pts

28▼3Weld County, COCO378,4260.0%0.0 pts

SHOWING 1–28 OF 28

Download CSV (full list, 28 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES