RANKING · 2024 ACS · 42 SHOWN OF 42

Highest Portuguese population share, Colorado counties

Colorado counties ranked by the share of all residents who are Portuguese ancestry (2024 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 42 counties in Colorado that qualify, ranked against each other statewide. The median across all 42 is 0.2%. Biggest climber in the top 100 since 2020: Alamosa County, CO, up 38 places to #2.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2010

01Costilla County, COCO3,6793.5%–

02▲38Alamosa County, COCO16,6881.9%+1.7 pts

03▲5Park County, COCO18,3140.6%+0.3 pts

04▲3Montezuma County, COCO26,6780.6%−0.1 pts

05▲17Mesa County, COCO162,8450.5%+0.3 pts

06▲12Boulder County, COCO328,5600.4%+0.2 pts

07▲16Conejos County, COCO7,5290.4%+0.1 pts

08▲4Adams County, COCO554,6680.3%+0.1 pts

09▲1Broomfield County, COCO79,1740.3%+0.1 pts

10▲7Douglas County, COCO399,3960.3%0.0 pts

11▲14Denver County, COCO740,6130.3%+0.1 pts

12▲26San Miguel County, COCO7,7530.3%0.0 pts

13▲14Jefferson County, COCO580,4510.3%+0.1 pts

14▲17Larimer County, COCO377,2920.3%0.0 pts

15▲9Arapahoe County, COCO673,8200.3%+0.1 pts

16▲17Pueblo County, COCO169,2770.3%+0.1 pts

17▲15Montrose County, COCO44,5910.3%+0.1 pts

18▲18Chaffee County, COCO20,8310.3%−0.3 pts

19▼3Crowley County, COCO5,6770.2%–

20▼14Summit County, COCO31,5170.2%+0.1 pts

21▲18Delta County, COCO32,1780.2%+0.1 pts

22▼3El Paso County, COCO757,0400.2%−0.1 pts

23▲18Weld County, COCO378,4260.2%0.0 pts

24▲4Teller County, COCO24,7560.2%+0.1 pts

25Bent County, COCO5,7160.2%–

26▼11Elbert County, COCO30,5340.2%−0.2 pts

27▲7Logan County, COCO20,6540.1%+0.1 pts

28▲16Eagle County, COCO54,2910.1%0.0 pts

29▼9La Plata County, COCO56,8980.1%−0.1 pts

30▼16Fremont County, COCO50,0390.1%0.0 pts

31Otero County, COCO17,6830.1%−0.2 pts

32▼6Garfield County, COCO63,4740.1%0.0 pts

33▲10Las Animas County, COCO14,3910.1%–

34▼30Pitkin County, COCO16,6250.1%−0.5 pts

35▼22Routt County, COCO25,3290.1%−0.2 pts

36▲11Washington County, COCO4,7320.1%–

37▼32Archuleta County, COCO14,3060.1%0.0 pts

38▼29Moffat County, COCO13,1220.0%−0.1 pts

39▼10Rio Grande County, COCO11,0870.0%0.0 pts

40▲5Grand County, COCO16,4960.0%0.0 pts

41Yuma County, COCO9,8960.0%–

42▼5Morgan County, COCO30,3060.0%−0.1 pts

SHOWING 1–42 OF 42

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