RANKING · 2020 CENSUS · 19 SHOWN OF 19

Highest Bulgarian population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Bulgarian ancestry (2023 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 19 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 Bulgarian population share by state

RANKPLACESTATEPOPBULGARIAN SHAREVS 2000

01Pitkin County, COCO16,6250.5%–

02Kiowa County, COCO1,4120.1%–

03Broomfield County, COCO79,1740.1%–

04Park County, COCO18,3140.1%–

05Arapahoe County, COCO673,8200.1%–

06Weld County, COCO378,4260.1%–

07Adams County, COCO554,6680.1%–

08Boulder County, COCO328,5600.0%–

09Chaffee County, COCO20,8310.0%–

10Douglas County, COCO399,3960.0%–

11Fremont County, COCO50,0390.0%–

12Jefferson County, COCO580,4510.0%–

13El Paso County, COCO757,0400.0%–

14Routt County, COCO25,3290.0%–

15Denver County, COCO740,6130.0%–

16La Plata County, COCO56,8980.0%–

17Mesa County, COCO162,8450.0%–

18Larimer County, COCO377,2920.0%–

19Pueblo County, COCO169,2770.0%–

SHOWING 1–19 OF 19

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