RANKING · 2020 CENSUS · 19 SHOWN OF 19

Largest Bulgarian population, Colorado counties · 2020

Colorado counties ranked by the number of residents who are Bulgarian 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 19 counties in Colorado that qualify, ranked against each other statewide.

Bulgarian Americans: full group profile →

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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 Bulgarian population by state

RANKPLACESTATEPOPBULGARIAN POPULATIONVS 2010

01Arapahoe County, COCO673,820389+374%

02Adams County, COCO554,668255−58%

03Jefferson County, COCO580,451189−30%

04El Paso County, COCO757,040174+129%

05Weld County, COCO378,426174+29%

06Denver County, COCO740,613166+19%

07Douglas County, COCO399,396119−30%

08Boulder County, COCO328,560117−14%

09Pitkin County, COCO16,62598–

10Broomfield County, COCO79,17490–

11Larimer County, COCO377,29226−89%

12Mesa County, COCO162,84523–

13Fremont County, COCO50,03916–

14La Plata County, COCO56,89812+9%

15Park County, COCO18,31411–

16Chaffee County, COCO20,8317−53%

17Routt County, COCO25,3296−45%

18Pueblo County, COCO169,2775–

19Kiowa County, COCO1,4122–

SHOWING 1–19 OF 19

Download CSV (full list, 19 rows)

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