RANKING · 2024 ACS · 64 SHOWN OF 64

Largest households, Colorado counties

Colorado counties ranked by average household size (2024 ACS). This list covers the 64 counties in Colorado that qualify, ranked against each other statewide. The median across all 64 is 2.28. Biggest climber in the top 100 since 2020: Fremont County, CO, up 31 places to #26.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Crowley County, COCO5,6772.92−8%

02▲1Adams County, COCO554,6682.79−2%

03▲1Elbert County, COCO30,5342.780%

04▼2Weld County, COCO378,4262.78+1%

05▲1Douglas County, COCO399,3962.69−3%

06▲1Garfield County, COCO63,4742.62−3%

07▲5Morgan County, COCO30,3062.62−1%

08Arapahoe County, COCO673,8202.55+2%

09▼4Eagle County, COCO54,2912.50−10%

10▼1El Paso County, COCO757,0402.48−3%

11▲26Prowers County, COCO11,8842.44−2%

12▲9Moffat County, COCO13,1222.43−4%

13▼3Summit County, COCO31,5172.42−4%

14▲26Lake County, COCO7,5522.40−5%

15▲15Yuma County, COCO9,8962.40−4%

16▼2Broomfield County, COCO79,1742.39−9%

17▲2Pueblo County, COCO169,2772.39−3%

18▲16Montrose County, COCO44,5912.38−2%

19▲27Kit Carson County, COCO7,0692.38−4%

20▲13Delta County, COCO32,1782.360%

21▼3Conejos County, COCO7,5292.36−9%

22▼2Jefferson County, COCO580,4512.36−2%

23▲5Alamosa County, COCO16,6882.35−1%

24▲23Otero County, COCO17,6832.35+2%

25▼8Mesa County, COCO162,8452.34−4%

26▲31Fremont County, COCO50,0392.33+14%

27▲15Archuleta County, COCO14,3062.32−35%

28▼12Larimer County, COCO377,2922.31−4%

29▼7Montezuma County, COCO26,6782.31+1%

30▼6Boulder County, COCO328,5602.30−3%

31▲14Kiowa County, COCO1,4122.28+2%

32▲11Lincoln County, COCO5,6452.28−3%

33▼8Phillips County, COCO4,4202.27−3%

34▲24Bent County, COCO5,7162.26−2%

35▼22Logan County, COCO20,6542.26−11%

36▼21La Plata County, COCO56,8982.24−5%

37▲12Washington County, COCO4,7322.24+3%

38▼6Rio Blanco County, COCO6,6832.23−8%

39Sedgwick County, COCO2,2472.210%

40▲11Huerfano County, COCO7,0112.20+12%

41▼18Routt County, COCO25,3292.18−2%

42▼1Costilla County, COCO3,6792.17−11%

43▼17Cheyenne County, COCO1,7132.17−14%

44Rio Grande County, COCO11,0872.16−32%

45▼18Denver County, COCO740,6132.10−6%

46▼17Grand County, COCO16,4962.09−23%

47▲17Las Animas County, COCO14,3912.09−13%

48▼10Teller County, COCO24,7562.08−17%

49▲12Jackson County, COCO1,2112.05−3%

50▲13Baca County, COCO3,3472.02−9%

51▼40Park County, COCO18,3141.99−9%

52▲1Clear Creek County, COCO8,9941.96−10%

53▲7Hinsdale County, COCO7531.96+2%

54▲1Custer County, COCO5,5901.95−7%

55▲7Dolores County, COCO2,4661.94−24%

56▼4Ouray County, COCO5,2651.94−24%

57▼22Saguache County, COCO6,7321.93−13%

58▼4Chaffee County, COCO20,8311.90−13%

59▼23Gunnison County, COCO17,4391.89−16%

60▼4Mineral County, COCO9101.88−9%

61▼2Gilpin County, COCO6,0731.86−8%

62▼31Pitkin County, COCO16,6251.83−17%

63▼13San Juan County, COCO8131.81−1%

64▼16San Miguel County, COCO7,7531.73−23%

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