RANKING · 2000 CENSUS · 63 SHOWN OF 63

Largest senior population, Colorado counties · 2000

Colorado counties home to the most residents aged 65 and over as of 2000. Ranked by number of people, not the senior share. This list covers the 63 counties in Colorado that qualify, ranked against each other statewide.

ColoradoAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 1990

01Denver County, COCO740,61362,426−3%

02Jefferson County, COCO580,45150,826+43%

03El Paso County, COCO757,04044,787+41%

04Arapahoe County, COCO673,82041,929+44%

05Adams County, COCO554,66828,382+41%

06Larimer County, COCO377,29224,037+34%

07Boulder County, COCO328,56022,670+33%

08Pueblo County, COCO169,27721,456+16%

09Mesa County, COCO162,84517,642+32%

10Weld County, COCO378,42616,240+22%

11Douglas County, COCO399,3967,322+193%

12Fremont County, COCO50,0396,729+11%

13Delta County, COCO32,1785,473+17%

14Montrose County, COCO44,5915,098+28%

15La Plata County, COCO56,8984,128+29%

16Garfield County, COCO63,4743,840+29%

17Morgan County, COCO30,3063,541+6%

18Otero County, COCO17,6833,342−2%

19Montezuma County, COCO26,6783,299+44%

20Logan County, COCO20,6542,965+10%

21Chaffee County, COCO20,8312,762+31%

22Las Animas County, COCO14,3912,732−2%

23Prowers County, COCO11,8841,832+10%

24Rio Grande County, COCO11,0871,822+17%

25Yuma County, COCO9,8961,607+7%

26Teller County, COCO24,7561,540+71%

27Alamosa County, COCO16,6881,440+14%

28Huerfano County, COCO7,0111,338+7%

29Conejos County, COCO7,5291,258+21%

30Eagle County, COCO54,2911,249+76%

31Moffat County, COCO13,1221,233+32%

32Elbert County, COCO30,5341,192+56%

33Archuleta County, COCO14,3061,178+91%

34Kit Carson County, COCO7,0691,171+2%

35Park County, COCO18,3141,059+99%

36Baca County, COCO3,3471,014+8%

37Pitkin County, COCO16,6251,013+82%

38Routt County, COCO25,329992+23%

39Grand County, COCO16,496968+58%

40Gunnison County, COCO17,439965+47%

41Bent County, COCO5,716954−0%

42Washington County, COCO4,732898+6%

43Lincoln County, COCO5,645868−2%

44Phillips County, COCO4,420867−1%

45Summit County, COCO31,517770+172%

46Rio Blanco County, COCO6,683669+18%

47Clear Creek County, COCO8,994658+21%

48Saguache County, COCO6,732641+11%

49Costilla County, COCO3,679616+18%

50Sedgwick County, COCO2,247607−2%

51Crowley County, COCO5,677597+4%

52Custer County, COCO5,590517+82%

53Lake County, COCO7,552513+6%

54Ouray County, COCO5,265457+53%

55Cheyenne County, COCO1,713370−2%

56Dolores County, COCO2,466316+44%

57Kiowa County, COCO1,412285−14%

58Gilpin County, COCO6,073270+23%

59San Miguel County, COCO7,753222+41%

60Jackson County, COCO1,211206+20%

61Mineral County, COCO910144+71%

62Hinsdale County, COCO75392+56%

63San Juan County, COCO81339+18%

SHOWING 1–63 OF 63

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