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Median Age in Colorado, by County

Median Age for every county in Colorado, ranked. The highest is Custer County at 58.2 and the lowest is Alamosa County at 33.2.

Colorado: 37.7 · United States: 38.9 · median county in Colorado: 41.3

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#County Median Age
1Custer County58.2
2Dolores County56.7
3Mineral County56.4
4Ouray County55.4
5Huerfano County55.3
6Teller County52.2
7Archuleta County52.1
8Jackson County51.6
9Park County51.2
10Costilla County50.5
11Saguache County49.6
12Clear Creek County49.1
13Chaffee County48.7
14Hinsdale County48.5
15Delta County48.1
16Gilpin County47.2
17Pitkin County47.2
18Las Animas County46.6
19Montrose County46.1
20Grand County45.4
21Kiowa County45.4
22Elbert County45.0
23Fremont County44.7
24Montezuma County44.5
25Routt County43.4
26San Miguel County43.3
27La Plata County43.2
28Baca County43.0
29Cheyenne County42.9
30Sedgwick County42.6
31Otero County41.8
32Rio Grande County41.7
33Mesa County41.3
34Washington County41.3
35Lincoln County40.9
36Phillips County40.9
37Crowley County40.8
38Bent County40.6
39Conejos County40.6
40Jefferson County40.5
41Yuma County40.5
42Pueblo County40.4
43Moffat County40.1
44Eagle County39.7
45Douglas County39.6
46Kit Carson County39.5
47Summit County39.5
48Logan County39.2
49Broomfield County38.6
50Rio Blanco County37.8
51Boulder County37.7
52Prowers County37.7
53Garfield County37.6
54Gunnison County37.5
55Morgan County37.5
56San Juan County37.5
57Arapahoe County37.3
58Lake County37.3
59Larimer County36.8
60Denver County35.3
61Weld County35.3
62El Paso County35.1
63Adams County34.8
64Alamosa County33.2

Half of residents are older than this and half are younger.

Source: ACS 2020-2024 5-Year Estimates, 2024.

Colorado ranks 42nd of 52 states for median age.

Median Age in other states

Other statistics for Colorado by county