Oldest Cities in Colorado by Median Age

The top 25 of 54 Colorado cities on GIS Map, ranked by highest median age.

#	City	County	Median age	Population
1	Vail	Eagle	49.8 years	4,613
2	Telluride	San Miguel	48.9 years	2,160
3	Black Forest	El Paso	48.4 years	15,738
4	Montrose	Montrose	47 years	21,044
5	Canon City	Fremont	46.2 years	17,122
6	Salida	Chaffee	44.1 years	5,861
7	Steamboat Springs	Routt	43.9 years	13,433
8	Aspen	Pitkin	43.7 years	6,756
9	Louisville	Boulder	42.6 years	20,786
10	Centennial	Arapahoe	42 years	108,201
11	Trinidad	Las Animas	41.9 years	8,286
12	Wheat Ridge	Jefferson	41.9 years	32,070
13	Pueblo West	Pueblo	40.9 years	35,681
14	Windsor	Weld	40.9 years	37,914
15	Littleton	Arapahoe	40.8 years	44,710
16	Loveland	Larimer	40.7 years	78,410
17	Grand Junction	Mesa	40.4 years	68,142
18	Delta	Delta	40.3 years	9,421
19	Longmont	Boulder	40.3 years	99,406
20	Breckenridge	Summit	40.2 years	4,959
21	Craig	Moffat	40.2 years	8,991
22	Arvada	Jefferson	40 years	122,634
23	Lafayette	Boulder	39.1 years	30,602
24	Broomfield	Broomfield	38.6 years	76,304
25	Pueblo	Pueblo	38.4 years	111,561

Top Colorado Counties

Counties ranked by highest median age.

1. Custer County58.2 years 2. Dolores County56.7 years 3. Mineral County56.4 years 4. Ouray County55.4 years 5. Huerfano County55.3 years 6. Teller County52.2 years 7. Archuleta County52.1 years 8. Jackson County51.6 years 9. Park County51.2 years 10. Costilla County50.5 years

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Oldest Cities in Colorado by Median Age”, https://gismap.land/rankings/colorado/oldest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

Oldest Cities in Colorado by Median Age

Top Colorado Counties

More Colorado rankings