Colorado Counties by Population

The most populated counties in Colorado are El Paso County with 744,215, Denver County at 716,577, Arapahoe County with 656,061, Jefferson County at 576,366, and Adams County with 533,365. You can get the most current Census population data for all 64 Colorado counties, sorted from the most populous counties in Colorado to the least, according to the 2023 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Colorado counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

Download the newest population data for Colorado counties

↓ Download (.xlsx)

Free, Excel™ file.
Trusted by 12,695 businesses.

Rank County Population
1 El Paso County 744,215
2 Denver County 716,577
3 Arapahoe County 656,061
4 Jefferson County 576,366
5 Adams County 533,365
6 Douglas County 383,906
7 Larimer County 370,771
8 Weld County 359,442
9 Boulder County 326,831
10 Pueblo County 169,422
11 Mesa County 159,681
12 Broomfield County 76,860
13 Garfield County 62,707
14 La Plata County 56,407
15 Eagle County 54,381
16 Fremont County 50,318
17 Montrose County 44,156
18 Delta County 31,746
19 Summit County 30,465
20 Morgan County 29,524
21 Elbert County 28,806
22 Montezuma County 26,531
23 Routt County 25,064
24 Teller County 24,617
25 Logan County 20,619
26 Chaffee County 20,617
27 Otero County 18,136
28 Park County 18,117
29 Gunnison County 17,321
30 Alamosa County 16,655
31 Pitkin County 16,640
32 Grand County 15,935
33 Las Animas County 14,348
34 Archuleta County 14,189
35 Moffat County 13,327
36 Prowers County 11,751
37 Rio Grande County 11,188
38 Yuma County 9,862
39 Clear Creek County 9,147
40 San Miguel County 7,868
41 Conejos County 7,521
42 Lake County 7,365
43 Huerfano County 7,055
44 Kit Carson County 6,994
45 Saguache County 6,688
46 Rio Blanco County 6,569
47 Gilpin County 5,926
48 Bent County 5,681
49 Crowley County 5,636
50 Custer County 5,534
51 Lincoln County 5,480
52 Ouray County 5,176
53 Washington County 4,855
54 Phillips County 4,476
55 Costilla County 3,628
56 Baca County 3,344
57 Dolores County 2,513
58 Sedgwick County 2,299
59 Cheyenne County 1,727
60 Kiowa County 1,384
61 Jackson County 1,309
62 Mineral County 944
63 San Juan County 802
64 Hinsdale County 765

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. U.S. Census Bureau, Population Division. Web. May 2024. http://www.census.gov/.

Connect

Cubit logo

© Copyright 2024 Cubit Planning, Inc.