US Census Data

Fastest-shrinking (2019–2023) in Colorado

Colorado counties and cities ranked by population change.

This page ranks the counties and cities of Colorado by population change — which have the steepest population decline since 2019, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Cheyenne County leads at -14.5%.

Among cities & places, Conejos leads at -100.0%.

Counties

#NamePopulation change 2019–2023
1Cheyenne County-14.5%
2Kiowa County-8.9%
3Conejos County-7.3%
4Logan County-5.9%
5Kit Carson County-5.8%
6Costilla County-4.6%
7Bent County-4.5%
8Pitkin County-4.5%
9Lake County-4.4%
10Mineral County-3.0%
11Baca County-2.8%
12Gilpin County-2.3%
13Clear Creek County-1.4%
14Saguache County-1.2%
15Yuma County-0.8%
16Prowers County-0.8%
17Park County-0.7%
18Washington County-0.6%
19Lincoln County-0.4%
20Crowley County-0.3%
21Routt County-0.3%
22San Miguel County-0.3%
23Montezuma County+0.7%
24Summit County+0.7%
25Rio Grande County+0.8%
26La Plata County+0.8%
27Jefferson County+0.9%
28Las Animas County+0.9%
29Otero County+1.0%
30Moffat County+1.0%
31Teller County+1.0%
32Sedgwick County+1.0%
33Denver County+1.2%
34Eagle County+1.3%
35Chaffee County+1.6%
36Pueblo County+1.7%
37Arapahoe County+1.7%
38Boulder County+1.8%
39Rio Blanco County+2.1%
40Gunnison County+2.1%
41Morgan County+2.3%
42Alamosa County+2.5%
43Delta County+2.6%
44Grand County+3.2%
45Archuleta County+3.6%
46Montrose County+3.8%
47Huerfano County+4.0%
48Adams County+4.0%
49Mesa County+4.0%
50Fremont County+4.4%
51Phillips County+4.7%
52Ouray County+4.8%
53Garfield County+5.0%
54El Paso County+5.3%
55Larimer County+5.4%
56Elbert County+5.6%
57Custer County+6.2%
58Hinsdale County+9.6%
59Douglas County+9.6%
60Broomfield County+10.6%
61Weld County+11.6%
62Jackson County+12.8%
63San Juan County+17.1%
64Dolores County+28.4%

Cities & places

Top 100.
#NamePopulation change 2019–2023
1Conejos-100.0%
2McCoy-100.0%
3Sawpit-91.3%
4Lynn-90.2%
5Laird-89.8%
6Snyder-81.4%
7San Acacio-80.3%
8St. Mary's-79.0%
9Heeney-78.9%
10Two Buttes-72.9%
11Peoria-69.9%
12Jansen-67.0%
13Padroni-66.7%
14Crestone-64.0%
15Kirk-63.7%
16Seven Hills-63.3%
17Sedalia-63.2%
18Alpine-61.6%
19Parshall-59.0%
20Trail Side-57.9%
21Avondale-57.9%
22Midland-53.2%
23Valdez-52.9%
24Amherst-52.8%
25North Washington-48.7%
26Johnson Village-48.4%
27Hoehne-47.7%
28Pine Brook Hill-46.3%
29Eldorado Springs-45.7%
30Moffat-45.7%
31Cattle Creek-43.9%
32Copper Mountain-43.8%
33Weldona-42.3%
34Bonanza Mountain Estates-41.6%
35Swink-41.4%
36Sheridan Lake-41.4%
37Southern Ute-41.4%
38Glendale-40.8%
39Brick Center-40.6%
40Branson-38.9%
41Larkspur-38.5%
42Mancos-37.6%
43Woody Creek-35.9%
44Alma-35.8%
45Blanca-34.5%
46Leadville North-34.5%
47Holly-33.9%
48Kit Carson-32.3%
49Oak Creek-32.0%
50Valmont-29.2%
51Kersey-28.8%
52Hudson-28.7%
53Calhan-27.6%
54Louviers-27.5%
55Nunn-27.5%
56La Jara-27.4%
57Aspen Park-27.2%
58Hasty-27.1%
59Orchard-26.9%
60Collbran-26.6%
61Blende-26.5%
62Rye-26.4%
63San Luis-26.3%
64Elbert-25.7%
65Ophir-25.4%
66Colorado City-23.7%
67Crook-23.7%
68Saddle Ridge-23.7%
69Walsh-23.1%
70Floyd Hill-22.9%
71Fraser-22.4%
72El Moro-22.2%
73Log Lane Village-22.1%
74Paoli-21.7%
75Hartman-21.3%
76Coaldale-21.1%
77Cripple Creek-19.5%
78Crowley-19.1%
79Campo-18.8%
80Eads-18.6%
81Kim-18.2%
82Red Cliff-18.0%
83Akron-17.8%
84Simla-17.5%
85Yampa-17.2%
86St. Ann Highlands-17.2%
87Mountain View-17.1%
88El Jebel-16.7%
89Pagosa Springs-16.5%
90Granada-16.5%
91Mount Crested Butte-16.2%
92Aetna Estates-15.8%
93La Veta-14.0%
94Vail-13.7%
95Lyons-13.5%
96Iliff-13.2%
97Kiowa-13.2%
98Grover-13.1%
99Acres Green-12.6%
100Kittredge-12.6%

Nationwide

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Other rankings in Colorado

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