Colorado Map

Counties of Colorado

S.N.CountyFIPS CodeCounty SeatEst.PopulationArea (sq mi)Area (km2)
1Adams County1Brighton1902-11-15441,6031,182.293,062
2Alamosa County3Alamosa1913-03-0815,445723.211,873
3Arapahoe County5Littleton1861-11-01572,003804.412,083
4Archuleta County7Pagosa Springs1885-04-1412,0841,354.533,508
5Baca County9Springfield1889-04-163,7882,558.486,626
6Bent County11Las Animas1870-02-116,4991,541.073,991
7Boulder County13Boulder1861-11-01294,567740.481,918
8City and County of Broomfield14Broomfield2001-11-1555,88933.5787
9Chaffee County15Salida1879-02-1017,8091,014.122,627
10Cheyenne County17Cheyenne Wells1889-03-251,8361,781.904,615
11Clear Creek County19Georgetown1861-11-019,088396.531,027
12Conejos County21Conejos1861-11-018,2561,290.223,342
13Costilla County23San Luis1861-11-013,5241,229.383,184
14Crowley County25Ordway1911-05-295,823800.272,073
15Custer County27Westcliffe1877-03-094,255739.241,915
16Delta County29Delta1883-02-1130,9521,149.442,977
17City and County of Denver31Denver1902-12-01600,158155.66403
18Dolores County33Dove Creek1881-03-042,0641,076.932,789
19Douglas County35Castle Rock1861-11-01285,465842.32,182
20Eagle County37Eagle1883-02-1152,1971,700.764,405
21El Paso County41Colorado Springs1861-11-01622,2632,128.605,513
22Elbert County39Kiowa1874-02-0223,0861,849.084,789
23Fremont County43Cañon City1861-11-0146,8241,533.093,971
24Garfield County45Glenwood Springs1883-02-1056,3892,958.237,662
25Gilpin County47Central City1861-11-015,441150.15389
26Grand County49Hot Sulphur Springs1874-02-0214,8431,868.534,839
27Gunnison County51Gunnison1877-03-0915,3243,259.228,441
28Hinsdale County53Lake City1874-02-108431,123.352,909
29Huerfano County55Walsenburg1861-11-016,7111,592.374,124
30Jackson County57Walden1909-05-051,3941,619.754,195
31Jefferson County59Golden1861-11-01534,543772.852,002
32Kiowa County61Eads1889-04-111,3981,785.904,625
33Kit Carson County63Burlington1889-04-118,2702,162.435,601
34La Plata County67Durango1874-02-1051,3341,700.444,404
35Lake County65Leadville1861-11-017,310383.55993
36Larimer County69Fort Collins1861-11-01299,6302,631.756,816
37Las Animas County71Trinidad1866-02-0915,5074,773.2712,363
38Lincoln County73Hugo1889-04-115,4672,585.216,696
39Logan County75Sterling1887-02-2522,7091,845.314,779
40Mesa County77Grand Junction1883-02-14146,7233,345.698,665
41Mineral County79Creede1893-03-27712878.162,274
42Moffat County81Craig1911-02-2713,7954,755.8612,318
43Montezuma County83Cortez1889-04-1625,5352,035.805,273
44Montrose County85Montrose1883-02-1141,2762,246.435,818
45Morgan County87Fort Morgan1889-02-1928,1591,293.833,351
46Otero County89La Junta1889-03-2518,8311,267.663,283
47Ouray County91Ouray1877-01-184,436542.31,405
48Park County93Fairplay1861-11-0116,2062,209.365,722
49Phillips County95Holyoke1889-03-274,442688.31,783
50Pitkin County97Aspen1881-02-2317,148970.372,513
51Prowers County99Lamar1889-04-1112,5511,645.374,261
52Pueblo County101Pueblo1861-11-01159,0632,396.776,208
53Rio Blanco County103Meeker1889-03-256,6663,226.248,356
54Rio Grande County105Del Norte1874-02-1011,982913.12,365
55Routt County107Steamboat Springs1877-01-2923,5092,362.116,118
56Saguache County109Saguache1866-12-296,1083,168.328,206
57San Juan County111Silverton1876-01-31699388.991,007
58San Miguel County113Telluride1883-03-027,3591,290.763,343
59Sedgwick County115Julesburg1889-04-092,379548.831,421
60Summit County117Breckenridge1861-11-0127,994618.921,603
61Teller County119Cripple Creek1899-03-2323,350558.581,447
62Washington County121Akron1887-02-094,8142,522.906,534
63Weld County123Greeley1861-11-01252,8254,013.8410,396
64Yuma County125Wray1889-03-1510,0432,369.616,137