Name 2020 Population 2010 Population
Acres Green2,8993,007
Aetna Estates1,475834
Aguilar496534
Air Force Academy6,6336,680
Akron1,7831,705
Alamosa10,2219,314
Alamosa East1,4391,458
Allenspark401528
Alma332275
Alpine390174
Altona442501
Amherst195
Antonito763786
Applewood8,3087,160
Arboles313280
Aristocrat Ranchettes1,1001,344
Arriba202193
Arvada123,036106,882
Aspen7,2876,648
Aspen Park997882
Atwood83133
Ault1,9791,538
Aurora382,742326,073
Avon6,4426,374
Avondale727674
Name 2020 Population 2010 Population
Bark Ranch138213
Basalt4,6583,845
Battlement Mesa4,7354,471
Bayfield2,8472,346
Bennett2,4922,310
Berkley11,82211,207
Berthoud9,0905,200
Bethune233237
Beulah Valley646556
Black Forest14,27413,116
Black Hawk129118
Blanca407384
Blende821878
Blue River945851
Blue Sky15
Bonanza2116
Bonanza Mountain Estates214128
Boone370339
Boulder106,56798,512
Bow Mar934846
Brandon25
Branson7174
Breckenridge5,0384,572
Brick Center142107
Brighton43,99833,993
Brookside274235
Broomfield72,78356,221
Brush5,3845,485
Buena Vista2,9352,566
Burlington2,2884,251
Byers1,3071,160
Name 2020 Population 2010 Population
Eads612611
Eagle7,0856,501
East Pleasant View184356
Eaton5,8754,396
Eckley258257
Edgewater5,2945,177
Edwards10,07110,266
El Jebel4,1673,801
El Moro275221
Elbert193230
Eldora39142
Eldorado Springs704585
Elizabeth1,4521,351
Ellicott8391,131
Empire319282
Englewood35,16830,367
Erie28,00318,281
Estes Park6,3105,940
Evans21,91218,646
Evergreen8,6029,038
Name 2020 Population 2010 Population
Fairmount8,7107,559
Fairplay794683
Federal Heights13,04711,520
Firestone16,74810,309
Flagler543560
Fleming404409
Florence4,0363,882
Florissant148104
Floyd Hill1,131998
Fort Carson15,41013,813
Fort Collins172,862145,267
Fort Garland587433
Fort Lun8,8677,428
Fort Morgan11,37511,392
Fountain31,37826,140
Fowler1,1541,184
Foxfield780719
Franktown107395
Fraser1,3481,217
Frederick14,8068,709
Frisco3,2812,697
Fruita13,74212,645
Fruitvale8,0217,675
Fulford
Name 2020 Population 2010 Population
La Jara819828
La Junta7,2647,119
La Junta Gardens90153
La Salle2,7641,965
La Veta820795
Lafayette29,53824,563
Laird52
Lake City391407
Lakeside88
Lakewood158,660142,786
Lamar7,7587,959
Laporte2,4112,450
Larkspur211184
Las Animas2,1942,408
Lazy Acres868920
Leadville2,9002,584
Leadville North2,0311,794
Lewis121302
Leyner
Limon1,8981,883
Lincoln Park3,2903,546
Littleton50,50741,916
Lochbuie8,0264,811
Log Lane Village878875
Loghill Village604521
Loma1,1611,293
Lone Tree15,70511,390
Longmont99,38186,424
Louisville21,96718,433
Louviers307269
Loveland78,40267,057
Lynn57
Lyons2,1372,124