| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cabin City | city | Montana | United States | 47.37 | -115.26 | 3602 | |
| Cabin Creek | city | Montana | United States | 46.61 | -104.42 | 2700 | |
| Cable City (historical) | city | Montana | United States | 46.20 | -113.21 | 6801 | |
| Cactus Flat (historical) | city | Montana | United States | 48.03 | -106.42 | 2509 | |
| Calais | city | Montana | United States | 48.15 | -104.82 | 1981 | |
| Calamity Janes Trailer Court | city | Montana | United States | 45.03 | -110.71 | 5400 | |
| Caldwell | city | Montana | United States | 48.97 | -108.17 | 2900 | |
| Caledonia (historical) | city | Montana | United States | 45.16 | -109.21 | 5029 | |
| Calkins (historical) | city | Montana | United States | 46.44 | -110.92 | 5091 | |
| Calvert | city | Montana | United States | 47.17 | -111.13 | 5029 | |
| Calypso | city | Montana | United States | 46.77 | -105.42 | 2509 | |
| Camas | city | Montana | United States | 47.62 | -114.66 | 2900 | |
| Camas Prairie | city | Montana | United States | 47.46 | -114.61 | 2801 | |
| Cameron | city | Montana | United States | 45.20 | -111.68 | 5400 | |
| Cameron (historical) | city | Montana | United States | 46.91 | -110.39 | 5869 | |
| Cameron Crossing | city | Montana | United States | 45.76 | -105.83 | 3349 | |
| Cameron Park | city | Montana | United States | 45.80 | -108.58 | 3366 | |
| Camona | city | Montana | United States | 45.77 | -111.08 | 4566 | |
| Camp Three | city | Montana | United States | 46.44 | -108.56 | 3349 | |
| Campbell Place | city | Montana | United States | 45.15 | -112.20 | 5869 | |
| Canton | city | Montana | United States | 46.41 | -111.50 | 4189 | |
| Canyon (historical) | city | Montana | United States | 47.18 | -109.21 | 5029 | |
| Canyon Creek | city | Montana | United States | 46.81 | -112.26 | 4396 | |
| Canyon Creek Boat Landing | city | Montana | United States | 48.21 | -113.77 | 3599 | |
| Canyon Ferry | city | Montana | United States | 46.66 | -111.72 | 4189 | |
| Canyon View Trailer Court | city | Montana | United States | 45.66 | -110.95 | 5029 | |
| Capitol | city | Montana | United States | 45.44 | -104.07 | 3349 | |
| Carbella | city | Montana | United States | 45.21 | -110.90 | 5029 | |
| Carbert | city | Montana | United States | 48.98 | -105.81 | 2598 | |
| Carbon Hill Trailer Court | city | Montana | United States | 46.40 | -105.82 | 2509 | |
| Cardwell | city | Montana | United States | 45.86 | -111.95 | 4347 | |
| Carlton | city | Montana | United States | 46.68 | -114.08 | 3349 | |
| Carlyle | city | Montana | United States | 46.66 | -104.08 | 3349 | |
| Carney | city | Montana | United States | 45.77 | -110.12 | 4189 | |
| Carols Court | city | Montana | United States | 46.88 | -113.89 | 3349 | |
| Carpenter | city | Montana | United States | 45.89 | -111.46 | 4189 | |
| Carperville (historical) | city | Montana | United States | 45.85 | -107.61 | 2824 | |
| Carr Trailer Court | city | Montana | United States | 45.64 | -109.25 | 3599 | |
| Carroll (historical) | city | Montana | United States | 47.57 | -108.37 | 2509 | |
| Carter | city | Montana | United States | 47.78 | -110.96 | 3349 | |
| Cartersville | city | Montana | United States | 46.30 | -106.47 | 2509 | |
| Cascade | city | Montana | United States | 47.27 | -111.70 | 3398 | |
| Cascade Colony | city | Montana | United States | 47.44 | -111.82 | 3608 | |
| Casitas Del Rio East Mobile Home Park | city | Montana | United States | 47.11 | -104.73 | 2040 | |
| Cassidy Curve | city | Montana | United States | 48.83 | -113.55 | 5029 | |
| Castle Rock (historical) | city | Montana | United States | 45.88 | -106.80 | 3500 | |
| Castle Town | city | Montana | United States | 46.44 | -110.67 | 6000 | |
| Castner Falls | city | Montana | United States | 47.31 | -111.50 | 3599 | |
| Cat Creek | city | Montana | United States | 47.07 | -108.01 | 2900 | |
| Catron | city | Montana | United States | 45.70 | -111.06 | 5029 | |
| Cavetown | city | Montana | United States | 46.65 | -111.70 | 4189 | |
| Cedar (historical) | city | Montana | United States | 48.09 | -116.01 | 2509 | |
| Cedar Junction (historical) | city | Montana | United States | 47.13 | -115.01 | 3599 | |
| Cedar Mouth (historical) | city | Montana | United States | 47.18 | -114.86 | 2896 | |
| Cedric | city | Montana | United States | 45.82 | -112.27 | 5104 | |
| Celander Trailer Court | city | Montana | United States | 45.70 | -111.03 | 5029 | |
| Centerville | city | Montana | United States | 47.39 | -111.14 | 3599 | |
| Centerville | city | Montana | United States | 46.02 | -112.55 | 5984 | |
| Centerville (historical) | city | Montana | United States | 47.06 | -110.65 | 5869 | |
| Centerville (historical) | city | Montana | United States | 45.45 | -112.42 | 5029 | |
| Centerville (historical) | city | Montana | United States | 45.16 | -112.98 | 6049 | |
| Central Avenue Trailer Court | city | Montana | United States | 47.61 | -114.68 | 3349 | |
| Central City (historical) | city | Montana | United States | 45.30 | -111.96 | 5869 | |
| Chadborn | city | Montana | United States | 45.81 | -110.54 | 5029 | |
| Chalk Buttes (historical) | city | Montana | United States | 45.66 | -104.74 | 3507 | |
| Champion (historical) | city | Montana | United States | 46.23 | -112.61 | 6709 | |
| Chance | city | Montana | United States | 45.01 | -109.06 | 4189 | |
| Chapman | city | Montana | United States | 48.87 | -108.13 | 2716 | |
| Charlo | city | Montana | United States | 47.44 | -114.17 | 3349 | |
| Charlos Heights | city | Montana | United States | 46.13 | -114.18 | 4189 | |
| Chausse (historical) | city | Montana | United States | 46.06 | -104.75 | 3349 | |
| Cheadle (historical) | city | Montana | United States | 47.06 | -109.15 | 4189 | |
| Checkerboard | city | Montana | United States | 46.57 | -110.55 | 5200 | |
| Chelsea | city | Montana | United States | 48.13 | -105.34 | 1958 | |
| Cherry Ridge (historical) | city | Montana | United States | 48.91 | -109.01 | 3349 | |
| Cherry Ridge Ranch | city | Montana | United States | 48.91 | -109.00 | 3349 | |
| Cherry Springs (historical) | city | Montana | United States | 45.31 | -108.99 | 4189 | |
| Chester | city | Montana | United States | 48.51 | -110.97 | 3349 | |
| Chestnut | city | Montana | United States | 45.65 | -110.89 | 5374 | |
| Chico | city | Montana | United States | 45.32 | -110.71 | 5869 | |
| Chico Hot Springs | city | Montana | United States | 45.34 | -110.69 | 5869 | |
| Chicory | city | Montana | United States | 45.41 | -110.70 | 5029 | |
| Childs | city | Montana | United States | 47.78 | -115.49 | 2509 | |
| Chimney Crossing | city | Montana | United States | 47.02 | -107.62 | 2880 | |
| Chimney Rock | city | Montana | United States | 45.55 | -110.74 | 5869 | |
| Chinatown | city | Montana | United States | 44.88 | -113.20 | 7549 | |
| Chinook | city | Montana | United States | 48.59 | -109.23 | 2509 | |
| Chippewa (historical) | city | Montana | United States | 47.09 | -108.94 | 3697 | |
| Choteau | city | Montana | United States | 47.81 | -112.18 | 4189 | |
| Choteau Junction | city | Montana | United States | 47.80 | -112.18 | 4189 | |
| Christina | city | Montana | United States | 47.38 | -109.32 | 3599 | |
| Churchill | city | Montana | United States | 45.75 | -111.30 | 4560 | |
| Cinnabar Court | city | Montana | United States | 46.48 | -114.09 | 3398 | |
| Circle | city | Montana | United States | 47.42 | -105.59 | 2509 | |
| Circle 'J' Mobile Park | city | Montana | United States | 46.88 | -113.90 | 3349 | |
| Circle Trailer Court | city | Montana | United States | 47.42 | -105.58 | 2509 | |
| City of Columbia Falls | city | Montana | United States | 48.37 | -114.18 | 3349 | |
| Clancy | city | Montana | United States | 46.47 | -111.99 | 4399 | |
| Clark (historical) | city | Montana | United States | 46.32 | -113.29 | 5869 | |
| Clarkston | city | Montana | United States | 46.03 | -111.41 | 4189 | |
| Clasoil | city | Montana | United States | 46.56 | -111.79 | 4189 | |
| Clear Creek Terrace Trailer Court | city | Montana | United States | 48.55 | -109.66 | 2529 | |
| Clearwater | city | Montana | United States | 47.00 | -113.38 | 4189 | |
| Cleiv | city | Montana | United States | 47.69 | -111.90 | 4189 | |
| Clemons (historical) | city | Montana | United States | 47.31 | -112.41 | 5029 | |
| Cleveland | city | Montana | United States | 48.27 | -109.15 | 3569 | |
| Cliff Lake | city | Montana | United States | 44.83 | -111.52 | 6138 | |
| Cline | city | Montana | United States | 45.88 | -108.41 | 3349 | |
| Clinton | city | Montana | United States | 46.77 | -113.71 | 3543 | |
| Clyde Park | city | Montana | United States | 45.89 | -110.60 | 5029 | |
| Coal Banks Landing | city | Montana | United States | 48.03 | -110.23 | 2591 | |
| Coal Creek (historical) | city | Montana | United States | 47.53 | -106.04 | 2598 | |
| Coalridge | city | Montana | United States | 48.70 | -104.19 | 2509 | |
| Coalville (historical) | city | Montana | United States | 45.40 | -108.92 | 3612 | |
| Coalwood | city | Montana | United States | 45.73 | -105.59 | 3392 | |
| Cobb | city | Montana | United States | 46.35 | -114.10 | 3517 | |
| Coburg | city | Montana | United States | 48.45 | -108.44 | 2509 | |
| Coffee Creek | city | Montana | United States | 47.35 | -110.08 | 3599 | |
| Cohagen | city | Montana | United States | 47.05 | -106.62 | 2700 | |
| Cold Spring | city | Montana | United States | 46.28 | -106.76 | 2532 | |
| Cole | city | Montana | United States | 48.54 | -107.47 | 2509 | |
| Colgate | city | Montana | United States | 47.01 | -104.76 | 2509 | |
| Collins | city | Montana | United States | 47.93 | -111.81 | 3402 | |
| Coloma | city | Montana | United States | 46.84 | -113.38 | 6131 | |
| Colony Bay (historical) | city | Montana | United States | 48.03 | -110.61 | 3349 | |
| Colstrip | city | Montana | United States | 45.88 | -106.62 | 3349 | |
| Columbia Falls | city | Montana | United States | 48.37 | -114.18 | 3349 | |
| Columbia Gardens | city | Montana | United States | 46.01 | -112.46 | 6158 | |
| Columbus | city | Montana | United States | 45.64 | -109.25 | 3599 | |
| Comanche | city | Montana | United States | 46.00 | -108.77 | 3759 | |
| Comertown | city | Montana | United States | 48.90 | -104.25 | 2509 | |
| Comet | city | Montana | United States | 46.31 | -112.17 | 6709 | |
| Como | city | Montana | United States | 46.09 | -114.18 | 4189 | |
| Condon | city | Montana | United States | 47.53 | -113.71 | 4189 | |
| Cone Butte (historical) | city | Montana | United States | 47.45 | -109.41 | 3700 | |
| Conkelley | city | Montana | United States | 48.39 | -114.13 | 3349 | |
| Conner | city | Montana | United States | 45.93 | -114.12 | 4189 | |
| Conrad | city | Montana | United States | 48.17 | -111.95 | 3540 | |
| Contact | city | Montana | United States | 45.51 | -110.23 | 5200 | |
| Content | city | Montana | United States | 48.02 | -107.56 | 2509 | |
| Cooke City | city | Montana | United States | 45.02 | -109.93 | 7785 | |
| Coolidge (historical) | city | Montana | United States | 45.49 | -113.04 | 8389 | |
| Cooper | city | Montana | United States | 47.52 | -111.14 | 3398 | |
| Cope Trailer Park | city | Montana | United States | 46.40 | -105.83 | 2509 | |
| Copper Camp (historical) | city | Montana | United States | 47.07 | -112.79 | 6889 | |
| Copper City | city | Montana | United States | 45.98 | -111.55 | 5029 | |
| Copper Cliff | city | Montana | United States | 46.81 | -113.45 | 5869 | |
| Coram | city | Montana | United States | 48.42 | -114.05 | 3349 | |
| Corbin | city | Montana | United States | 46.38 | -112.06 | 5029 | |
| Corbly (historical) | city | Montana | United States | 47.08 | -109.36 | 4189 | |
| Cordova | city | Montana | United States | 47.72 | -111.78 | 3740 | |
| Corette | city | Montana | United States | 44.65 | -111.15 | 6709 | |
| Corinth | city | Montana | United States | 45.86 | -107.96 | 3349 | |
| Corral | city | Montana | United States | 46.27 | -113.43 | 5869 | |
| Corral Creek (historical) | city | Montana | United States | 47.45 | -105.31 | 2598 | |
| Corvallis | city | Montana | United States | 46.31 | -114.11 | 3520 | |
| Corvallis Mobile Home Park | city | Montana | United States | 46.32 | -114.11 | 3536 | |
| Corwin Springs | city | Montana | United States | 45.11 | -110.79 | 5200 | |
| Cotton Trailer Court | city | Montana | United States | 47.15 | -110.22 | 4304 | |
| Cottonwood | city | Montana | United States | 47.01 | -109.51 | 4258 | |
| Coughlin | city | Montana | United States | 46.93 | -112.95 | 4343 | |
| Country Court | city | Montana | United States | 45.61 | -111.19 | 5029 | |
| Country Estates Mobile Home Park | city | Montana | United States | 48.39 | -114.19 | 3349 | |
| Countryside Court Mobile Home Park | city | Montana | United States | 46.89 | -114.07 | 3349 | |
| Countryside Village | city | Montana | United States | 47.54 | -111.30 | 3494 | |
| Covered Wagon Mobile Home Park | city | Montana | United States | 45.69 | -111.06 | 5029 | |
| Cow Island (historical) | city | Montana | United States | 47.79 | -108.93 | 2509 | |
| Cowan | city | Montana | United States | 45.72 | -111.19 | 4586 | |
| Cowboys Heaven | city | Montana | United States | 45.47 | -111.59 | 7549 | |
| Cozy Court | city | Montana | United States | 46.75 | -114.08 | 3349 | |
| Crackerville | city | Montana | United States | 46.06 | -112.81 | 5029 | |
| Craig | city | Montana | United States | 47.07 | -111.96 | 3599 | |
| Crain Place | city | Montana | United States | 46.04 | -106.31 | 3349 | |
| Crane | city | Montana | United States | 47.58 | -104.26 | 1971 | |
| Craver | city | Montana | United States | 45.70 | -109.38 | 4189 | |
| Cree Crossing | city | Montana | United States | 48.54 | -107.52 | 2509 | |
| Crescent City (historical) | city | Montana | United States | 47.07 | -114.81 | 4189 | |
| Creston | city | Montana | United States | 48.19 | -114.14 | 3349 | |
| Crow Agency | city | Montana | United States | 45.60 | -107.46 | 3349 | |
| Crow Creek City (historical) | city | Montana | United States | 46.18 | -111.61 | 4199 | |
| Crow Rock | city | Montana | United States | 46.91 | -106.07 | 2795 | |
| Crystal Ford | city | Montana | United States | 48.61 | -113.85 | 4288 | |
| Crystal Point | city | Montana | United States | 48.75 | -113.79 | 4189 | |
| Culbertson | city | Montana | United States | 48.14 | -104.52 | 1919 | |
| Curdys Cove | city | Montana | United States | 46.20 | -114.15 | 3776 | |
| Curry | city | Montana | United States | 47.09 | -104.63 | 2509 | |
| Cushman | city | Montana | United States | 46.29 | -109.04 | 3599 | |
| Custer | city | Montana | United States | 46.13 | -107.56 | 2791 | |
| Cut Bank | city | Montana | United States | 48.63 | -112.33 | 4189 | |
| Cutler (historical) | city | Montana | United States | 46.24 | -105.75 | 2509 | |
| Cypress (historical) | city | Montana | United States | 48.57 | -109.80 | 2562 | |
| Cyr | city | Montana | United States | 47.01 | -114.58 | 3349 |