South Montana Cities

City	Rank	County	2026 Pop. ↓
Billings	1	Yellowstone County	123,608
Lockwood	2	Big Horn County	7,630
Laurel	3	Yellowstone County	7,265
Lewistown	4	Fergus County	6,320
Hardin	5	Big Horn County	3,675
Red Lodge	6	Carbon County	2,892
Crow Agency	7	Big Horn County	2,224
Roundup	8	Musselshell County	2,151
Columbus	9	Stillwater County	2,015
Absarokee	10	Stillwater County	963
Harlowton	11	Wheatland County	937
Park City	12	Stillwater County	923
Bridger	13	Carbon County	742
Muddy	14	Big Horn County	647
Pryor	15	Big Horn County	644
Joliet	16	Carbon County	639
Shepherd	17	Yellowstone County	635
Huntley	18	Yellowstone County	554
Worden	19	Yellowstone County	538
Rockvale	20	Carbon County	508
Lewistown Heights	21	Fergus County	502
Fromberg	22	Carbon County	437
Stanford	23	Judith Basin County	427
Busby	24	Big Horn County	423
Lodge Grass	25	Big Horn County	421
Klein	26	Musselshell County	321
Ballantine	27	Yellowstone County	287
Roberts	28	Carbon County	285
Wyola	29	Big Horn County	275
Hysham	30	Treasure County	262
Belfry	31	Carbon County	245
Ryegate	32	Golden Valley County	238
Nibbe	33	Yellowstone County	217
Denton	34	Fergus County	215
Moore	35	Fergus County	205
Winnett	36	Petroleum County	201
Hobson	37	Judith Basin County	189
Winifred	38	Fergus County	178
Melstone	39	Musselshell County	156
Custer	40	Yellowstone County	154
Bridger	41	Carbon County	146
Lavina	42	Golden Valley County	146
Roy	43	Fergus County	139
Broadview	44	Yellowstone County	136
Montaqua	45	Carbon County	133
Rapelje	46	Stillwater County	118
Grass Range	47	Fergus County	117
Bearcreek	48	Carbon County	107
Judith Gap	49	Wheatland County	107
Fishtail	50	Stillwater County	97
Reed Point	51	Stillwater County	95
St. Xavier	52	Big Horn County	95
Fort Smith	53	Big Horn County	92
Geyser	54	Judith Basin County	81
Fox	55	Carbon County	79
Edgar	56	Carbon County	71
Windham	57	Judith Basin County	70
Acton	58	Yellowstone County	69
Nye	59	Stillwater County	69
Mountain View Colony	60	Musselshell County	60
Coffee Creek	61	Fergus County	58
Raynesford	62	Judith Basin County	50
Camp Three	63	Musselshell County	46
Shawmut	64	Wheatland County	46
Springwater Colony	65	Wheatland County	43
Musselshell	66	Musselshell County	42
Fords Creek Colony	67	Fergus County	38
Luther	68	Carbon County	38
Boyd	69	Carbon County	32
Pompeys Pillar	70	Yellowstone County	31
Roscoe	71	Carbon County	30
King Ranch Colony	72	Fergus County	28
Moccasin	73	Judith Basin County	28
Golden Valley Colony	74	Golden Valley County	27
Deerfield Colony	75	Fergus County	25
Utica	76	Judith Basin County	22
Warm Spring Creek	77	Fergus County	22
Sapphire Ridge	78	Judith Basin County	21
Spring Creek Colony	79	Fergus County	21
Twodot	80	Wheatland County	18
Ayers Ranch Colony	81	Fergus County	17
Silesia	82	Carbon County	12
Danvers	83	Fergus County	7

City

Rank

County

2026 Pop. ↓

123,608

7,630