US Census Data

Most densely populated in Montana

Montana counties and cities ranked by population density.

This page ranks the counties and cities of Montana by population density — which have the most people per square mile, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Yellowstone County leads at 64/sq mi.

Among cities & places, King Arthur Park leads at 5,064/sq mi.

Counties

#NamePeople / sq mi
1Yellowstone County64/sq mi
2Silver Bow County50/sq mi
3Gallatin County47/sq mi
4Missoula County46/sq mi
5Cascade County31/sq mi
6Lake County22/sq mi
7Flathead County21/sq mi
8Lewis and Clark County21/sq mi
9Ravalli County19/sq mi
10Deer Lodge County13/sq mi
11Jefferson County8/sq mi
12Park County6/sq mi
13Broadwater County6/sq mi
14Lincoln County6/sq mi
15Hill County6/sq mi
16Richland County5/sq mi
17Carbon County5/sq mi
18Stillwater County5/sq mi
19Sanders County5/sq mi
20Glacier County5/sq mi
21Roosevelt County5/sq mi
22Mineral County4/sq mi
23Dawson County4/sq mi
24Pondera County4/sq mi
25Custer County3/sq mi
26Powell County3/sq mi
27Teton County3/sq mi
28Musselshell County3/sq mi
29Fergus County3/sq mi
30Toole County3/sq mi
31Big Horn County3/sq mi
32Madison County3/sq mi
33Sheridan County2/sq mi
34Sweet Grass County2/sq mi
35Granite County2/sq mi
36Fallon County2/sq mi
37Beaverhead County2/sq mi
38Blaine County2/sq mi
39Rosebud County2/sq mi
40Valley County2/sq mi
41Chouteau County1/sq mi
42Wheatland County1/sq mi
43Liberty County1/sq mi
44Wibaux County1/sq mi
45Judith Basin County1/sq mi
46Daniels County1/sq mi
47Meagher County1/sq mi
48Phillips County1/sq mi
49Treasure County1/sq mi
50Prairie County1/sq mi
51Golden Valley County1/sq mi
52McCone County1/sq mi
53Powder River County1/sq mi
54Carter County0/sq mi
55Petroleum County0/sq mi
56Garfield County0/sq mi

Cities & places

Top 100.
#NamePeople / sq mi
1King Arthur Park5,064/sq mi
2Browning3,546/sq mi
3Wolf Point2,950/sq mi
4Chinook2,793/sq mi
5Laurel2,764/sq mi
6Cut Bank2,628/sq mi
7Great Falls2,612/sq mi
8Bozeman2,571/sq mi
9Billings2,569/sq mi
10Havre2,516/sq mi
11Miles City2,502/sq mi
12Columbia Falls2,423/sq mi
13Fairfield2,371/sq mi
14Poplar2,355/sq mi
15Corvallis2,352/sq mi
16Belgrade2,348/sq mi
17Glasgow2,276/sq mi
18Joliet2,237/sq mi
19Missoula2,158/sq mi
20Victor2,121/sq mi
21Dillon2,118/sq mi
22Harlem2,101/sq mi
23Kalispell2,079/sq mi
24Conrad2,007/sq mi
25St. Ignatius1,976/sq mi
26Deer Lodge1,956/sq mi
27Hamilton1,945/sq mi
28Lodge Grass1,934/sq mi
29Helena1,929/sq mi
30Sidney1,897/sq mi
31Malta1,772/sq mi
32Big Sandy1,771/sq mi
33Plains1,752/sq mi
34East Missoula1,719/sq mi
35Harlowton1,684/sq mi
36Stevensville1,673/sq mi
37Whitehall1,633/sq mi
38West Yellowstone1,605/sq mi
39Libby1,600/sq mi
40Ronan1,596/sq mi
41Big Timber1,565/sq mi
42Belt1,554/sq mi
43Rexford1,550/sq mi
44Roundup1,519/sq mi
45Eureka1,515/sq mi
46Baker1,489/sq mi
47Forsyth1,461/sq mi
48Townsend1,457/sq mi
49Hot Springs1,454/sq mi
50Chester1,445/sq mi
51Livingston1,440/sq mi
52Three Forks1,414/sq mi
53Columbus1,403/sq mi
54Glendive1,391/sq mi
55Hysham1,371/sq mi
56Florence1,293/sq mi
57Hardin1,267/sq mi
58Plentywood1,236/sq mi
59Manhattan1,225/sq mi
60Broadus1,210/sq mi
61Philipsburg1,190/sq mi
62Polson1,188/sq mi
63Choteau1,181/sq mi
64Boulder1,179/sq mi
65Whitefish1,149/sq mi
66Fairview1,147/sq mi
67Scobey1,120/sq mi
68White Sulphur Springs1,108/sq mi
69Troy1,070/sq mi
70Lewistown1,053/sq mi
71Superior1,042/sq mi
72Evergreen1,042/sq mi
73Alberton1,036/sq mi
74Fromberg1,019/sq mi
75Bridger1,009/sq mi
76North Browning1,002/sq mi
77Cascade997/sq mi
78Thompson Falls977/sq mi
79Clyde Park975/sq mi
80Bonner-West Riverside942/sq mi
81Orchard Homes940/sq mi
82Dodson939/sq mi
83Flaxville932/sq mi
84Red Lodge884/sq mi
85Darby863/sq mi
86Jordan857/sq mi
87Richey835/sq mi
88Ennis833/sq mi
89Glacier Colony822/sq mi
90Malmstrom AFB821/sq mi
91Dutton816/sq mi
92New Miami Colony815/sq mi
93Bearcreek813/sq mi
94Piltzville809/sq mi
95Hillside Colony799/sq mi
96South Browning791/sq mi
97Sheridan779/sq mi
98Nibbe758/sq mi
99Valier723/sq mi
100Moore697/sq mi

Nationwide

1

Other rankings in Montana

20

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