US Census Data

Most densely populated in Idaho

Idaho counties and cities ranked by population density.

This page ranks the counties and cities of Idaho 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, Ada County leads at 483/sq mi.

Among cities & places, Huetter leads at 4,828/sq mi.

Counties

#NamePeople / sq mi
1Ada County483/sq mi
2Canyon County413/sq mi
3Kootenai County144/sq mi
4Madison County114/sq mi
5Bannock County80/sq mi
6Bonneville County68/sq mi
7Payette County64/sq mi
8Nez Perce County50/sq mi
9Twin Falls County48/sq mi
10Jerome County41/sq mi
11Latah County37/sq mi
12Gem County35/sq mi
13Jefferson County29/sq mi
14Minidoka County29/sq mi
15Bonner County29/sq mi
16Teton County27/sq mi
17Bingham County23/sq mi
18Franklin County22/sq mi
19Gooding County22/sq mi
20Benewah County13/sq mi
21Boundary County10/sq mi
22Cassia County10/sq mi
23Elmore County9/sq mi
24Blaine County9/sq mi
25Lewis County8/sq mi
26Washington County7/sq mi
27Fremont County7/sq mi
28Bear Lake County7/sq mi
29Power County6/sq mi
30Shoshone County5/sq mi
31Lincoln County4/sq mi
32Boise County4/sq mi
33Caribou County4/sq mi
34Oneida County4/sq mi
35Clearwater County4/sq mi
36Adams County3/sq mi
37Valley County3/sq mi
38Idaho County2/sq mi
39Lemhi County2/sq mi
40Owyhee County2/sq mi
41Butte County1/sq mi
42Camas County1/sq mi
43Custer County1/sq mi
44Clark County0/sq mi

Cities & places

Top 100.
#NamePeople / sq mi
1Huetter4,828/sq mi
2Hansen4,052/sq mi
3Rexburg3,818/sq mi
4Moscow3,744/sq mi
5Mud Lake3,624/sq mi
6Avimor3,600/sq mi
7Meridian3,363/sq mi
8Coeur d'Alene3,294/sq mi
9Garden City3,059/sq mi
10Rupert2,991/sq mi
11Nampa2,959/sq mi
12American Falls2,873/sq mi
13Newdale2,801/sq mi
14Boise City2,768/sq mi
15Emmett2,729/sq mi
16New Plymouth2,709/sq mi
17Twin Falls2,679/sq mi
18Lincoln2,616/sq mi
19St. Maries2,553/sq mi
20Caldwell2,525/sq mi
21Buhl2,461/sq mi
22Gooding2,457/sq mi
23Idaho Falls2,456/sq mi
24Hazelton2,453/sq mi
25Kimberly2,401/sq mi
26Hailey2,375/sq mi
27Fruitland2,363/sq mi
28Aberdeen2,348/sq mi
29Mountain Home2,289/sq mi
30Grangeville2,286/sq mi
31Ammon2,263/sq mi
32Chubbuck2,258/sq mi
33Jerome2,242/sq mi
34Wilder2,238/sq mi
35Iona2,233/sq mi
36Smelterville2,193/sq mi
37Post Falls2,182/sq mi
38Shelley2,182/sq mi
39Paul2,176/sq mi
40Rigby2,171/sq mi
41Sandpoint2,161/sq mi
42Genesee2,137/sq mi
43Homedale2,129/sq mi
44Wendell2,090/sq mi
45Ashton2,084/sq mi
46Blackfoot2,054/sq mi
47Onaway2,044/sq mi
48Payette2,043/sq mi
49Hagerman2,037/sq mi
50Pinehurst2,022/sq mi
51St. Anthony1,983/sq mi
52Lewiston1,964/sq mi
53Weiser1,946/sq mi
54Kootenai1,943/sq mi
55Filer1,932/sq mi
56Notus1,869/sq mi
57Declo1,857/sq mi
58Parker1,852/sq mi
59Ririe1,841/sq mi
60Stites1,833/sq mi
61Marsing1,829/sq mi
62Potlatch1,826/sq mi
63Fernan Lake Village1,809/sq mi
64Culdesac1,769/sq mi
65Bellevue1,747/sq mi
66Basalt1,746/sq mi
67Castleford1,734/sq mi
68Burley1,734/sq mi
69Roberts1,703/sq mi
70Winchester1,702/sq mi
71Parma1,699/sq mi
72Shoshone1,692/sq mi
73Ucon1,686/sq mi
74Pocatello1,682/sq mi
75Middleton1,532/sq mi
76Hayden1,520/sq mi
77Greenleaf1,496/sq mi
78Hayden Lake1,474/sq mi
79Rathdrum1,457/sq mi
80Malad City1,445/sq mi
81Heyburn1,408/sq mi
82Lapwai1,377/sq mi
83Melba1,365/sq mi
84Cottonwood1,356/sq mi
85Grace1,349/sq mi
86Silverton1,334/sq mi
87Hidden Springs1,325/sq mi
88Orofino1,318/sq mi
89Osburn1,312/sq mi
90Worley1,283/sq mi
91Salmon1,274/sq mi
92Minidoka1,257/sq mi
93Letha1,253/sq mi
94Wallace1,241/sq mi
95Eden1,173/sq mi
96Montpelier1,156/sq mi
97Star1,149/sq mi
98Troy1,148/sq mi
99Victor1,143/sq mi
100Bonners Ferry1,142/sq mi

Nationwide

1

Other rankings in Idaho

20

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