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Most Densely Populated Cities in Idaho: Ranked by People per Square Mile

The densest city in Idaho in our data is Moscow, ID, with about 3,719 people per square mile, followed by Meridian, ID (3,359) and Coeur d'Alene, ID (3,263). This list ranks the top 34 places among the 34 Idaho communities with at least 5,000 residents.

What are the top 34 in Idaho?

#CityCountyPer sq miPopulation
1Moscow, IDLatah County3,71926,145
2Meridian, IDAda County3,359114,161
3Coeur d'Alene, IDKootenai County3,263116,834
4Nampa, IDCanyon County3,023184,428
5Rexburg, IDMadison County2,93730,979
6Garden City, IDAda County2,93211,969
7Rupert, IDMinidoka County2,8626,733
8Boise, IDAda County2,735389,280
9Chubbuck, IDBannock County2,64215,588
10Idaho Falls, IDBonneville County2,618100,442
11Twin Falls, IDTwin Falls County2,61155,556
12Caldwell, IDCanyon County2,58558,481
13Fruitland, IDPayette County2,5175,426
14Emmett, IDGem County2,5109,889
15Mountain Home, IDElmore County2,40116,945
16Post Falls, IDKootenai County2,39636,250
17Ammon, IDBonneville County2,25317,115
18Hailey, IDBlaine County2,20911,409
19Jerome, IDJerome County2,15011,996
20Sandpoint, IDBonner County2,09313,145
21Blackfoot, IDBingham County2,03115,526
22Payette, IDPayette County1,9407,727
23Lewiston, IDNez Perce County1,89353,384
24Rigby, IDJefferson County1,8219,496
25Weiser, IDWashington County1,8035,524
26Rathdrum, IDKootenai County1,7469,150
27Pocatello, IDBannock County1,70272,878
28Burley, IDCassia County1,69416,342
29Middleton, IDCanyon County1,5288,466
30Star, IDAda County1,50010,532
31Hayden, IDKootenai County1,48115,434
32Kuna, IDAda County1,12422,292
33Eagle, IDAda County97429,796
34Preston, IDFranklin County8165,557

How dense are the cities in Idaho?

The densest place is about 2 times as dense as the median place in the state, which has about 2,231 people per square mile. At the other end, Preston, ID has about 816. Under our scale, 0 places are an urban core (over 5,000 per square mile), 32 are suburban, and the rest are small towns or rural. Ada County contributes 6 of the top 34.

Which counties do the top 34 belong to?

The 34 places on this list are spread across 21 counties of Idaho. Ada County has 6 (Meridian, Garden City, Boise, Star, Kuna, Eagle); Kootenai County has 4 (Coeur d'Alene, Post Falls, Rathdrum, Hayden); Canyon County has 3 (Nampa, Caldwell, Middleton). Counties with several entries are usually centers of a metropolitan area, where one large city is surrounded by many suburbs that each pass the 5,000-resident threshold.

How does Idaho compare with the rest of the country?

The median Idaho place with a page has about 15,965 residents, compared with about 13,459 nationwide, so the state's typical community is larger than the national typical place. Moscow, ID ranks 1838th among all US places by estimated population in our data. The state has 226 communities in total, of which 34 reach 5,000 residents. See the national ranking of the largest cities for comparison.

Quick answers about Idaho cities

How is this ranking made?

The data comes from the SimpleMaps US Cities Database, which gives each place an estimated population and a density in people per square kilometer. We convert density to people per square mile and rank the places with at least 5,000 residents. Boundaries matter: a city that includes large parks or farmland scores lower on density than a compact city of the same size, and population estimates can include areas that share a city's ZIP codes. Read why population figures differ and how density is calculated before you quote a number.

Where to go next

Largest cities in IdahoAll of IdahoAll ranked listsCompare cities

Rankings use dataset estimates, not official counts.

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