Boise County, Idaho Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Horseshoe Bend18727264.31%8021.1City
Idaho City25494683.78%8260.7City
Garden Valley34124750.49%567.3CDP
Crouch41831593.39%3700.5City
Placerville548460%481.0City
Lowman626148.33%132.0CDP
Banks76620%32.2CDP

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Boise County, Idaho?

Horseshoe Bend is the largest city in Boise County.

What is the smallest city in Boise County, Idaho?

Banks is the smallest city in Boise County.

How many cities are in Boise County?

There are 7 cities in Boise County, Idaho.

Frequently Asked Questions