Fremont 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
St. Anthony14,1303,7082.61%2,1451.9City
Ashton29519500%1,4910.6City
Teton38567911.91%1,2420.7City
Newdale43323310%1,8040.2City
Parker5297300-0.34%8560.3City
Island Park6192194-0.52%326.1City
Drummond715140%1560.1City

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 Fremont County, Idaho?

St. Anthony is the largest city in Fremont County.

What is the smallest city in Fremont County, Idaho?

Drummond is the smallest city in Fremont County.

How many cities are in Fremont County?

There are 7 cities in Fremont County, Idaho.

Frequently Asked Questions