There are a total of 29 counties in the state of Utah. Among them, Salt Lake County is the oldest one (established in 1849) while Daggett County is the youngest (established in 1919). With population of 1,029,665, Salt Lake County is the most populated. The biggest county by land area is San Juan County (20,254 km2) and the smallest is Davis County (774 km2). Below please see all Utah counties which are listed in alphabetical order.
- Beaver County, UT
- Box Elder County, UT
- Cache County, UT
- Carbon County, UT
- Daggett County, UT
- Davis County, UT
- Duchesne County, UT
- Emery County, UT
- Garfield County, UT
- Grand County, UT
- Iron County, UT
- Juab County, UT
- Kane County, UT
- Millard County, UT
- Morgan County, UT
- Piute County, UT
- Rich County, UT
- Salt Lake County, UT
- San Juan County, UT
- Sanpete County, UT
- Sevier County, UT
- Summit County, UT
- Tooele County, UT
- Uintah County, UT
- Utah County, UT
- Wasatch County, UT
- Washington County, UT
- Wayne County, UT
- Weber County, UT
Map of Utah Counties
