Utah law (Utah Code §17-50-501) places counties into six classes, based on population. This classification system helps ensure that counties of different sizes can operate under policies that fit their scale and resources.
County Classification Thresholds (Effective 2025)
Classification
Population Range
Example Counties
First Class
≥ 1,150,000
Salt Lake County
Second Class
260,000 - 1,149,999
Utah, Davis, Weber
Third Class
40,000 - 259,999
Cache, Box Elder, Tooele, Summit, Iron, Uintah, Washington
Fourth Class
12,000 - 39,999
Wasatch, Sanpete, Carbon, Millard, Sevier, Duchesne, San Juan, Beaver
Fifth Class
5,000 - 11,999
Juab, Emery, Kane, Grand, Morgan, Piute
Sixth Class
< 5,000
Rich, Wayne, Garfield
Why Classifications Matter
While population defines a county’s class, the classification system affects much more than demographics. County class influences statutory requirements, officer compensation, budget thresholds, and reporting obligations. For example, state law often applies different standards or fiscal limits depending on a county’s classification. This ensures that smaller counties are not held to the same requirements are the largest counties and that larger counties are equipped with the resources and oversight necessary for their scale of operations.
By structuring governance this way, Utah law provides flexibility while maintaining consistency across the state.
For more information or any questions, please contact Katie Miner: