Utah
Postal abbreviation UT. 347 ZIP codes across 29 counties.
| Population | 3,392,331 |
|---|---|
| Postal abbreviation | UT |
| ZIP codes | 347 ZIP codes → |
| Area codes | 385435801 |
| Time zone | Mountain |
| Counties | 29 |
Largest cities by population
Salt Lake City · 208,007West Valley City · 138,437West Jordan · 116,692Provo · 114,766Orem · 97,182Sandy · 94,291Ogden · 87,413Lehi · 85,173Layton · 83,286South Jordan · 82,686Herriman · 59,346Logan · 54,907Eagle Mountain · 53,290Draper · 50,278Saratoga Springs · 48,425Riverton · 45,457Bountiful · 45,023Spanish Fork · 44,946Roy · 38,993Cedar City · 38,524Tooele · 38,405Pleasant Grove · 37,852American Fork · 37,109Midvale · 35,989Springville · 35,849Syracuse · 35,488Clearfield · 33,523Kaysville · 33,053Washington · 32,348Farmington · 25,389
Largest counties by population
Salt Lake County · 1,196,523Utah County · 705,400Davis County · 370,924Weber County · 269,648Washington County · 196,431Cache County · 140,046Tooele County · 79,347Iron County · 62,252Box Elder County · 61,246Summit County · 42,970
Counties in Utah
Beaver CountyBox Elder CountyCache CountyCarbon CountyDaggett CountyDavis CountyDuchesne CountyEmery CountyGarfield CountyGrand CountyIron CountyJuab CountyKane CountyMillard CountyMorgan CountyPiute CountyRich CountySalt Lake CountySan Juan CountySanpete CountySevier CountySummit CountyTooele CountyUintah CountyUtah CountyWasatch CountyWashington CountyWayne CountyWeber County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.