Utah County Map With Cities
By Marko Visic · Updated Oct 5, 2026
Utah has 29 counties, covering 82,596 square miles of land. The Census Bureau estimates its population at 3,538,904 as of July 1, 2025. The largest county by land area is San Juan County; the most populous is Salt Lake County; the least populous is Daggett County.
Tap or click any county for details. Need a printable version? Blank Utah map (PDF/PNG/SVG).
All 29 Utah counties
| County | FIPS code | Population (July 1, 2025) ▼ | Change since April 2020 | Land area (sq mi) | People per sq mi | Median household income (2020–2024) |
|---|---|---|---|---|---|---|
| Salt Lake County | 49035 | 1,220,916 | +3.0% | 753 | 1,622 | $97,494 |
| Utah County | 49049 | 759,859 | +15.2% | 2,004 | 379 | $100,671 |
| Davis County | 49011 | 381,227 | +5.1% | 325 | 1,173 | $110,884 |
| Weber County | 49057 | 278,174 | +6.1% | 611 | 455 | $90,005 |
| Washington County | 49053 | 213,670 | +18.5% | 2,428 | 88 | $80,632 |
| Cache County | 49005 | 145,000 | +8.9% | 1,165 | 124 | $81,665 |
| Tooele County | 49045 | 87,461 | +20.3% | 7,040 | 12 | $106,587 |
| Iron County | 49021 | 67,141 | +17.2% | 3,296 | 20 | $66,247 |
| Box Elder County | 49003 | 65,320 | +13.3% | 5,781 | 11 | $84,550 |
| Summit County | 49043 | 43,141 | +1.9% | 1,871 | 23 | $138,114 |
| Wasatch County | 49051 | 38,514 | +10.7% | 1,177 | 33 | $117,608 |
| Uintah County | 49047 | 38,278 | +7.5% | 4,483 | 9 | $73,746 |
| Sanpete County | 49039 | 31,453 | +10.6% | 1,590 | 20 | $70,083 |
| Sevier County | 49041 | 22,827 | +6.1% | 1,910 | 12 | $74,884 |
| Duchesne County | 49013 | 20,856 | +6.4% | 3,236 | 6 | $78,445 |
| Carbon County | 49007 | 20,680 | +1.3% | 1,479 | 14 | $58,377 |
| San Juan County | 49037 | 14,542 | +0.2% | 7,824 | 2 | $64,481 |
| Millard County | 49027 | 14,057 | +8.3% | 6,785 | 2 | $73,639 |
| Juab County | 49023 | 13,567 | +15.2% | 3,392 | 4 | $101,786 |
| Morgan County | 49029 | 13,383 | +8.8% | 609 | 22 | $130,929 |
| Emery County | 49015 | 10,177 | +3.6% | 4,463 | 2 | $74,291 |
| Grand County | 49019 | 9,790 | +1.2% | 3,673 | 3 | $67,106 |
| Kane County | 49025 | 8,597 | +12.1% | 3,994 | 2 | $77,092 |
| Beaver County | 49001 | 7,301 | +3.2% | 2,583 | 3 | $79,360 |
| Garfield County | 49017 | 5,256 | +3.3% | 5,180 | 1 | $61,875 |
| Rich County | 49033 | 2,687 | +7.0% | 1,029 | 3 | $79,009 |
| Wayne County | 49055 | 2,587 | +4.0% | 2,461 | 1 | $76,607 |
| Piute County | 49031 | 1,509 | +4.5% | 758 | 2 | $48,393 |
| Daggett County | 49009 | 934 | -0.2% | 697 | 1 | $66,000 |
FIPS code: the Census Bureau’s five-digit county ID, a two-digit state code plus a three-digit county code. It is not a ZIP code.
How many counties does Utah have?
Utah has 29 counties covering 82,596 square miles. The state was admitted to the Union in 1896 as the 45th state.
The largest county by land area is San Juan County at 7,824 square miles, home to 14,542 residents. The most populous is Salt Lake County with 1,220,916 residents — a density of 1,622 people per square mile. At the other end of the scale, Daggett County has 934 residents.
Salt Lake City is both the state capital and the largest city in Utah.
Related resources
Download a printable outline of Utah’s county boundaries from our blank map of Utah page — available in SVG, PNG, and PDF.
Use the What County Am I In? tool to detect which Utah county a GPS location or address falls in, or the Address to County Lookup for batch input.
For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Utah address and see every ZIP code and the total population inside.
Two SimpleMapLab studies cover Utah specifically: the 100-mile radius around Salt Lake City measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Utah ranks the state’s most isolated inhabited place. The county-counts blog post puts Utah’s 29 counties in national context.
Frequently asked questions
- County Population Totals, Vintage 2025: estimates for July 1, 2025, released March 2026
- Gazetteer Files, 2026: county land and water area
- American Community Survey 5-Year Estimates, 2020–2024: median household income (table B19013)
- County boundaries on the map: US Atlas TopoJSON build of the US Census Bureau’s TIGER/Line shapefiles. All figures are US Census Bureau data in the public domain.