San Juan County, Utah

San Juan County population, land area and income

San Juan County had 14,601 residents in the Census Vintage 2024 estimate, on 7,823.8 square miles of land. It is the largest by land of Utah's 29 county-equivalents. That works out to 1.9 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Utah has 20,803 residents; San Juan County is somewhat smaller.

Its SAIPE 2023 median household income of $57,941 is below the national county median among 3,143 counties with an estimate.

How San Juan County's population changed since 2020

San Juan County gained 83 residents between the July 2020 and July 2024 estimates, a rise of 0.6%. That ranks 28th of 29 in Utah for growth. The median Utah county changed by +5.7%, and the state as a whole by +6.7%.

Since the April 2020 estimates base, San Juan County recorded 772 births and 677 deaths, a natural change of +95. Net international migration added +141 and net domestic migration, people moving to or from other US counties, came to -156. The largest single component was domestic migration, which removed 156 people.

Where San Juan County is

The Census internal point of San Juan County is at 37.602600, -109.791600. It sits in UTM zone 12N. The map shades Utah's 29 county-equivalents by population change from 2020 to 2024, darker for faster growth, with San Juan County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in San Juan County

2 incorporated places of 1,000+ people have residents in San Juan County, 4,973 people together, or 34% of the county. Each figure counts only the part of the town inside San Juan County; towns marked "part" extend into another county. The largest is Blanding with 3,216.

Counties bordering San Juan County

The Census 2024 county adjacency file lists 14 neighbors for San Juan County, including 9 across a state line. The most populous is Mesa County, CO, with 161,260 residents. Distances run between Census internal points in a straight line.

• CO

  Mesa County, CO

  161,260 people

  122 mi NE

• AZ

  Coconino County, AZ

  145,161 people

  164 mi SW

• NM

  San Juan County, NM

  120,817 people

  111 mi SE

• AZ

  Navajo County, AZ

  109,516 people

  156 mi S

• AZ

  Apache County, AZ

  64,800 people

  154 mi S

• CO

  Montrose County, CO

  44,806 people

  100 mi NE

• CO

  Montezuma County, CO

  26,841 people

  68 mi ESE

• Emery County

  10,161 people

  109 mi NNW

• Grand County

  9,788 people

  96 mi N

• Kane County

  8,525 people

  113 mi W

• CO

  San Miguel County, CO

  7,819 people

  80 mi ENE

• Garfield County

  5,290 people

  92 mi W

• Wayne County

  2,608 people

  80 mi NW

• CO

  Dolores County, CO

  2,467 people

  71 mi E

Distance to Salt Lake City and the nearest big city

Salt Lake City is 246.4 miles NNW of San Juan County's internal point in a straight line. The nearest place of 100,000 or more is Provo, UT (population 115,479), 208.0 miles away. The nearest place of 10,000 or more is Farmington, NM (population 46,262), 106.3 miles away.

San Juan County FIPS code

The FIPS code of San Juan County is 49037: state code 49 for Utah plus county code 037. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $57,941.