Utah

San Juan

14,518
2020 population
1880
first census record
15
census records

About San Juan

San Juan, Utah, first appears in the United States federal census in 1880, when it recorded a population of 204. At the most recent census, in 2020, its population stood at 14,518.

Its recorded population peaked at 14,746 in 2010, and has since declined by roughly 2 percent.

On the ground today, 5 documented military engagements have been recorded within the county, among them Alkali Ridge Site 13 Raid, Alkali Ridge Violence (Utah), Grand Gulch Cliff Site Defense, and 39 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202014,518
201014,746
200014,413
199012,621
198012,253
19709,606
19609,040
19505,315
19404,712
19303,496
19203,379
19102,377
19001,023
1890365
1880204
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in San Juan

Military engagements that took place in San Juan, Utah.

Alkali Ridge Site 13 Raid
800
Alkali Ridge Violence (Utah)
850
Grand Gulch Cliff Site Defense
1200
Hovenweep Castle Defensive Conflict
1200
Last Indian Raid — Bluff War Utah 1915
1915

Historic places in San Juan

National Register of Historic Places listings in San Juan, Utah.

Murphy Trail and Bridge
Moab
Kirk's Cabin Complex
Moab
Edge of Cedars Indian Ruin
Blanding
Decker, James Bean, House
Bluff
Bluff Historic District
Bluff
Adams, Joseph Frederick, House
Bluff
Scorup, John Albert, House
Bluff
Indian Creek State Park
Monticello
Alkali Ridge
Monticello
Cave Springs Cowboy Camp
Moab
St. Christopher's Episcopal Mission
Bluff
Swallow's Nest
Blanding
Nielson, Jens, House
Bluff
Redd, Lemuel H., Jr., House
Bluff
Hyland Hotel
Monticello
Julien Inscription
Moab
Oljato Trading Post
Blanding
Browse all Utahhistoric sites ›

Other counties in Utah

Explore census history and historic records for more Utah counties.

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Everything a full report reveals about San Juan County, Utah

This page charts the census history of San Juan County, Utah. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about San Juan

When does San Juan first appear in the US census?
San Juan, Utah first appears in the federal census in 1880, with a recorded population of 204.
What is the population of San Juan?
At the most recent federal census (2020), San Juan had a recorded population of 14,518.
When did San Juan's population peak?
San Juan's recorded population peaked at 14,746 in 2010.
Were any battles fought in San Juan?
5 documented military engagements took place in San Juan, including Alkali Ridge Site 13 Raid, Alkali Ridge Violence (Utah), Grand Gulch Cliff Site Defense.
How many historic places are in San Juan?
39 sites are listed on the National Register of Historic Places in San Juan, Utah.
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