San Juan County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 64th-largest in Colorado
The population of San Juan County, Colorado is 690 as of the 2023 American Community Survey, making it the 64th-largest county in Colorado. The median household income is $73,889, the median home value is $406,900, and the median age is 42.2.
The population of San Juan County has grown 16.0% since 2010 (708 → 821), a +1.06% annualized rate.
690
Population
+1.06%
Annual growth
2
People / sq mi
$73,889
Median Income
$406,900
Median Home Value
San Juan County covers 388 sq mi of land at 1.8 people per square mile.
About San Juan County, CO
What sets San Juan County apart is where people work — remote work is unusually prominent here, at 28.0% versus 14.0% nationally. San Juan County is a county in Colorado with a population of 690.
The typical household earns $73,889 a year, below the US median of $78,538. The poverty rate is 14.4%, above the national 12.4%. Real estate commands a premium here — a median home value of $406,900, with typical rent around $1,076.
Degree attainment is near the top of the range for US counties: 47.2% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Working from home is common here: 28.0% of workers do so, above the national 14.0%, and the average commute runs about 15 minutes each way.
The remote-work concentration is telling in San Juan County — it skews toward higher-income, college-educated workers and reshapes both commute patterns and housing demand.
San Juan County Population History (2010-2024)
The county of San Juan County had a population of 708 in 2010 and 821 in 2024, a 16.0% growth over 14 years. The peak was 821 in 2024. Average annual growth rate: 1.13%.
821
Population (2024)
708
Population (2010)
821
Peak (2024)
1.13%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 708 |
| 2011 | 690 |
| 2012 | 692 |
| 2013 | 692 |
| 2014 | 712 |
| 2015 | 690 |
| 2016 | 691 |
| 2017 | 713 |
| 2018 | 760 |
| 2019 | 723 |
| 2020 | 708 |
| 2021 | 738 |
| 2022 | 796 |
| 2023 | 797 |
| 2024 | 821 |
Race & Ethnicity
| White | 87.5% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
42.2
Median Age
45.2%
Female
54.8%
Male
20.7%
Age 65+
Age Distribution
Children (under 15): 8.7% · Seniors (65+): 20.7%
Income & Poverty
| Median household income | $73,889$-18,581 vs state |
| Mean household income | $86,808 |
| Per-capita income | $46,192 |
| Poverty rate | 14.4%+8.5% vs state |
| Unemployment rate | 4.9% |
| Employment-to-population | 67.4% |
Top Industries by Employment
The largest employment sector in San Juan County is professional & business services, accounting for 22.8% of workers.
How residents commute
0.0%
Drive alone
4.4%
Carpool
53.9%
Public transit
28.0%
Work from home
15.2 min
Avg commute
Housing
$406,900$-95,300 vs state
Median home value
$1,076
Median rent
55.5%
Homeownership rate
720
Total housing units
50.3%
Occupied
49.7%
Vacant
44.5%
Renter-occupied
Social & access
87.5%
With health insurance
97.2%
With broadband internet
64.3%
Foreign-born
5.1%
Veterans (18+)
2.9%
With a disability
82.9%
Speak language other than English at home
Education
100.0%
High School+
47.2%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
San Juan County, Colorado has a population of 690 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 64th-largest county in Colorado. Population density is 2 people per square mile.
The population of San Juan County has grown 16.0% since 2010 (708 → 821), a +1.06% annualized rate.
The median household income in San Juan County, Colorado is $73,889, with mean (average) household income of $86,808 and per-capita income of $46,192. 14.4% of residents live below the federal poverty level.
In San Juan County, the largest racial and ethnic groups are White (87.5%), Hispanic or Latino (1.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in San Juan County, Colorado is 42.2 years. Residents are 45.2% female and 54.8% male.
The median home value in San Juan County is $406,900 and median monthly rent is $1,076. 55.5% of occupied housing units are owner-occupied. The county has 720 total housing units, 49.7% of which are vacant.
The largest employment sector in San Juan County, Colorado is professional, scientific, and management services, employing 22.8% of workers. The unemployment rate is 4.9%.
Denver is among the largest cities associated with San Juan County, Colorado, with a population of 713,734.
San Juan County, CO Climate
San Juan County, CO has an average annual temperature of 0.1°C (32°F) and receives about 771 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
0.1°C
Avg Temp
771
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -10° / 14° | 59 mm |
| February | -9° / 16° | 58 mm |
| March | -7° / 20° | 74 mm |
| April | -3° / 26° | 58 mm |
| May | 2° / 35° | 46 mm |
| June | 7° / 45° | 37 mm |
| July | 11° / 52° | 80 mm |
| August | 11° / 51° | 87 mm |
| September | 8° / 46° | 72 mm |
| October | 3° / 37° | 67 mm |
| November | -4° / 26° | 66 mm |
| December | -8° / 17° | 67 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit San Juan County, CO
The most comfortable months to visit San Juan County, CO are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 20°C high). The coldest is January (near -19°C low). August is usually the wettest month.
Where to stay near San Juan County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.