San Juan County, New Mexico Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in New Mexico
The population of San Juan County, New Mexico is 121,178 as of the 2023 American Community Survey, making it the 5th-largest county in New Mexico. The median household income is $53,020, the median home value is $185,100, and the median age is 38.0.
The population of San Juan County has declined 7.2% since 2010 (130,209 → 120,817), a -0.53% annualized rate.
121,178
Population
-0.53%
Annual growth
22
People / sq mi
$53,020
Median Income
$185,100
Median Home Value
San Juan County covers 5,517 sq mi of land at 22.0 people per square mile.
About San Juan County, NM
San Juan County is a county in New Mexico with a population of 121,178. It ranks #5 among counties in New Mexico by population. The median age is 38.0, in line with the national median. The population is 49.4% male and 50.6% female.
The median household income in San Juan County is $53,020, below the US median of $74,580. 17.6% of residents live below the federal poverty level. Home values sit at a median of $185,100, with monthly rent averaging $917. The homeownership rate of 70.2% is higher than the national rate of 64.8%.
Educational attainment in San Juan County reflects 16.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.8 minutes each way.
San Juan County Population History (2010-2024)
The county of San Juan County had a population of 130,209 in 2010 and 120,817 in 2024, a -7.2% growth over 14 years. The peak was 130,209 in 2010. Average annual growth rate: -0.53%.
120,817
Population (2024)
130,209
Population (2010)
130,209
Peak (2010)
-0.53%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 130,209 |
| 2011 | 129,732 |
| 2012 | 129,792 |
| 2013 | 129,509 |
| 2014 | 129,143 |
| 2015 | 128,324 |
| 2016 | 128,011 |
| 2017 | 127,039 |
| 2018 | 125,652 |
| 2019 | 124,027 |
| 2020 | 121,387 |
| 2021 | 121,019 |
| 2022 | 120,580 |
| 2023 | 120,907 |
| 2024 | 120,817 |
Race & Ethnicity
| White | 42.6% |
| Black or African American | 0.7% |
| Asian | 37.5% |
| Hispanic or Latino (any race) | 43.0% |
| Two or More Races | 0.0% |
Age & Sex
38.0
Median Age
50.6%
Female
49.4%
Male
16.2%
Age 65+
Age Distribution
Children (under 15): 20.6% · Seniors (65+): 16.2%
Income & Poverty
| Median household income | $53,020$-9,105 vs state |
| Mean household income | $74,068 |
| Per-capita income | $26,583 |
| Poverty rate | 17.6%+3.9% vs state |
| Unemployment rate | 4.1% |
| Employment-to-population | 48.9% |
Top Industries by Employment
The largest employment sector in San Juan County is professional & business services, accounting for 27.2% of workers.
How residents commute
0.2%
Drive alone
2.5%
Carpool
85.2%
Public transit
5.6%
Work from home
23.8 min
Avg commute
Housing
$185,100$-47,100 vs state
Median home value
$917
Median rent
70.2%
Homeownership rate
48,085
Total housing units
85.4%
Occupied
14.6%
Vacant
29.8%
Renter-occupied
Social & access
87.5%
With health insurance
90.1%
With broadband internet
34.8%
Foreign-born
6.4%
Veterans (18+)
15.7%
With a disability
69.7%
Speak language other than English at home
Education
86.4%
High School+
16.6%
Bachelor's+
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Part of New Mexico
Metro areas in New Mexico
County rankings
Frequently Asked Questions
San Juan County, New Mexico has a population of 121,178 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in New Mexico. Population density is 22 people per square mile.
The population of San Juan County has declined 7.2% since 2010 (130,209 → 120,817), a -0.53% annualized rate.
The median household income in San Juan County, New Mexico is $53,020, with mean (average) household income of $74,068 and per-capita income of $26,583. 17.6% of residents live below the federal poverty level.
In San Juan County, the largest racial and ethnic groups are Hispanic or Latino (43.0%), White (42.6%), Asian (37.5%). 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, New Mexico is 38.0 years. Residents are 50.6% female and 49.4% male.
The median home value in San Juan County is $185,100 and median monthly rent is $917. 70.2% of occupied housing units are owner-occupied. The county has 48,085 total housing units, 14.6% of which are vacant.
The largest employment sector in San Juan County, New Mexico is professional, scientific, and management services, employing 27.2% of workers. The unemployment rate is 4.1%.
Albuquerque is among the largest cities associated with San Juan County, New Mexico, with a population of 562,488.
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Statewide data for New Mexico
Population, race, income, age, and trends across New Mexico
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.