San Juan County, New Mexico
Located in New Mexico, San Juan County has a population of 120,942 residents and a median age of 38.3 years, making it the #533 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 23.1%. The median home value is $193,800, and the median household income is $55,872, which is 26% below the national median.
Demographics
San Juan County has a population of 120,942, making it the #533 most populous county in the US. The median age is 38.3 years, which is 1.5% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in San Juan County is $55,872, ranking #2,413 out of 3,222 counties — 25.7% below the national median. The poverty rate is 23.1% and unemployment stands at 7.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in San Juan County is $193,800 (-31.3% vs national). Renters pay a median of $956/mo and the homeownership rate is 71.2%.
Median Home Value Trend
Rankings →Household Type
Education
In San Juan County, 18.3% of adults age 25+ hold a bachelor's degree or higher, which is 45.8% below the national average, ranking #2,314 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in San Juan County is 69.8 years. 24.9% of adults report poor or fair health and 12.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
24.9% of adults in San Juan County smoke , 38.1% are obese , and 15.6% report excessive drinking. The drug overdose death rate is 34.3 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in San Juan County is 11.8 per 100,000 and the suicide rate is 34.4 per 100,000. Motor vehicle deaths occur at a rate of 32.1 per 100,000.
Homicide Rate Trend
Families & Children
26.3% of children in San Juan County live in poverty and the infant mortality rate is 5.2 per 1,000 live births. The teen birth rate is 24.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in San Juan County is 57.9%. The mean commute time is 26.8 min, which is 2.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, San Juan County voted Republican with a margin of 31.7%. The vote was 33% Dem / 64.7% Rep. Compared to 2020, the margin shifted 3.4 toward Republicans .
Vote Share Over Time
About San Juan County, New Mexico
San Juan County, New Mexico has a total population of 120,942, making it the 533rd most populous county in the United States. The median age in San Juan County is 38.3 years, which is 1.5% below the national median of 38.9 years.
The median household income in San Juan County is $55,872, which ranks #2,413 of 3,222 counties nationwide. This is 25.7% below the national median of $75,149. The poverty rate is 23.1%, higher than the national rate of 12.6%. The unemployment rate stands at 7.3%.
The median home value in San Juan County is $193,800, 31.3% below the national median. Renters in San Juan County pay a median gross rent of $956 per month. The homeownership rate is 71.2%, compared to the national rate of 64.4%.
In San Juan County, 18.3% of residents aged 25 and older hold a bachelor's degree or higher, 45.8% below the national average of 33.7%. Health insurance coverage stands at 87.1% of the population. The average commute time for workers is 26.8 min.
San Juan County is a diverse community. The largest racial or ethnic group is American Indian (non-Hispanic) at 38.4% of the population, followed by White (non-Hispanic) (36.2%) and Hispanic or Latino (19.8%).
All data for San Juan County, New Mexico comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.