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San Juan County, New Mexico

San Juan County profile, demographic data, and geographic information.

San Juan County is a county located in New Mexico, United States of America. As of official census estimates, it has a reported population of 120,340. The land area covers 5,517.23 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of San Juan County
Official Title: County Operations Officer
Address: 100 S OLIVER DR, STE 100, AZTEC NM 87410-2432

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 120,340 — 2025 / Census
Median Age 38.3 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 41,732 ±601 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 48,255 ±139
Occupied Housing Units 41,732 ±601
Vacant Housing Units 6,523 ±587
Median Home Value $193,800 ±$6,671
Median Gross Rent $956 ±$44
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $55,872 ±$1,667
Per Capita Income $28,099 ±$969
Poverty Rate 23.1% ±1.5%
Population Below Poverty Level 27,595 ±1,837
Unemployment Rate 7.3% ±0.9%
Civilian Labor Force, Employed 46,660 ±1,179
Broadband Internet Rate 72.4% ±1.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at FARMINGTON AG SCI CNT, NM US, located 10.5 miles from San Juan County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 41.1° 20.0° 30.6° 0.54" 2.2"
February 48.0° 24.5° 36.3° 0.52" 2.0"
March 57.7° 30.6° 44.1° 0.59" 0.9"
April 65.4° 36.5° 50.9° 0.62" 0.3"
May 75.0° 45.4° 60.2° 0.60" 0.0"
June 86.4° 54.6° 70.5° 0.26" 0.0"
July 90.2° 61.3° 75.8° 0.77" 0.0"
August 87.2° 59.8° 73.5° 0.98" 0.0"
September 80.0° 52.0° 66.0° 1.09" 0.0"
October 67.5° 40.1° 53.8° 0.84" 0.5"
November 53.3° 28.8° 41.1° 0.59" 0.7"
December 41.7° 20.8° 31.2° 0.55" 2.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 35045. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.