San Juan County GIS Maps
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San Juan County, New Mexico, has 121,661 residents across 43,180 parcels and covers 5,517.2 square miles. The population declined 6.4% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for San Juan County is 35045.
Farmington is the county's largest population center. San Juan County also includes 16 zip codes, 4 public school districts and 17 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
San Juan County Trends
- Population
- 121,661▾
- Median Home Value
- $185,100▴
- K-12 Enrollment
- 20,095▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
San Juan County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
San Juan County Parcels
San Juan County has 43,180 mapped parcels. Residential land accounts for 61.3% of parcels. Non-residential land follows at 22.8% and agricultural land at 2.4%. The records carry 33,115 distinct owner names. About 12% of parcels list an owner mailing address outside New Mexico. Owner names, mailing addresses and site addresses are on nearly every parcel. Browse the interactive San Juan County Parcel viewer here.
San Juan County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 43,180 | 100% |
| Owner name | 43,180 | 100% |
| Owner mailing address | 43,180 | 100% |
| Site address | 43,172 | 99.9% |
| Land use code | 38,389 | 88.9% |
| Land use description | 38,389 | 88.9% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 0 | 0% |
| Parcel boundary | 43,180 | 100% |
| Download all San Juan County parcels. | ||
Field coverage measured across all San Juan County parcel records.
San Juan County Population
San Juan County had 121,661 residents in 2020. That was 6.4% lower than in 2010. San Juan County added 7,860 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 22 people per square mile. Some of the county's most populated postal areas include Farmington, Aztec and Bloomfield.
Population Trend in San Juan County NM
San Juan County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
San Juan County Zip Codes
San Juan County has 16 zip codes. Some of the county's most populated zip codes include Farmington (87401), Aztec (87410) and Bloomfield (87413). Farmington is the largest zip by population, with about 44,724 residents or 37% of the county total. Together, the three largest zips account for about 62% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in San Juan County NM
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 87401 | Farmington | 44,724 | ▾ -3.4% |
| 87410 | Aztec | 16,064 | ▾ -8.7% |
| 87413 | Bloomfield | 14,652 | ▾ -12.7% |
| 87402 | Farmington | 11,646 | ▴ 5.5% |
| 87420 | Shiprock | 10,462 | ▾ -12.6% |
| Download all zip code data | |||
San Juan County Zip Code populations and trends per most recent census data.
San Juan County Demographics
San Juan County has a median age of 38, which makes the county a little younger than New Mexico overall. About 25.4% of residents are under 18, while 16.3% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 31.6% of the population, which points to a solid working-age base. About 16.6% of adults have a bachelor's degree or higher, above the statewide figure of 30.2%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for San Juan County NM
Median Age
38
Under 18
25.4%
Age 65+
16.3%
Bachelor's+
16.6%
San Juan County School Districts
San Juan County is served by 4 public school districts with 20,095 students enrolled in 2024. The largest districts on the county map are Farmington Municipal Schools, Central Consolidated Schools and Aztec Municipal Schools. Those three districts account for about 88% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in San Juan County NM
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Farmington Municipal Schools | 10,745 | 53.5% | ▾ -3.1% |
| Central Consolidated Schools | 4,515 | 22.5% | ▾ -3.9% |
| Aztec Municipal Schools | 2,448 | 12.2% | ▾ -2.9% |
| Bloomfield Municipal Schools | 2,387 | 11.9% | ▾ -5.3% |
| Download all school district data | |||
San Juan County school district enrollment and trends per most recent NCES reporting data.
San Juan County Housing & Real Estate
San Juan County has a median home value of $185,100 and a median gross rent of $917. About 70% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the New Mexico median, while rents come in below the state average. In March 2026, the median listing price was $403,721 and homes spent about 55 days on the market.
San Juan County Housing Mix
San Juan County housing mix: owner, renter and vacant units.
San Juan County Housing Trends
San Juan County median home value and rent trend (last 5 years).
Businesses in San Juan County, NM
San Juan County has 4,418 business listings across 632 categories. The largest categories in San Juan County business listings are Churches & Religious Organizations (132, 3.0%), Gas Stations (99, 2.2%), and Auto Repair (81, 1.8%). The full San Juan County business listings dataset includes names, categories, addresses and contact details where available. San Juan County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in San Juan County, NM
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 132 | 3.0% |
| Gas Stations | 99 | 2.2% |
| Auto Repair | 81 | 1.8% |
| ATMs | 73 | 1.7% |
| Parks & Recreation | 72 | 1.6% |
| Fast Food | 59 | 1.3% |
| Landmark And Historical Building | 56 | 1.3% |
| Insurance Agencies | 51 | 1.2% |
| Money Transfer Services | 50 | 1.1% |
| Contractors | 49 | 1.1% |
San Juan County Business Listings
| Business | Category | City |
|---|---|---|
| New Mexico Treatment Services | Abuse And Addiction Treatment | Farmington |
| Kinteel Residential Campus | Accommodation | Aztec |
| Solga & Jakino | Accountant | Farmington |
| Fly High trampoline park | Active Life | Farmington |
| de’Medici Classical Acupuncture | Acupuncture | Flora Vista |
| Alcoholics Anonymous | Addiction Rehabilitation Center | Farmington |
| Something Sexy 2 | Adult Entertainment | Farmington |
| Elite Promotional & Embroidery | Advertising Agency | Farmington |
| Stotz Equipment | Agricultural Service | Farmington |
| Old Orchard Seed Co. | Agriculture | Farmington |
| Download San Juan County business listings | ||
San Juan County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
San Juan County Basemaps
San Juan County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full San Juan County Data Package
This page shows a preview of what's included in the San Juan County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border San Juan County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.