Los Alamos County GIS Maps
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Los Alamos County, New Mexico, has 19,419 residents across 7,571 parcels and covers 109.2 square miles. The population grew 8.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Los Alamos County is 35028.
Los Alamos is the county's largest population center. Los Alamos County also includes 1 zip code, 1 public school district and 7 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.
Los Alamos County Trends
- Population
- 19,419▴
- Median Home Value
- $452,500▴
- K-12 Enrollment
- 3,667▾
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.
Los Alamos 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.
Los Alamos County Parcels
Los Alamos County has 7,571 mapped parcels covering 69,533 acres. The records carry 6,607 distinct owner names. About 3% 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 Los Alamos County Parcel viewer here.
Los Alamos County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 7,571 | 100% |
| Owner name | 7,571 | 100% |
| Owner mailing address | 7,571 | 100% |
| Site address | 7,566 | 99.9% |
| Land use code | 7,553 | 99.8% |
| Land use description | 7,553 | 99.8% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 0 | 0% |
| Parcel boundary | 7,571 | 100% |
| Download all Los Alamos County parcels. | ||
Field coverage measured across all Los Alamos County parcel records.
Los Alamos County Population
Los Alamos County had 19,419 residents in 2020. That was 8.2% higher than in 2010. Los Alamos County added 1,076 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 178 people per square mile. One of the county's most populated postal areas is White Rock.
Population Trend in Los Alamos County NM
Los Alamos County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Los Alamos County Zip Codes
Los Alamos County has 1 zip codes. One of the county's most populated zip codes is White Rock (87547). White Rock is the largest zip by population, with about 5,873 residents or 30% of the county total. Together, the three largest zips account for about 30% of all county residents based on 2020 population estimates.
Los Alamos County Demographics
Los Alamos County has a median age of 41.1, which makes the county a little older than New Mexico overall. About 21.4% of residents are under 18, while 18.2% 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 34.2% of the population, which points to a solid working-age base. About 68.2% of adults have a bachelor's degree or higher, above the statewide figure of 30.2%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Los Alamos County NM
Median Age
41.1
Under 18
21.4%
Age 65+
18.2%
Bachelor's+
68.2%
Los Alamos County School Districts
Los Alamos County is served by 1 public school district with 3,667 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Los Alamos County NM
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Los Alamos Public Schools | 3,667 | 100% | ▾ -1.5% |
| Download all school district data | |||
Los Alamos County school district enrollment and trends per most recent NCES reporting data.
Los Alamos County Housing & Real Estate
Los Alamos County has a median home value of $452,500 and a median gross rent of $1,308. About 75% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the New Mexico median, while rents come in above the state average. In March 2026, the median listing price was $709,500 and homes spent about 98 days on the market.
Los Alamos County Housing Mix
Los Alamos County housing mix: owner, renter and vacant units.
Los Alamos County Housing Trends
Los Alamos County median home value and rent trend (last 5 years).
Businesses in Los Alamos County, NM
Los Alamos County has 688 business listings across 286 categories. The largest categories in Los Alamos County business listings are Churches & Religious Organizations (22, 3.2%), Real Estate Agents (17, 2.5%), and Community & Nonprofits (14, 2.0%). The full Los Alamos County business listings dataset includes names, categories, addresses and contact details where available. Los Alamos County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Los Alamos County, NM
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 22 | 3.2% |
| Real Estate Agents | 17 | 2.5% |
| Community & Nonprofits | 14 | 2.0% |
| Landmark And Historical Building | 13 | 1.9% |
| Parks & Recreation | 13 | 1.9% |
| Auto Repair | 12 | 1.7% |
| Public And Government Association | 10 | 1.5% |
| Gas Stations | 9 | 1.3% |
| Insurance Agencies | 9 | 1.3% |
| Hair Salons | 9 | 1.3% |
Los Alamos County Business Listings
| Business | Category | City |
|---|---|---|
| Green Star Studios | 3D Printing Service | Los Alamos |
| James A. Dinkel PC | Accountant | Los Alamos |
| Water Canyon Trail | Active Life | Los Alamos |
| Los Alamos Integrative Health Center | Acupuncture | Los Alamos |
| Los Alamos Airport | Airport | Los Alamos |
| James H Sussman, DO | Allergist | Los Alamos |
| Blue Window Bistro | American Restaurants | Los Alamos |
| Los Alamos County Animal Shelter | Animal Shelters | Los Alamos |
| MOSAIC | Apartments | Los Alamos |
| The Karen Wray Gallery | Art Gallery | Los Alamos |
| Download Los Alamos County business listings | ||
Los Alamos County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Los Alamos County Basemaps
Los Alamos 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 Los Alamos County Data Package
This page shows a preview of what's included in the Los Alamos 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 Los Alamos County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.