New Mexico County Maps
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New Mexico has 33 counties, a population of more than 2 million people, about 372 zip codes and 116 public school districts. Those counties vary widely in population, school enrollment, zip code coverage and local boundary structure. Bernalillo County has the largest population in the state, while Harding County has the smallest. Browse the map, population, zip codes, school districts, county subdivisions and county list sections below to explore further. Or, simply start typing in the box below to go directly to that county.
Interactive New Mexico County Map
This New Mexico county map preview highlights population-by-county context, ZIP code coverage, school districts, and local boundary structure. Full statewide and county-level data packages are available when you need complete downloadable datasets. Click or tap any county to view its maps, trends and data.
Start with a free preview, or go straight to the full New Mexico dataset .
New Mexico Population By County
New Mexico's population was over 2 million in 2020, up 58,343 (2.83%) residents from 2010. Bernalillo County had the largest population in the state with 676,444 people. Doña Ana and Santa Fe Counties also stand out as major population centers. Harding County was the least populated area in New Mexico with only 657 residents. The table below compares New Mexico county populations and recent population trends.
The Most Populated Counties In New Mexico
| County | Population | Trend (2010-2020) |
|---|---|---|
| Bernalillo County | 676,444 | ▴ 2.09% |
| Doña Ana County | 219,561 | ▴ 4.94% |
| Santa Fe County | 154,823 | ▴ 7.39% |
| Sandoval County | 148,834 | ▴ 13.13% |
| San Juan County | 121,661 | ▾ 6.45% |
| Download all county population data | ||
County populations reflect the latest state serving context (2020).
New Mexico County Map With ZIP Codes
New Mexico has about 372 zip codes statewide. Rio Arriba County contains the most zip codes, with 30. County-level zip code maps give a faster and clearer way to understand local coverage as zip boundaries can span county and municipal lines. The maps below highlight a few New Mexico counties.
New Mexico School Districts By County
New Mexico has 116 public school districts with 387,192 students enrolled as of 2024. Roosevelt County has the highest district count in the state. Sandoval County has the largest total school enrollment. McKinley County posted the largest recent enrollment gain. The table below compares county level school district totals and recent enrollment trends across the state.
Largest School Districts in New Mexico
| County | Districts | Enrollment | Trend |
|---|---|---|---|
| Roosevelt County | 7 | 3,991 | ▾ 1.60% |
| Chaves County | 6 | 14,360 | ▾ 1.54% |
| Socorro County | 6 | 5,545 | ▾ 1.58% |
| Rio Arriba County | 6 | 3,408 | ▾ 22.69% |
| Quay County | 6 | 1,851 | ▴ 0.11% |
| Download all school district data | |||
School district enrollment and trend values reflect the most recent state-level context (2024).
New Mexico County Map With County Subdivisions
New Mexico has about 130 county subdivisions statewide. These boundaries add another layer of local detail and help show how subdivision lines fit inside county boundaries. The previews below highlight a few counties with available subdivision map coverage.
Get the Full New Mexico Data Package
The sections above provide a preview of New Mexico county maps and county-level data. The full package includes complete statewide coverage with ready-to-use files for mapping, planning, and analysis.
Everything is organized to save hours of data collection, cleanup, and integration work.
- County map exports and boundary coverage for every county in New Mexico
- Statewide GIS layers for ZIP codes, subdivisions, school districts, roads, water, and political boundaries
- Population, demographics, school, housing, and trend context aligned across counties
- Database files, map-ready exports, and documentation designed for faster research workflows
Includes GIS layers, maps, demographics, analytics, database files and planning tools.