Sierra County GIS Maps

Sierra 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.

Sierra County Parcels

Sierra County has 10,802 mapped parcels covering 2,705,236 acres. The records carry 8,110 distinct owner names. About 16% 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 Sierra County Parcel viewer here.

Sierra County Parcel Data Coverage

Field coverage measured across all Sierra County parcel records. Download free sample data here.

Sierra County Population

Sierra County had 11,576 residents in 2020. That was 3.4% lower than in 2010. Sierra County had 1,694 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 3 people per square mile. Some of the county's most populated postal areas include Truth Or Consequences, Elephant Butte and Williamsburg.

Population Trend in Sierra County NM

Sierra County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Sierra County Zip Codes

Sierra County has 9 zip codes. Some of the county's most populated zip codes include Truth Or Consequences (87901), Elephant Butte (87935) and Williamsburg (87942). Truth Or Consequences is the largest zip by population, with about 6,515 residents or 56% of the county total. Together, the three largest zips account for about 81% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Sierra County NM

Sierra County Zip Code populations and trends per most recent census data.

Sierra County Demographics

Sierra County has a median age of 57.3, which makes the county a little older than New Mexico overall. About 15.6% of residents are under 18, while 36.9% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 36.9% of the population, which points to an older population profile. About 16.3% 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 Sierra County NM

Sierra County School Districts

Sierra County is served by 1 public school district with 1,246 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, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Sierra County NM

Sierra County school district enrollment and trends per most recent NCES reporting data.

Sierra County Housing & Real Estate

Sierra County has a median home value of $144,800 and a median gross rent of $695. 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 $264,000 and homes spent about 96 days on the market.

Businesses in Sierra County, NM

Sierra County has 731 business listings across 254 categories. The largest categories in Sierra County business listings are Structure And Geography (69, 9.4%), Lake (28, 3.8%), and Churches & Religious Organizations (21, 2.9%). The full Sierra County business listings dataset includes names, categories, addresses and contact details where available. Sierra County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Sierra County, NM

Sierra County Business Listings

Sierra County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Sierra County Basemaps

Sierra 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.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from New Mexico — explore the full structure before you buy.