| ZIP Codes: | 10 ZIP Codes (8 Standard, 1 PO Box, 1 Unique) [See All] |
| Area Code: | 575 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:54:31 PM |
| Population: | 11,500 [See All] |
| FIPS: | 35051 |
| Land Area: | 3,834 sq mi |
| Water Area: | 56 sq mi |
| Coordinates: | 33.0936, -107.3729 |
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11,500 residents live across 10 ZIPs covering 3,834 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 11,764 to 11,500 from 2014 to 2024 — a -2.2% change. 5 ZIPs gained residents, 3 lost (and 1 held flat).
The county's wealthiest ZIP 88042 (Hillsboro, $75,137 median) and poorest ZIP 87901 (Truth Or Consequences, $34,242) are 43.5 miles apart — a 2.2× income gap across local geography.
Median home values vary 1.7× across this county — from $114,800 in 87942 (Williamsburg) to $197,700 in 87935 (Elephant Butte).
Density varies 1380× across the county — from 0 people/sq mi in 88042 (Hillsboro) to 363 in 87935 (Elephant Butte).
Educational attainment ranges from 6.8% bachelor's+ in 88042 (Hillsboro) to 28.6% in 87939 (Monticello) — the breadth of educational profiles across the area.
Within New Mexico, this is the #26 most populous of 34 counties and ranks #28 for median household income .
Hosts 1 single-entity Unique ZIP: 87654Spaceport America .
Weighted by population, the typical household earns about $39,474 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.0% of adults age 25+ hold a bachelor's degree or higher (1,576 of 9,259 reporting).
8 Standard delivery, 1 PO Box only, 1 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 87901 | Truth Or Consequences | Standard | 6,378 | $34,242 | 1,670.6 | -5.9% |
| 87935 | Elephant Butte | PO Box | 2,094 | $51,033 | 5.8 | 16.9% |
| 87942 | Williamsburg | Standard | 1,005 | $42,308 | 153.8 | 18.7% |
| 87930 | Arrey | Standard | 718 | $38,085 | 17.4 | -34.5% |
| 87931 | Caballo | Standard | 703 | — | 132.9 | 10.7% |
| 87939 | Monticello | Standard | 206 | — | 378.6 | 9.6% |
| 88042 | Hillsboro | Standard | 205 | $75,137 | 779.4 | -14.9% |
| 87943 | Winston | Standard | 191 | — | 687.4 | 2.1% |
| 87933 | Derry | Standard | 0 | — | 8.4 | — |
| 87654 | Spaceport City | Unique | — | — | 0.0 | — |