| ZIP Codes: | 16 ZIP Codes (11 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Code: | 575 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:54:31 PM |
| Population: | 56,349 [See All] |
| FIPS: | 35035 |
| CBSA: | Alamogordo, NM |
| Land Area: | 3,802 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 32.8390, -105.7758 |
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56,349 residents live across 16 ZIPs covering 3,802 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 56,897 to 56,349 from 2014 to 2024 — a -1.0% change. 6 ZIPs gained residents, 9 lost (and 1 held flat).
The county's wealthiest ZIP 88317 (Cloudcroft, $136,250 median) and poorest ZIP 88311 (Alamogordo, $17,188) are 17.8 miles apart — a 7.9× income gap across local geography.
Median home values vary 5.3× across this county — from $48,600 in 88340 (Mescalero) to $256,500 in 88325 (High Rolls Mountain Park).
Density varies 28× across the county — from 4 people/sq mi in 88339 (Mayhill) to 109 in 88311 (Alamogordo).
Educational attainment ranges from 3.7% bachelor's+ in 88311 (Alamogordo) to 73.8% in 88350 (Timberon) — the breadth of educational profiles across the area.
Within New Mexico, this is the #10 most populous of 34 counties and ranks #8 for median household income .
Weighted by population, the typical household earns about $58,655 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.1% of adults age 25+ hold a bachelor's degree or higher (9,857 of 37,824 reporting).
11 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 7.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 88310 | Alamogordo | Standard | 36,983 | $57,214 | 781.9 | 0.5% |
| 88330 | Holloman Air Force Base | Standard | 4,433 | $52,465 | 56.6 | 18.4% |
| 88352 | Tularosa | Standard | 4,124 | $48,693 | 388.1 | -15.5% |
| 88340 | Mescalero | Standard | 3,590 | $36,927 | 661.6 | -4.8% |
| 88317 | Cloudcroft | Standard | 2,077 | $136,250 | 227.8 | 49.9% |
| 88337 | La Luz | Standard | 1,859 | $60,597 | 68.6 | -23.9% |
| 88325 | High Rolls Mountain Park | PO Box | 1,370 | $97,955 | 38.4 | 113.7% |
| 88339 | Mayhill | Standard | 603 | $57,375 | 155.4 | -24.4% |
| 88311 | Alamogordo | PO Box | 493 | $17,188 | 4.5 | -68.2% |
| 88350 | Timberon | PO Box | 479 | — | 102.4 | 87.8% |
| 88347 | Sacramento | Standard | 246 | — | 110.2 | 45.6% |
| 88344 | Pinon | Standard | 44 | $113,375 | 979.9 | -68.3% |
| 88354 | Weed | Standard | 29 | — | 132.4 | -75.0% |
| 88314 | Bent | Standard | 10 | — | 53.5 | -92.6% |
| 88342 | Orogrande | PO Box | 9 | — | 0.0 | -86.2% |
| 88349 | Sunspot | PO Box | 0 | — | 40.8 | — |