New Mexico›Sierra County

OasisNM

75 people call this town in New Mexico home.

Population

Census survey, 2020–24

Median age

76.4

years

Land area

2 sq mi

Is Oasis a good place to live?

76% of residents live below the poverty line in Oasis, above both the New Mexico town median (21%) and the median of U.S. towns (9.6%). Of the 74 New Mexico towns we compare, none has a higher age of the median resident than Oasis. Oasis has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

75 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns

Williamsburg · 13 mi Elephant Butte · 18 mi Hatch · 20 mi Truth or Consequences · 22 mi

Getting set up

Moving to Oasis: who provides what

Oasis is unincorporated, so Sierra County and regional agencies provide most services.

PowerSierra Electric CoopEIAHIFLD · EIA

Internet4 providers100% of addresses get 100/20 MbpsFCC

Trash & county servicesSierra CountySierra County provides services here

SchoolsTruth or Consequences SchoolsWhich school depends on your addressNCES

Register to voteOnlineIn New Mexico you can register online until 28 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before).vote.gov

Who runs elections hereSierra County ClerkSierra County; contacts on the Handbook page.FVAP, Sep 2026

ZIP code8793187931 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 27, 2026.

The data

Ordered by what stands out in Oasis.

Natural hazards

In Oasis, the FEMA risk score runs higher than in the typical New Mexico or U.S. town

Three quarters of Oasis’s expected losses from natural hazards come from inland flooding, followed by wildfires at 10%. Expected storm and flood damage is higher than in 93% of U.S. communities.

93risk score of 100

FEMA risk score

Inland floodingWildfireDrought

Full pageOasis’ hazards pageOpen the page

What it facesVery high risk Flood claims0 paid flood claims · No paid flood claims on record Past disasters10 disaster declarations · Declared for the county Get ready1.9 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

Compared with most of New Mexico and the rest of the country, a typical July afternoon in Oasis is hotter

Winters in Oasis are chilly and summers hot, with very little rain. July afternoons reach 97°, January nights drop to 26° and snow is almost unheard of.

97°summer high

Typical low → high °F

Winter27–60°

Spring43–79°

Summer63–96°

Fall45–78°

Nov 6

typical first frost

Mar 25

typical last frost

+1.6°

vs. the 20th-century average

97°

typical summer high

Full pageOasis’ climate pageOpen the page

A year of weatherJuly highs 97°, January lows 26°Rain & snow10″ of rain a year · Snow is almost unheard of Heating & coolingBoth heating and cooling Then and now+1.6° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Oasis is

In Oasis, a fifth of adults worry about having enough food. This New Mexico town does better than the New Mexico average on 4 of 32 CDC measures and worse on 13. Of the 74 New Mexico towns we compare, none has a higher share of adults who have high blood pressure than Oasis.

	Oasis	New Mexico towns	U.S. towns
Diabetes (CDC PLACES)	19%	14%	12%
Frequent physical distress (CDC PLACES)	20%	17%	14%
High blood pressure (CDC PLACES)	49%	35%	35%
Smoke cigarettes (CDC PLACES)	20%	14%	14%