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Sierra County, NM
11 cities and towns and 9 ZIP codes in Sierra County, New Mexico.
Population
11,500
Land area
4,181sq mi
People per sq mi
3
ZIP codes
9
Cities and towns in Sierra County
Sierra County at a glance
- Sierra County is 84% less dense than New Mexico as a whole.
- The median household income is $41,600, 35% below the New Mexico median of $64,059.
- A typical owner-occupied home is valued at $152,600 (38% below New Mexico) and median rent is $729 a month.
- Its largest cities are Truth or Consequences (6,019), Elephant Butte (1,790) and Arrey (491).
Local data for Sierra County, NM
Counts from official public data
Housing and community stats
Sierra County, NM, American Community Survey 2020-2024
Median household income
$41,600
Poverty rate
21.4%
Median home value
$152,600
Prices +8.3% in a year
Median rent
$729/mo
Homeownership
71.8%
Bachelor's or higher
17.0%
Median age
57.6
Average commute
14.8 min
Largest reported origins and ancestries: Mexican Americans (2,448), German Americans (1,297), Irish Americans (1,286).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
5.9%
Aug 2026, +0.9 pts in a year
Average annual pay
$45,691
3,641 jobs, 2025
Income per person
$52,569
BEA, 2024
Federal spending
$150M
FY 2026, $12,997 per person
PPP loans
$14.04M
226 loans, 1,782 jobs reported
Campaign donations
$69.07K
Itemized, 2026 cycle
How people get to work
Sierra County, NM, workers 16 and older. American Community Survey 5-year estimates
- Drove alone72.3%
- Carpooled10.0%
- Public transit0.0%
- Walked2.9%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other6.7%
- Worked from home8.2%
Average one-way commute: 14.8 minutes for people who do not work from home.
Environment and hazard risk
Sierra County, NM, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: wildfire
Storm events since 1996
403
Most often drought
Flood insurance policies
27
0.3% of homes, county
July high / Jan low
96° / 30°F
9.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone11 historic places
Health statistics
Share of adults in Sierra County, NM, CDC PLACES estimates
Obesity
36.8%
U.S. 33.3% +3.5 pts
Diabetes
18.2%
U.S. 12.1% +6.1 pts
Smoking
15.8%
U.S. 12.8% +3.0 pts
Uninsured (18-64)
14.7%
U.S. 11.1% +3.6 pts
Cities, towns and ZIP codes in Sierra County
Population shown
Frequently asked questions
- What is the largest city in Sierra County, NM?
- Truth or Consequences is the largest city or town in Sierra County, with about 6,019 residents.
- How many ZIP codes are in Sierra County?
- Sierra County includes 9 ZIP Code Tabulation Areas, including 87901, 87930, 87931, 87933, 87935.
- What is the population of Sierra County, NM?
- About 11,500 people live in Sierra County, based on American Community Survey 5-year estimates.
- What counties border Sierra County?
- Sierra County borders Doñan Ana County, Otero County, Grant County, Luna County, Lincoln County, Socorro County, Catron County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023