Sierra County, NM ZIP Codes
New Mexico (NM) · 10 ZIP codes · 10 cities
10
ZIP codes
11,502
population (2021)
-4.1%
pop change since 2010
35051
FIPS code
Sierra County ZIP code map
About Sierra County
Sierra County is located in New Mexico and contains 10 ZIP codes across 10 cities and communities.
The county's population was 11,502 as of 2021,
a decrease of
4.1% from 11,988 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Sierra County is 35051.
| Population | |
|---|---|
| 2021 population | 11,502 |
| 2010 population | 11,988 |
| Change | -4.1% |
| County details | |
|---|---|
| State | New Mexico |
| FIPS code | 35051 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Sierra County
Arrey
Caballo
Derry
Elephant Butte
Hillsboro
Monticello
Spaceport City
Truth Or Consequences
Williamsburg
Winston
ZIP codes for Sierra County, NM (10)
| ZIP code | City | County | Map |
|---|---|---|---|
| 87654 | Spaceport City | Sierra | View map |
| 87901 | Truth Or Consequences | Sierra | View map |
| 87930 | Arrey | Sierra | View map |
| 87931 | Caballo | Sierra | View map |
| 87933 | Derry | Sierra | View map |
| 87935 | Elephant Butte | Sierra | View map |
| 87939 | Monticello | Sierra | View map |
| 87942 | Williamsburg | Sierra | View map |
| 87943 | Winston | Sierra | View map |
| 88042 | Hillsboro | Sierra | View map |
Demographics & statistics
9,768
Population
50.0
Median age
$28,943
Median household income
$24,547
Per capita income
$166,686
Median home value
$207
Median monthly rent
82.9%
Home ownership
22.1%
Poverty rate
2.6%
Unemployment
4,781
Housing units
22.5%
Bachelor's or higher
Age distribution
Male
Female
250
Under 5
218
217
5–9
189
252
10–14
219
343
15–19
298
138
20–24
120
346
25–34
300
663
35–44
576
589
45–54
512
242
55–59
211
519
60–64
450
898
65–74
781
493
75–84
428
276
85+
240
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,784 | 11.8% |
| 18 and over | 7,984 | 88.2% |
| 65 and over | 3,116 | 45.1% |
| Median age | 50.0 years | |
Race & ethnicity
White
66.1%
Hispanic or Latino
14.2%
Two or more races
11.7%
Other race
4.4%
American Indian / Alaska Native
3.1%
Asian
0.3%
Black or African American
0.3%
| Group | Count | % |
|---|---|---|
| White | 7,519 | 66.1% |
| Hispanic or Latino | 1,614 | 14.2% |
| Two or more races | 1,332 | 11.7% |
| Other race | 502 | 4.4% |
| American Indian / Alaska Native | 354 | 3.1% |
| Asian | 31 | 0.3% |
| Black or African American | 30 | 0.3% |
Household income
Under $10k
10.6%
$10k–$15k
8.4%
$15k–$25k
14.9%
$25k–$35k
7.0%
$35k–$50k
11.4%
$50k–$75k
14.8%
$75k–$100k
9.8%
$100k–$150k
17.0%
$150k–$200k
1.3%
$200k+
4.7%
| Range | % of households |
|---|---|
| Under $10k | 10.6% |
| $10k–$15k | 8.4% |
| $15k–$25k | 14.9% |
| $25k–$35k | 7.0% |
| $35k–$50k | 11.4% |
| $50k–$75k | 14.8% |
| $75k–$100k | 9.8% |
| $100k–$150k | 17.0% |
| $150k–$200k | 1.3% |
| $200k+ | 4.7% |
| Median income | $28,943 |
Housing
Home values
Under $50k
5.1%
$50k–$100k
21.7%
$100k–$150k
16.7%
$150k–$200k
9.9%
$200k–$300k
17.3%
$300k–$500k
15.0%
$500k–$1M
14.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $166,686 |
| Median rent / month | $207 |
| Owner occupied | 82.9% |
| Renter occupied | 17.1% |
| Vacant | 29.1% |
| Single-family detached | 51.6% |
| Large apartment buildings | 0.6% |
| Mobile homes | 40.3% |
| Median rooms | 4.9 |
| Avg household size (owned) | 2.05 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 3.9% |
| 2000–2009 | 16.4% |
| 1990–1999 | 15.4% |
| 1980–1989 | 17.5% |
| 1970–1979 | 12.9% |
| 1960–1969 | 7.6% |
| 1950–1959 | 6.0% |
| 1940–1949 | 5.9% |
| 1939 or earlier | 14.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.9% |
| 1 bedroom | 16.6% |
| 2 bedrooms | 36.8% |
| 3 bedrooms | 33.2% |
| 4 bedrooms | 8.5% |
| 5+ bedrooms | 1.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.3% |
| 1 vehicle | 29.1% |
| 2 vehicles | 44.2% |
| 3 or more | 22.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 16.1% |
| Electricity | 40.2% |
| Propane / LP gas | 37.7% |
| Wood | 5.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,636 | 47.6% |
| Cohabiting couple | 263 | 2.5% |
| Male householder, no spouse | 1,025 | 17.8% |
| Female householder, no spouse | 1,327 | 32.0% |
| Households with children under 18 | 781 | 12.1% |
| Households with seniors (65+) | 2,049 | 55.8% |
| Average household size | 2.09 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 19.5% | 15.4% |
| Married | 53.6% | 52.6% |
| Separated | 0.2% | 0.3% |
| Widowed | 11.4% | 17.8% |
| Divorced | 15.3% | 13.9% |
Education
Less than 9th grade
3.4%
Some HS, no diploma
8.4%
HS graduate
29.6%
Some college, no degree
26.7%
Associate's degree
9.4%
Bachelor's degree
10.7%
Graduate / professional
11.8%
| Metric | % |
|---|---|
| HS diploma or higher | 88.2% |
| Bachelor's or higher | 22.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 95 | 1.1% |
| Kindergarten | 37 | 0.4% |
| Elementary school | 554 | 22.8% |
| High school | 654 | 31.9% |
| College / grad school | 85 | 1.0% |
Employment
Industry of employment
Agriculture & mining
29.4%
Education & healthcare
28.7%
Retail trade
9.3%
Professional & management
7.3%
Other services
6.1%
Manufacturing
6.0%
Public administration
5.8%
Arts, food & hospitality
3.7%
Transportation & utilities
2.4%
Construction
1.0%
Finance & real estate
0.2%
Information
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 60.5% |
| Service | 13.3% |
| Sales & office | 8.3% |
| Natural resources & construction | 14.7% |
| Production & transportation | 3.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 40.3% |
| Government | 16.8% |
| Self-employed | 42.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 44.7% |
| Carpool | 12.6% |
| Public transit | 0.5% |
| Walk | 10.2% |
| Other means | 4.7% |
| Avg commute (minutes) | 5.1 |
Poverty
All people
22.1%
Under 18 years
28.7%
18 and over
19.3%
Married-couple families
13.9%
Female-led households
31.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 60.0% |
| Retirement income | 34.5% |
| Supplemental Security | 4.7% |
| Cash public assistance | 0.5% |
| Food stamps / SNAP | 15.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 41.6% |
| High cholesterol | 38.5% |
| Heart disease | 10.7% |
| Stroke | 5.1% |
| Asthma | 10.2% |
| Arthritis | 35.0% |
| Kidney disease | 4.8% |
| Pulmonary disease | 10.1% |
| Cancer | 9.3% |
| Behavior / access | % |
|---|---|
| Binge drinking | 10.5% |
| No physical activity | 25.6% |
| Less than 7 hrs sleep | 31.5% |
| Fair or poor health | 19.3% |
| Poor mental health | 12.9% |
| Poor physical health | 14.1% |
| No health insurance | 10.7% |
| Visited doctor (checkup) | 72.4% |
| Visited dentist | 59.9% |
| Cholesterol screening | 91.9% |
| Teeth loss | 16.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 895 | 16.7% |
| Disability | % |
|---|---|
| Any disability | 31.4% |
| Under 18 | 1.0% |
| 18–64 years | 13.1% |
| 65 and over | 56.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 53.1% |
| Public insurance | 70.3% |
| Uninsured under 19 | 0.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 9,300 | 96.1% |
| Spanish | 291 | 1.4% |
| Other Indo-European | 252 | 1.3% |
| Asian & Pacific Islander | 16 | 0.0% |
| Other languages | 17 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 9,303 | 92.7% |
| Born in same state | 9,242 | 92.5% |
| Born in different state | 4,814 | 40.7% |
| Foreign born | 61 | 0.3% |
| Naturalized citizen | 465 | 7.3% |
| Not a US citizen | 165 | 22.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 1,068 | 10.9% |
| Italian | 766 | 7.8% |
| Arab | 696 | 7.1% |
| Polish | 78 | 0.8% |
| English | 67 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 65 | 0.7% |
| Dutch | 28 | 0.3% |
| German | 14 | 0.1% |
| Irish | 10 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 48.8% |
| Internet access | 82.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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