87931 ZIP Code — Caballo, NM

Sierra County, New Mexico

ZIP code 87931 is located in Caballo, New Mexico, within Sierra County. It covers approximately 166.70 square miles and serves a population of 706 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 575.

About ZIP code 87931

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $145,400. Owner-occupancy sits near the national average at 65%.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (16%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 30% of civilians, above the national average of 7%.

Overall, ZIP code 87931 reflects a community defined by economic challenges above the national average, a strong veteran community, a significant Social Security-dependent population, and elevated reliance on food assistance.

706

population

166.70

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

87931 ZIP code map

Cities in ZIP code 87931

Below are the cities the US Postal Service accepts for ZIP code 87931. Using any city not on this list may result in mail delivery delays.

City	Status
Caballo	Preferred

Nearby ZIP codes

88042 Hillsboro (12 mi) 87942 Williamsburg (13.8 mi) 87930 Arrey (19 mi)

Demographics updated 05/2026

Population
Total population	706
Population density	4 / sq mi
State FIPS	35
County FIPS	051

Geography
Land area	166.70 sq mi
Water area	6.64 sq mi
Latitude	33.0280
Longitude	-107.5064
Timezone	Mountain (MT)
Area code	575

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.3%	62.8%	48.8%
$50k – $100k	46.8%	23.0%	29.4%
$100k – $200k	2.7%	12.5%	17.6%
Over $200k	6.2%	1.7%	4.1%

Demographics & statistics

706

Population

People per sq mi

71.1

Median age

Median household income

$23,230

Per capita income

$145,400

Median home value

Median monthly rent

64.5%

Home ownership

39.5%

Poverty rate

0.0%

Unemployment

303

Housing units

22.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

25–34

45–54

60–64

65–74

142

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	153	21.7%
18 and over	553	78.3%
65 and over	396	56.1%
Median age	71.1 years

Race & ethnicity

White 70.6%

Two or more races 15.3%

Hispanic or Latino 14%

Group	Count	%
White	580	70.6%
Two or more races	126	15.3%
Hispanic or Latino	115	14%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.3%	62.8%	48.8%
$50k – $100k	46.8%	23.0%	29.4%
$100k – $200k	2.7%	12.5%	17.6%
Over $200k	6.2%	1.7%	4.1%

Under $10k 18.5%

$10k–$15k 19.4%

$15k–$25k 7.8%

$35k–$50k 13.4%

$50k–$75k 28.7%

$100k–$150k 12.2%

Range	% of households
Under $10k	18.5%
$10k–$15k	19.4%
$15k–$25k	7.8%
$35k–$50k	13.4%
$50k–$75k	28.7%
$100k–$150k	12.2%
Median income	$0

Housing

Home values

Under $50k 5.1%

$50k–$100k 6.9%

$100k–$150k 44.0%

$150k–$200k 7.4%

$200k–$300k 6.5%

$500k–$1M 30.1%

Housing overview

Metric	Value
Median home value	$145,400
Median rent / month	$0
Owner occupied	64.5%
Renter occupied	35.5%
Vacant	20.6%
Single-family detached	35.5%
Large apartment buildings	0.0%
Mobile homes	64.5%
Median rooms	5.0
Avg household size (owned)	1.71

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	23.0%
1990–1999	16.4%
1980–1989	0.0%
1970–1979	19.4%
1960–1969	23.2%
1950–1959	3.3%
1940–1949	2.6%
1939 or earlier	12.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	25.8%
2 bedrooms	21.1%
3 bedrooms	49.5%
4 bedrooms	3.6%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	19.4%
1 vehicle	1.8%
2 vehicles	57.9%
3 or more	20.9%

Heating fuel

Fuel type	%
Utility gas	7.5%
Electricity	17.0%
Propane / LP gas	68.1%
Wood	7.5%

Households & families

Household type	Count	%
Married-couple family	166	49.6%
Cohabiting couple	18	5.4%
Male householder, no spouse	107	31.9%
Female householder, no spouse	44	13.1%
Households with children under 18	60	17.9%
Households with seniors (65+)	210	62.7%
Average household size	2.11

Marital status

Status	Male	Female
Never married	0.0%	18.3%
Married	68.1%	70.4%
Separated	0.0%	0.0%
Widowed	20.8%	0.0%
Divorced	11.2%	11.3%

Education

Less than 9th grade 8.1%

Some HS, no diploma 0.0%

HS graduate 18.3%

Some college, no degree 36.0%

Associate's degree 15.4%

Bachelor's degree 6.7%

Graduate / professional 15.6%

Metric	%
HS diploma or higher	91.9%
Bachelor's or higher	22.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 100.0%

Occupation

Category	%
Management, business & arts	100.0%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	66.7%
Government	33.3%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 39.5%

Under 18 years 83.0%

18 and over 27.5%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	82.1%
Retirement income	45.4%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	37.0%

Health indicators

Condition	%
Obesity	34.2%
High blood pressure	42.5%
High cholesterol	39.3%
Diabetes	16.3%
Heart disease	10.9%
Stroke	5.2%
Asthma	10.3%
Arthritis	36.4%
Kidney disease	4.8%
Pulmonary disease	10.6%
Cancer	9.8%

Behavior / access	%
Smoking	17.9%
Binge drinking	10.5%
No physical activity	24.6%
Less than 7 hrs sleep	31.4%
Depression	19.5%
Fair or poor health	18.6%
Poor mental health	12.8%
Poor physical health	14.1%
No health insurance	9.9%
Visited doctor (checkup)	72.9%
Visited dentist	61.0%
Cholesterol screening	92.5%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	165	29.8%

Disability	%
Any disability	8.4%
Under 18	0.0%
18–64 years	0.0%
65 and over	14.9%

Health insurance coverage

Type	%
Private insurance	28.6%
Public insurance	93.2%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	553	78.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	706	100.0%
Born in same state	706	100.0%
Born in different state	405	57.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	101	14.3%

Ancestry	Count	%
Arab	78	11%

Technology access

Metric	% of households
Computer access	47.5%
Internet access	80.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 87931

What city is ZIP code 87931 in?

ZIP code 87931 is primarily assigned to Caballo, New Mexico.

What county is ZIP code 87931 in?

ZIP code 87931 falls within Sierra County, New Mexico.

Does ZIP code 87931 have a large retiree population?

82% of households in ZIP code 87931 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 87931 have an older population?

56% of residents in ZIP code 87931 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 87931?

40% of residents in ZIP code 87931 live below the poverty line, above the national average.

Does ZIP code 87931 have a large veteran population?

30% of civilians in ZIP code 87931 are veterans, above the national average of ~7%.

What timezone is ZIP code 87931 in?

ZIP code 87931 observes the MST timezone.