87939 ZIP Code — Monticello, NM

Sierra County, New Mexico

ZIP code 87939 is located in Monticello, New Mexico, within Sierra County. It covers approximately 232.93 square miles and serves a population of 267 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 575.

About ZIP code 87939

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $372,900.

The gap between median ($111,004) and mean household income suggests income inequality — a small number of higher earners pull the average up. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. Remote work is prevalent — 75% of workers work from home.

Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (17%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 19% of civilians, above the national average of 7%.

Overall, ZIP code 87939 reflects a community defined by a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

267

population

232.93

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

87939 ZIP code map

Cities in ZIP code 87939

Below are the cities the US Postal Service accepts for ZIP code 87939. Using any city not on this list may result in mail delivery delays.

City	Status
Monticello	Preferred

Nearby ZIP codes

87942 Williamsburg (16.2 mi) 87943 Winston (16.9 mi)

Demographics updated 05/2026

Population
Total population	267
Population density	1 / sq mi
State FIPS	35
County FIPS	051

Geography
Land area	232.93 sq mi
Water area	0.00 sq mi
Latitude	33.3869
Longitude	-107.4720
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	70.0%	62.8%	48.8%
$50k – $100k	0.0%	23.0%	29.4%
$100k – $200k	0.0%	12.5%	17.6%
Over $200k	30.0%	1.7%	4.1%

Demographics & statistics

267

Population

People per sq mi

63.1

Median age

$111,004

Median household income

$66,145

Per capita income

$372,900

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

200

Housing units

40.3%

Bachelor's or higher

Age distribution

Male Female

15–19

112

60–64

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	56	21.0%
18 and over	211	79.0%
65 and over	16	6.0%
Median age	63.1 years

Race & ethnicity

White 100%

Group	Count	%
White	267	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	70.0%	62.8%	48.8%
$50k – $100k	0.0%	23.0%	29.4%
$100k – $200k	0.0%	12.5%	17.6%
Over $200k	30.0%	1.7%	4.1%

$35k–$50k 32.0%

$100k–$150k 44.8%

$200k+ 23.2%

Range	% of households
$35k–$50k	32.0%
$100k–$150k	44.8%
$200k+	23.2%
Median income	$111,004

Housing

Home values

$50k–$100k 12.8%

$200k–$300k 23.2%

$300k–$500k 19.2%

$500k–$1M 44.8%

Housing overview

Metric	Value
Median home value	$372,900
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	37.5%
Single-family detached	77.0%
Large apartment buildings	0.0%
Mobile homes	23.0%
Median rooms	5.3
Avg household size (owned)	2.14

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	11.0%
1990–1999	33.5%
1980–1989	26.5%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	17.0%
1940–1949	0.0%
1939 or earlier	12.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.0%
2 bedrooms	62.5%
3 bedrooms	29.5%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	12.8%
2 vehicles	68.0%
3 or more	19.2%

Heating fuel

Fuel type	%
Electricity	76.8%
Propane / LP gas	23.2%

Households & families

Household type	Count	%
Married-couple family	80	64.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	45	36.0%
Households with children under 18	29	23.2%
Households with seniors (65+)	16	12.8%
Average household size	2.14

Marital status

Status	Male	Female
Never married	36.6%	25.4%
Married	63.4%	60.5%
Separated	0.0%	0.0%
Widowed	0.0%	14.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 0.0%

Some college, no degree 48.3%

Associate's degree 11.4%

Bachelor's degree 0.0%

Graduate / professional 40.3%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	40.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	56	100.0%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 69.1%

Manufacturing 30.9%

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	30.9%
Government	0.0%
Self-employed	69.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	25.5%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	74.5%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.0%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	34.5%
High blood pressure	43.3%
High cholesterol	39.9%
Diabetes	16.5%
Heart disease	11.1%
Stroke	5.2%
Asthma	10.3%
Arthritis	37.2%
Kidney disease	4.9%
Pulmonary disease	10.7%
Cancer	9.9%

Behavior / access	%
Smoking	18.0%
Binge drinking	10.1%
No physical activity	24.7%
Less than 7 hrs sleep	31.3%
Depression	19.5%
Fair or poor health	18.8%
Poor mental health	12.6%
Poor physical health	14.4%
No health insurance	8.5%
Visited doctor (checkup)	73.6%
Visited dentist	61.5%
Cholesterol screening	93.4%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	41	19.4%

Disability	%
Any disability	16.9%
Under 18	0.0%
18–64 years	14.9%
65 and over	100.0%

Health insurance coverage

Type	%
Private insurance	94.0%
Public insurance	21.3%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	267	100.0%
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)	211	79.0%
Born in same state	211	79.0%
Born in different state	53	19.9%
Foreign born	0	0.0%
Naturalized citizen	56	21.0%
Not a US citizen	56	100.0%

Ancestry

Ancestry	Count	%
Italian	109	40.8%

Technology access

Metric	% of households
Computer access	46.8%
Internet access	100.0%

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

Frequently asked questions about ZIP code 87939

What city is ZIP code 87939 in?

ZIP code 87939 is primarily assigned to Monticello, New Mexico.

What county is ZIP code 87939 in?

ZIP code 87939 falls within Sierra County, New Mexico.

Does ZIP code 87939 have a large veteran population?

19% of civilians in ZIP code 87939 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 87939?

The median home value in ZIP code 87939 is $372,900.

What is the median household income in ZIP code 87939?

The median household income in ZIP code 87939 is $111,004, above the national median of ~$75,000.

What is the population of ZIP code 87939?

ZIP code 87939 has an estimated population of 267 residents, with a density of 1 people per square mile.

What timezone is ZIP code 87939 in?

ZIP code 87939 observes the MST timezone.