88042 ZIP Code — Hillsboro, NM

Sierra County, New Mexico

ZIP code 88042 is located in Hillsboro, New Mexico, within Sierra County. It covers approximately 660.60 square miles and serves a population of 327 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 575.

About ZIP code 88042

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $213,300. Owner-occupancy is high at 79%, well above the national average.

The gap between median ($16,096) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 46% of residents, above the national average. 54% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. Remote work is prevalent — 47% of workers work from home.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (18%) compared to national benchmarks.

Overall, ZIP code 88042 reflects a community defined by economic challenges above the national average, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

327

population

660.60

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

88042 ZIP code map

Cities in ZIP code 88042

Below are the cities the US Postal Service accepts for ZIP code 88042. Using any city not on this list may result in mail delivery delays.

City	Status
Hillsboro	Acceptable
Hillsboro	Preferred

Nearby ZIP codes

87931 Caballo (12 mi) 87930 Arrey (12.2 mi) 88049 Mimbres (19.8 mi)

Demographics updated 05/2026

Population
Total population	327
Population density	0 / sq mi
State FIPS	35
County FIPS	051

Geography
Land area	660.60 sq mi
Water area	0.09 sq mi
Latitude	32.8681
Longitude	-107.5850
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	68.4%	62.8%	48.8%
$50k – $100k	5.8%	23.0%	29.4%
$100k – $200k	19.1%	12.5%	17.6%
Over $200k	6.7%	1.7%	4.1%

Demographics & statistics

327

Population

65.1

Median age

$16,096

Median household income

$28,095

Per capita income

$213,300

Median home value

Median monthly rent

79.4%

Home ownership

45.9%

Poverty rate

0.0%

Unemployment

176

Housing units

28.7%

Bachelor's or higher

Age distribution

Male Female

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	327	100.0%
65 and over	166	50.8%
Median age	65.1 years

Race & ethnicity

White 86.5%

Two or more races 13.5%

Group	Count	%
White	283	86.5%
Two or more races	44	13.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	68.4%	62.8%	48.8%
$50k – $100k	5.8%	23.0%	29.4%
$100k – $200k	19.1%	12.5%	17.6%
Over $200k	6.7%	1.7%	4.1%

Under $10k 25.4%

$10k–$15k 11.0%

$15k–$25k 45.0%

$50k–$75k 1.9%

$75k–$100k 6.7%

$200k+ 10.0%

Range	% of households
Under $10k	25.4%
$10k–$15k	11.0%
$15k–$25k	45.0%
$50k–$75k	1.9%
$75k–$100k	6.7%
$200k+	10.0%
Median income	$16,096

Housing

Home values

$100k–$150k 31.9%

$150k–$200k 10.8%

$200k–$300k 27.1%

$300k–$500k 21.7%

$500k–$1M 8.4%

Housing overview

Metric	Value
Median home value	$213,300
Median rent / month	$0
Owner occupied	79.4%
Renter occupied	20.6%
Vacant	4.6%
Single-family detached	75.8%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	3.4
Avg household size (owned)	1.71

Year built

Era	%
2020 or later	0.0%
2010–2019	11.4%
2000–2009	37.0%
1990–1999	0.0%
1980–1989	10.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	24.2%
1939 or earlier	17.4%

Bedrooms

Size	% of units
No bedroom (studio)	21.5%
1 bedroom	30.6%
2 bedrooms	21.0%
3 bedrooms	26.9%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	39.7%
2 vehicles	53.1%
3 or more	7.2%

Heating fuel

Fuel type	%
Electricity	37.3%
Propane / LP gas	62.7%

Households & families

Household type	Count	%
Married-couple family	82	39.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	69	33.0%
Female householder, no spouse	58	27.8%
Households with children under 18	0	0.0%
Households with seniors (65+)	142	67.9%
Average household size	1.56

Marital status

Status	Male	Female
Never married	30.9%	15.8%
Married	46.9%	56.4%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	22.2%	27.8%

Education

Less than 9th grade 10.4%

Some HS, no diploma 13.1%

HS graduate 26.0%

Some college, no degree 17.4%

Associate's degree 4.3%

Bachelor's degree 11.9%

Graduate / professional 16.8%

Metric	%
HS diploma or higher	76.5%
Bachelor's or higher	28.7%

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 46.9%

Retail trade 44.9%

Transportation & utilities 8.2%

Occupation

Category	%
Management, business & arts	53.1%
Service	46.9%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	8.2%
Government	0.0%
Self-employed	91.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	0.0%
Carpool	0.0%
Public transit	0.0%
Walk	53.1%
Work from home	46.9%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 45.9%

Under 18 years 0.0%

18 and over 45.9%

Married-couple families 64.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	53.6%
Retirement income	12.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	12.9%

Health indicators

Condition	%
Obesity	34.3%
High blood pressure	46.4%
High cholesterol	42.4%
Diabetes	17.6%
Heart disease	12.0%
Stroke	5.7%
Asthma	10.3%
Arthritis	40.4%
Kidney disease	5.1%
Pulmonary disease	12.0%
Cancer	10.8%

Behavior / access	%
Smoking	18.3%
Binge drinking	9.2%
No physical activity	25.1%
Less than 7 hrs sleep	31.1%
Depression	19.5%
Fair or poor health	19.6%
Poor mental health	12.2%
Poor physical health	15.2%
No health insurance	7.8%
Visited doctor (checkup)	75.1%
Visited dentist	61.6%
Cholesterol screening	94.7%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	24	7.3%

Disability	%
Any disability	19.0%
Under 18	0.0%
18–64 years	21.1%
65 and over	16.9%

Health insurance coverage

Type	%
Private insurance	30.0%
Public insurance	93.9%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	327	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)	287	87.8%
Born in same state	287	87.8%
Born in different state	79	24.2%
Foreign born	0	0.0%
Naturalized citizen	40	12.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	79	24.2%

Ancestry	Count	%
Italian	77	23.5%

Technology access

Metric	% of households
Computer access	63.9%
Internet access	68.4%

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

Frequently asked questions about ZIP code 88042

What city is ZIP code 88042 in?

ZIP code 88042 is primarily assigned to Hillsboro, New Mexico.

What county is ZIP code 88042 in?

ZIP code 88042 falls within Sierra County, New Mexico.

Does ZIP code 88042 have an older population?

51% of residents in ZIP code 88042 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 88042?

46% of residents in ZIP code 88042 live below the poverty line, above the national average.

Does ZIP code 88042 have a large retiree population?

54% of households in ZIP code 88042 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 88042?

The median household income in ZIP code 88042 is $16,096, below the national median of ~$75,000.

What timezone is ZIP code 88042 in?

ZIP code 88042 observes the MST timezone.