87730 ZIP Code — Mills, NM

Harding County, New Mexico

ZIP code 87730 is located in Mills, New Mexico, within Harding County. It covers approximately 307.57 square miles and serves a population of 14 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 575.

population

307.57

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

87730 ZIP code map

Cities in ZIP code 87730

Below are the cities the US Postal Service accepts for ZIP code 87730. Using any city not on this list may result in mail delivery delays.

City	Status
Mills	Preferred

Nearby ZIP codes

87743 Roy (16.7 mi) 87746 Solano (19.2 mi)

Demographics updated 06/2026

Population
Total population	14
Population density	0 / sq mi
State FIPS	35
County FIPS	021

Geography
Land area	307.57 sq mi
Water area	0.12 sq mi
Latitude	36.1243
Longitude	-104.2865
Timezone	Mountain (MT)
Area code	575

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	83.3%	60.4%	48.8%
$50k – $100k	0.0%	23.1%	29.4%
$100k – $200k	16.7%	9.3%	17.6%
Over $200k	0.0%	7.1%	4.1%

Demographics & statistics

Population

67.3

Median age

$250,001

Median household income

$223,207

Per capita income

Median home value

Median monthly rent

100.0%

Home ownership

7.1%

Poverty rate

0.0%

Unemployment

Housing units

71.4%

Bachelor's or higher

Age distribution

Male Female

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	14	100.0%
65 and over	12	85.7%
Median age	67.3 years

Race & ethnicity

White 75%

Hispanic or Latino 12.5%

Two or more races 12.5%

Group	Count	%
White	12	75%
Hispanic or Latino	2	12.5%
Two or more races	2	12.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	83.3%	60.4%	48.8%
$50k – $100k	0.0%	23.1%	29.4%
$100k – $200k	16.7%	9.3%	17.6%
Over $200k	0.0%	7.1%	4.1%

$15k–$25k 14.3%

$50k–$75k 14.3%

$100k–$150k 14.3%

$200k+ 57.1%

Range	% of households
$15k–$25k	14.3%
$50k–$75k	14.3%
$100k–$150k	14.3%
$200k+	57.1%
Median income	$250,001

Housing

Home values

Under $50k 14.3%

$50k–$100k 28.6%

$100k–$150k 14.3%

$150k–$200k 14.3%

$500k–$1M 28.6%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	53.3%
Single-family detached	93.3%
Large apartment buildings	0.0%
Mobile homes	6.7%
Median rooms	6.3
Avg household size (owned)	2.00

Year built

Era	%
2020 or later	0.0%
2010–2019	13.3%
2000–2009	0.0%
1990–1999	13.3%
1980–1989	6.7%
1970–1979	0.0%
1960–1969	26.7%
1950–1959	0.0%
1940–1949	20.0%
1939 or earlier	20.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	6.7%
3 bedrooms	73.3%
4 bedrooms	20.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	14.3%
3 or more	85.7%

Heating fuel

Fuel type	%
Electricity	14.3%
Propane / LP gas	71.4%
Wood	14.3%

Households & families

Household type	Count	%
Married-couple family	4	57.1%
Cohabiting couple	2	28.6%
Male householder, no spouse	0	0.0%
Female householder, no spouse	1	14.3%
Households with children under 18	0	0.0%
Households with seniors (65+)	7	100.0%
Average household size	2.00

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	66.7%	75.0%
Separated	0.0%	0.0%
Widowed	0.0%	25.0%
Divorced	33.3%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 21.4%

Some college, no degree 0.0%

Associate's degree 7.1%

Bachelor's degree 35.7%

Graduate / professional 35.7%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	71.4%

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

Agriculture & mining 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	0.0%
Government	0.0%
Self-employed	100.0%
Unpaid family workers	0.0%

Commute

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

Poverty

All people 7.1%

Under 18 years 0.0%

18 and over 7.1%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	100.0%
Retirement income	85.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1	7.1%

Disability	%
Any disability	21.4%
Under 18	0.0%
18–64 years	0.0%
65 and over	25.0%

Health insurance coverage

Type	%
Private insurance	92.9%
Public insurance	85.7%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14	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)	14	100.0%
Born in same state	14	100.0%
Born in different state	7	50.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	2	14.3%

Ancestry	Count	%
German	1	7.1%

Technology access

Metric	% of households
Computer access	50.0%
Internet access	100.0%

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

Frequently asked questions about ZIP code 87730

What city is ZIP code 87730 in?

ZIP code 87730 is primarily assigned to Mills, New Mexico.

What county is ZIP code 87730 in?

ZIP code 87730 falls within Harding County, New Mexico.

Does ZIP code 87730 have an older population?

86% of residents in ZIP code 87730 are 65 or older, above the national average of ~17%.

Does ZIP code 87730 have a large retiree population?

100% of households in ZIP code 87730 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 87730?

71% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 87730?

The median household income in ZIP code 87730 is $250,001, above the national median of ~$75,000.

What timezone is ZIP code 87730 in?

ZIP code 87730 observes the MST timezone.