ZipCodesToGo
New Mexico ZIP Codes
Quay County
San Jon, NM
88434
88434 ZIP Code — San Jon, NM
Quay County, New Mexico
ZIP code 88434 is located in
San Jon ,
New Mexico ,
within Quay County .
It covers approximately 244.14 square miles and serves a population of
292 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 575 .
About ZIP code 88434
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $65,600. Owner-occupancy sits near the national average at 67%.
Median household income is $50,192. 65% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with professional and management as the leading industry. The average commute of 13 minutes is near the national average.
College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 88434 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.
88434 ZIP code map
View map of 88434
Cities in ZIP code 88434
Below are the cities the US Postal Service accepts for ZIP code 88434. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
292
Population density
1 / sq mi
State FIPS
35
County FIPS
037
Geography
Land area
244.14 sq mi
Water area
0.05 sq mi
Latitude
35.1306
Longitude
-103.3020
Timezone
Mountain (MT)
Area code
575
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
54.9%
66.3%
48.8%
$50k – $100k
31.3%
21.7%
29.4%
$100k – $200k
10.4%
11.5%
17.6%
Over $200k
3.5%
0.5%
4.1%
Demographics & statistics
$50,192
Median household income
18.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 46 15.8%
18 and over 246 84.2%
65 and over 88 30.1%
Median age 47.3 years
Race & ethnicity
American Indian / Alaska Native
23%
Group Count %
White 194 64.7%
American Indian / Alaska Native 69 23%
Two or more races 21 7%
Hispanic or Latino 8 2.7%
Other race 8 2.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
54.9%
66.3%
48.8%
$50k – $100k
31.3%
21.7%
29.4%
$100k – $200k
10.4%
11.5%
17.6%
Over $200k
3.5%
0.5%
4.1%
Range % of households
Under $10k 3.3%
$10k–$15k 4.1%
$15k–$25k 13.9%
$25k–$35k 13.9%
$35k–$50k 13.9%
$50k–$75k 22.1%
$75k–$100k 9.8%
$100k–$150k 14.8%
$150k–$200k 2.5%
$200k+ 1.6%
Median income $50,192
Housing
Housing overview
Metric Value
Median home value $65,600
Median rent / month $606
Owner occupied 67.2%
Renter occupied 32.8%
Vacant 32.6%
Single-family detached 73.5%
Large apartment buildings 0.0%
Mobile homes 22.1%
Median rooms 5.3
Avg household size (owned) 2.15
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 3.3%
1990–1999 15.5%
1980–1989 14.4%
1970–1979 16.6%
1960–1969 9.9%
1950–1959 19.9%
1940–1949 8.8%
1939 or earlier 11.6%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 5.0%
2 bedrooms 35.9%
3 bedrooms 51.9%
4 bedrooms 6.1%
5+ bedrooms 1.1%
Vehicles per household
Vehicles % of households
No vehicle 2.5%
1 vehicle 36.9%
2 vehicles 43.4%
3 or more 17.2%
Heating fuel
Fuel type %
Utility gas 8.2%
Electricity 33.6%
Propane / LP gas 52.5%
Wood 4.1%
Households & families
Household type Count %
Married-couple family 56 45.9%
Cohabiting couple 0 0.0%
Male householder, no spouse 31 25.4%
Female householder, no spouse 35 28.7%
Households with children under 18 20 16.4%
Households with seniors (65+) 64 52.5%
Average household size 2.39
Marital status
Status Male Female
Never married 41.9% 14.2%
Married 36.1% 52.8%
Separated 1.9% 0.0%
Widowed 7.1% 25.5%
Divorced 12.9% 7.5%
Education
Some college, no degree
44.4%
Graduate / professional
4.2%
Metric %
HS diploma or higher 91.2%
Bachelor's or higher 18.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 3 6.5%
Elementary school 25 54.3%
High school 15 32.6%
College / grad school 3 6.5%
Employment
Industry of employment
Professional & management
37.0%
Public administration
25.9%
Agriculture & mining
7.4%
Education & healthcare
6.7%
Transportation & utilities
5.2%
Arts, food & hospitality
3.0%
Occupation
Category %
Management, business & arts 17.0%
Service 20.0%
Sales & office 49.6%
Natural resources & construction 1.5%
Production & transportation 11.9%
Employment type
Type %
Private sector 28.1%
Government 63.7%
Self-employed 5.9%
Unpaid family workers 2.2%
Commute
Method %
Drive alone 53.3%
Carpool 0.0%
Public transit 0.0%
Walk 42.2%
Work from home 0.0%
Other means 4.4%
Avg commute (minutes) 12.5
Poverty
Married-couple families
8.9%
Female-led households
11.1%
Income support
Source % of households
Social Security 64.8%
Retirement income 41.8%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 4.9%
Health indicators
Condition %
Obesity 28.4%
High blood pressure 37.5%
High cholesterol 35.4%
Diabetes 12.4%
Heart disease 7.8%
Stroke 3.7%
Asthma 9.7%
Arthritis 29.0%
Kidney disease 3.6%
Pulmonary disease 7.3%
Cancer 8.0%
Behavior / access %
Smoking 16.8%
Binge drinking 12.6%
No physical activity 21.7%
Less than 7 hrs sleep 30.5%
Depression 18.9%
Fair or poor health 14.8%
Poor mental health 12.9%
Poor physical health 11.4%
No health insurance 9.8%
Visited doctor (checkup) 70.8%
Visited dentist 64.1%
Cholesterol screening 90.9%
Teeth loss 13.0%
Veterans & disability
Veterans Count %
Civilian veterans 22 8.9%
Disability %
Any disability 18.5%
Under 18 13.0%
18–64 years 7.6%
65 and over 40.9%
Health insurance coverage
Type %
Private insurance 74.3%
Public insurance 49.0%
No insurance 3.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 286 97.9%
Spanish 8 2.8%
Other Indo-European 5 1.7%
Asian & Pacific Islander 3 1.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 292 100.0%
Born in same state 292 100.0%
Born in different state 193 66.1%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 30 10.3%
Italian 23 7.9%
Ancestry Count %
Arab 18 6.2%
Polish 1 0.3%
Technology access
Metric % of households
Computer access 41.8%
Internet access 69.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 88434
What city is ZIP code 88434 in?
ZIP code 88434 is primarily assigned to San Jon, New Mexico.
What county is ZIP code 88434 in?
ZIP code 88434 falls within Quay County, New Mexico.
Does ZIP code 88434 have a large retiree population?
65% of households in ZIP code 88434 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 88434 have an older population?
30% of residents in ZIP code 88434 are 65 or older, above the national average of ~17%.
What is the typical home value in ZIP code 88434?
The median home value in ZIP code 88434 is $65,600.
What is the population of ZIP code 88434?
ZIP code 88434 has an estimated population of 292 residents, with a density of 1 people per square mile.
What timezone is ZIP code 88434 in?
ZIP code 88434 observes the MST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →