ZipCodesToGo
Colorado ZIP Codes
Costilla County
Jaroso, CO
81138
81138 ZIP Code — Jaroso, CO
Costilla County, Colorado
ZIP code 81138 is located in
Jaroso ,
Colorado ,
within Costilla County .
It covers approximately 20.10 square miles and serves a population of
39 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 719 .
81138 ZIP code map
View map of 81138
Cities in ZIP code 81138
Below are the cities the US Postal Service accepts for ZIP code 81138. Using any city not on this list may result in mail delivery delays.
Demographics
updated 05/2026
Population
Total population
39
Population density
2 / sq mi
State FIPS
08
County FIPS
023
Geography
Land area
20.10 sq mi
Water area
0.00 sq mi
Latitude
37.0026
Longitude
-105.6236
Timezone
Mountain (MT)
Area code
719
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
100.0%
68.1%
32.5%
$50k – $100k
0.0%
21.8%
31.0%
$100k – $200k
0.0%
6.7%
26.9%
Over $200k
0.0%
3.4%
9.6%
Demographics & statistics
$18,125
Median household income
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 39 100.0%
65 and over 18 46.2%
Median age 64.9 years
Race & ethnicity
Group Count %
Two or more races 23 59%
White 16 41%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
100.0%
68.1%
32.5%
$50k – $100k
0.0%
21.8%
31.0%
$100k – $200k
0.0%
6.7%
26.9%
Over $200k
0.0%
3.4%
9.6%
Range % of households
$10k–$15k 38.2%
$15k–$25k 47.1%
$35k–$50k 14.7%
Median income $18,125
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 52.9%
Renter occupied 47.1%
Vacant 35.8%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 4.3
Avg household size (owned) 1.28
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 30.2%
1940–1949 18.9%
1939 or earlier 50.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 30.2%
2 bedrooms 41.5%
3 bedrooms 28.3%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 47.1%
2 vehicles 38.2%
3 or more 14.7%
Heating fuel
Fuel type %
Utility gas 14.7%
Propane / LP gas 47.1%
Wood 38.2%
Households & families
Household type Count %
Married-couple family 5 14.7%
Cohabiting couple 0 0.0%
Male householder, no spouse 16 47.1%
Female householder, no spouse 13 38.2%
Households with children under 18 0 0.0%
Households with seniors (65+) 18 52.9%
Average household size 1.15
Marital status
Status Male Female
Never married 0.0% 0.0%
Married 23.8% 27.8%
Separated 0.0% 0.0%
Widowed 76.2% 72.2%
Divorced 0.0% 0.0%
Education
Less than 9th grade
41.0%
Some college, no degree
59.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 59.0%
Bachelor's or higher 0.0%
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
Occupation
Category %
Management, business & arts 0.0%
Service 76.2%
Sales & office 0.0%
Natural resources & construction 23.8%
Production & transportation 0.0%
Employment type
Type %
Private sector 100.0%
Government 0.0%
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
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 85.3%
Retirement income 14.7%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 31.8%
High blood pressure 35.7%
High cholesterol 34.3%
Diabetes 14.3%
Heart disease 8.7%
Stroke 4.5%
Asthma 11.1%
Arthritis 29.3%
Kidney disease 4.2%
Pulmonary disease 10.5%
Cancer 6.2%
Behavior / access %
Smoking 25.2%
Binge drinking 15.9%
No physical activity 29.7%
Less than 7 hrs sleep 32.6%
Depression 21.6%
Fair or poor health 23.3%
Poor mental health 16.0%
Poor physical health 16.2%
No health insurance 20.0%
Visited doctor (checkup) 68.1%
Visited dentist 48.1%
Cholesterol screening 88.9%
Teeth loss 20.7%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 41.0%
Under 18 0.0%
18–64 years 76.2%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 59.0%
Public insurance 87.2%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 39 100.0%
Spanish 16 41.0%
Other Indo-European 16 41.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 23 59.0%
Born in same state 23 59.0%
Born in different state 5 12.8%
Foreign born 0 0.0%
Naturalized citizen 16 41.0%
Not a US citizen 0 0.0%
Technology access
Metric % of households
Computer access 87.2%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 81138
What city is ZIP code 81138 in?
ZIP code 81138 is primarily assigned to Jaroso, Colorado.
What county is ZIP code 81138 in?
ZIP code 81138 falls within Costilla County, Colorado.
Does ZIP code 81138 have a large retiree population?
85% of households in ZIP code 81138 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 81138 have an older population?
46% of residents in ZIP code 81138 are 65 or older, above the national average of ~17%.
Is Spanish widely spoken in ZIP code 81138?
Approximately 41% of households in ZIP code 81138 speak Spanish as a primary language.
What is the median household income in ZIP code 81138?
The median household income in ZIP code 81138 is $18,125, below the national median of ~$75,000.
What timezone is ZIP code 81138 in?
ZIP code 81138 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 →