81152 ZIP Code — San Luis, CO

Costilla County, Colorado

ZIP code 81152 is located in San Luis, Colorado, within Costilla County. It covers approximately 480.98 square miles and serves a population of 1,187 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 719.

About ZIP code 81152

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $129,300. Owner-occupancy sits near the national average at 68%.

Median household income is $29,625. Poverty affects 22% of residents, above the national average. SNAP benefit usage at 36% of households reflects economic stress in the area. 52% 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. The average commute of 28 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (20%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 28%.

Overall, ZIP code 81152 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,187

population

480.98

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

81152 ZIP code map

Cities in ZIP code 81152

Below are the cities the US Postal Service accepts for ZIP code 81152. Using any city not on this list may result in mail delivery delays.

City	Status
San Luis	Acceptable
San Luis	Preferred

Nearby ZIP codes

81151 Sanford (12.6 mi)

Demographics updated 05/2026

Population
Total population	1,187
Population density	2 / sq mi
State FIPS	08
County FIPS	023

Geography
Land area	480.98 sq mi
Water area	1.96 sq mi
Latitude	37.0986
Longitude	-105.5804
Timezone	Mountain (MT)
Area code	719

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	78.0%	68.1%	32.5%
$50k – $100k	16.3%	21.8%	31.0%
$100k – $200k	5.7%	6.7%	26.9%
Over $200k	0.0%	3.4%	9.6%

Demographics & statistics

1,187

Population

People per sq mi

54.0

Median age

$29,625

Median household income

$24,163

Per capita income

$129,300

Median home value

$673

Median monthly rent

67.6%

Home ownership

21.7%

Poverty rate

7.9%

Unemployment

698

Housing units

18.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	193	16.3%
18 and over	994	83.7%
65 and over	311	26.2%
Median age	54.0 years

Race & ethnicity

White 48.6%

Hispanic or Latino 21.7%

Two or more races 19%

Other race 6.7%

American Indian / Alaska Native 2.8%

Black or African American 0.7%

Asian 0.5%

Group	Count	%
White	737	48.6%
Hispanic or Latino	329	21.7%
Two or more races	288	19%
Other race	101	6.7%
American Indian / Alaska Native	43	2.8%
Black or African American	10	0.7%
Asian	8	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	78.0%	68.1%	32.5%
$50k – $100k	16.3%	21.8%	31.0%
$100k – $200k	5.7%	6.7%	26.9%
Over $200k	0.0%	3.4%	9.6%

Under $10k 11.4%

$10k–$15k 16.8%

$15k–$25k 8.6%

$25k–$35k 21.0%

$35k–$50k 7.4%

$50k–$75k 15.1%

$75k–$100k 8.4%

$100k–$150k 7.6%

$200k+ 3.7%

Range	% of households
Under $10k	11.4%
$10k–$15k	16.8%
$15k–$25k	8.6%
$25k–$35k	21.0%
$35k–$50k	7.4%
$50k–$75k	15.1%
$75k–$100k	8.4%
$100k–$150k	7.6%
$200k+	3.7%
Median income	$29,625

Housing

Home values

Under $50k 20.7%

$50k–$100k 11.8%

$100k–$150k 33.9%

$150k–$200k 8.3%

$200k–$300k 14.9%

$300k–$500k 5.2%

$500k–$1M 5.2%

Housing overview

Metric	Value
Median home value	$129,300
Median rent / month	$673
Owner occupied	67.6%
Renter occupied	32.4%
Vacant	38.4%
Single-family detached	68.2%
Large apartment buildings	0.2%
Mobile homes	22.7%
Median rooms	5.0
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.0%
2010–2019	2.2%
2000–2009	9.6%
1990–1999	12.4%
1980–1989	17.3%
1970–1979	19.8%
1960–1969	0.7%
1950–1959	2.4%
1940–1949	10.8%
1939 or earlier	24.8%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	11.5%
2 bedrooms	32.9%
3 bedrooms	37.3%
4 bedrooms	13.1%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	25.3%
2 vehicles	48.6%
3 or more	19.4%

Heating fuel

Fuel type	%
Utility gas	6.7%
Electricity	16.4%
Propane / LP gas	33.5%
Fuel oil	10.6%
Wood	26.3%

Households & families

Household type	Count	%
Married-couple family	198	36.9%
Cohabiting couple	25	4.7%
Male householder, no spouse	182	33.9%
Female householder, no spouse	132	24.6%
Households with children under 18	88	16.4%
Households with seniors (65+)	240	44.7%
Average household size	2.18

Marital status

Status	Male	Female
Never married	33.5%	14.3%
Married	37.5%	52.3%
Separated	3.4%	5.6%
Widowed	5.7%	16.4%
Divorced	19.9%	11.4%

Education

Less than 9th grade 5.7%

Some HS, no diploma 7.5%

HS graduate 34.4%

Some college, no degree 28.5%

Associate's degree 5.7%

Bachelor's degree 15.1%

Graduate / professional 3.1%

Metric	%
HS diploma or higher	86.8%
Bachelor's or higher	18.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	5.7%
Kindergarten	10	5.7%
Elementary school	92	52.9%
High school	34	19.5%
College / grad school	28	16.1%

Employment

Industry of employment

Education & healthcare 33.3%

Public administration 13.3%

Arts, food & hospitality 11.9%

Retail trade 9.9%

Professional & management 8.5%

Construction 7.9%

Transportation & utilities 4.5%

Other services 3.1%

Manufacturing 2.5%

Agriculture & mining 1.8%

Information 1.8%

Wholesale trade 1.6%

Occupation

Category	%
Management, business & arts	35.7%
Service	13.5%
Sales & office	30.6%
Natural resources & construction	9.2%
Production & transportation	11.0%

Employment type

Type	%
Private sector	52.8%
Government	43.1%
Self-employed	4.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	55.1%
Carpool	30.0%
Public transit	0.0%
Walk	11.4%
Work from home	3.5%
Other means	0.0%
Avg commute (minutes)	28.3

Poverty

All people 21.7%

Under 18 years 32.6%

18 and over 19.6%

Married-couple families 8.1%

Female-led households 17.6%

Income support

Source	% of households
Social Security	51.6%
Retirement income	26.4%
Supplemental Security	14.0%
Cash public assistance	6.5%
Food stamps / SNAP	35.9%

Health indicators

Condition	%
Obesity	32.6%
High blood pressure	38.9%
High cholesterol	37.8%
Diabetes	20.1%
Heart disease	10.1%
Stroke	5.1%
Asthma	10.1%
Arthritis	30.7%
Kidney disease	5.4%
Pulmonary disease	8.9%
Cancer	6.9%

Behavior / access	%
Smoking	17.2%
Binge drinking	12.4%
No physical activity	35.2%
Less than 7 hrs sleep	30.2%
Depression	17.5%
Fair or poor health	27.5%
Poor mental health	13.7%
Poor physical health	16.7%
No health insurance	29.3%
Visited doctor (checkup)	72.2%
Visited dentist	48.1%
Cholesterol screening	90.5%
Teeth loss	18.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	78	7.8%

Disability	%
Any disability	27.7%
Under 18	0.0%
18–64 years	23.3%
65 and over	54.3%

Health insurance coverage

Type	%
Private insurance	39.1%
Public insurance	69.3%
No insurance	9.1%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,134	95.5%
Spanish	145	12.8%
Other Indo-European	138	12.2%
Asian & Pacific Islander	0	0.0%
Other languages	7	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,141	96.1%
Born in same state	1,141	96.1%
Born in different state	810	68.2%
Foreign born	0	0.0%
Naturalized citizen	46	3.9%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	93	7.8%
French	69	5.8%
Arab	57	4.8%

Ancestry	Count	%
German	8	0.7%
Polish	6	0.5%
English	5	0.4%

Technology access

Metric	% of households
Computer access	45.2%
Internet access	87.2%

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

Frequently asked questions about ZIP code 81152

What city is ZIP code 81152 in?

ZIP code 81152 is primarily assigned to San Luis, Colorado.

What county is ZIP code 81152 in?

ZIP code 81152 falls within Costilla County, Colorado.

Does ZIP code 81152 have a large retiree population?

52% of households in ZIP code 81152 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 81152 have an older population?

26% of residents in ZIP code 81152 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 81152?

22% of residents in ZIP code 81152 live below the poverty line, above the national average.

What is the typical home value in ZIP code 81152?

The median home value in ZIP code 81152 is $129,300.

What timezone is ZIP code 81152 in?

ZIP code 81152 observes the MST timezone.