81151 ZIP Code — Sanford, CO

Conejos County, Colorado

ZIP code 81151 is located in Sanford, Colorado, within Conejos County. It covers approximately 293.07 square miles and serves a population of 1,708 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 719.

About ZIP code 81151

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $152,400. Owner-occupancy is high at 81%, well above the national average.

Median household income is $42,292. 45% 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 29 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 81151 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

1,708
population
293.07
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
81151 ZIP code map
Cities in ZIP code 81151

Below are the cities the US Postal Service accepts for ZIP code 81151. Using any city not on this list may result in mail delivery delays.

City Status
Sanford Acceptable
Sanford Preferred
Nearby ZIP codes
81152 San Luis (12.6 mi) 81123 Blanca (15.6 mi) 81101 Alamosa (16.4 mi) 81140 La Jara (17.5 mi) 81102 Alamosa (18.8 mi)
Demographics updated 05/2026
Population
Total population 1,708
Population density 6 / sq mi
State FIPS 08
County FIPS 021
Geography
Land area 293.07 sq mi
Water area 0.23 sq mi
Latitude 37.2178
Longitude -105.7527
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 54.5% 65.9% 32.5%
$50k – $100k 38.7% 25.6% 31.0%
$100k – $200k 5.5% 7.3% 26.9%
Over $200k 1.3% 1.1% 9.6%

Demographics & statistics

1,708
Population
6
People per sq mi
38.0
Median age
$42,292
Median household income
$23,027
Per capita income
$152,400
Median home value
$728
Median monthly rent
81.0%
Home ownership
8.4%
Poverty rate
5.6%
Unemployment
664
Housing units
27.4%
Bachelor's or higher

Age distribution

Male Female
52
Under 5
54
52
5–9
53
94
10–14
98
61
15–19
63
68
20–24
71
58
25–34
60
83
35–44
86
99
45–54
103
51
55–59
53
45
60–64
46
122
65–74
127
47
75–84
48
7
85+
7
← Male
Female →

Age summary

GroupCount%
Under 1850729.7%
18 and over1,20170.3%
65 and over35821.0%
Median age38.0 years

Race & ethnicity

White 54.4%
Hispanic or Latino 21%
Two or more races 19%
Other race 4.2%
American Indian / Alaska Native 1.5%
GroupCount%
White1,17654.4%
Hispanic or Latino45421%
Two or more races41019%
Other race904.2%
American Indian / Alaska Native321.5%

Household income

Income range This ZIP County avg State avg
Under $50k 54.5% 65.9% 32.5%
$50k – $100k 38.7% 25.6% 31.0%
$100k – $200k 5.5% 7.3% 26.9%
Over $200k 1.3% 1.1% 9.6%
Under $10k 0.7%
$10k–$15k 9.0%
$15k–$25k 9.0%
$25k–$35k 11.6%
$35k–$50k 23.3%
$50k–$75k 21.2%
$75k–$100k 10.6%
$100k–$150k 11.6%
$150k–$200k 1.9%
$200k+ 1.0%
Range% of households
Under $10k0.7%
$10k–$15k9.0%
$15k–$25k9.0%
$25k–$35k11.6%
$35k–$50k23.3%
$50k–$75k21.2%
$75k–$100k10.6%
$100k–$150k11.6%
$150k–$200k1.9%
$200k+1.0%
Median income$42,292

Housing

Home values

Under $50k 14.9%
$50k–$100k 11.3%
$100k–$150k 23.2%
$150k–$200k 26.6%
$200k–$300k 15.8%
$300k–$500k 6.3%
$500k–$1M 2.0%

Housing overview

MetricValue
Median home value$152,400
Median rent / month$728
Owner occupied81.0%
Renter occupied19.0%
Vacant13.5%
Single-family detached77.0%
Large apartment buildings0.0%
Mobile homes17.9%
Median rooms5.3
Avg household size (owned)2.57

Year built

Era%
2020 or later0.0%
2010–20190.8%
2000–20099.3%
1990–199921.3%
1980–198920.3%
1970–19799.7%
1960–19696.0%
1950–19593.1%
1940–19492.9%
1939 or earlier26.7%

Bedrooms

Size% of units
No bedroom (studio)2.1%
1 bedroom7.4%
2 bedrooms19.5%
3 bedrooms50.2%
4 bedrooms16.2%
5+ bedrooms4.5%

Vehicles per household

Vehicles% of households
No vehicle2.2%
1 vehicle27.9%
2 vehicles38.8%
3 or more31.1%

Heating fuel

Fuel type%
Utility gas42.2%
Electricity15.7%
Propane / LP gas15.1%
Fuel oil0.9%
Wood22.4%
Solar1.9%

Households & families

Household typeCount%
Married-couple family36152.5%
Cohabiting couple243.5%
Male householder, no spouse13419.5%
Female householder, no spouse16924.6%
Households with children under 1819528.3%
Households with seniors (65+)30143.8%
Average household size2.48

Marital status

StatusMaleFemale
Never married25.3%19.4%
Married57.0%55.7%
Separated0.0%1.2%
Widowed1.4%4.9%
Divorced16.2%18.9%

Education

Less than 9th grade 1.6%
Some HS, no diploma 5.2%
HS graduate 26.1%
Some college, no degree 23.6%
Associate's degree 16.0%
Bachelor's degree 22.0%
Graduate / professional 5.5%
Metric%
HS diploma or higher93.2%
Bachelor's or higher27.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool51.1%
Kindergarten306.7%
Elementary school24654.5%
High school13529.9%
College / grad school357.8%

Employment

Industry of employment

Education & healthcare 32.2%
Professional & management 17.0%
Retail trade 10.6%
Public administration 7.3%
Transportation & utilities 6.9%
Construction 6.0%
Agriculture & mining 5.7%
Arts, food & hospitality 5.6%
Wholesale trade 3.4%
Finance & real estate 2.9%
Information 1.9%
Other services 0.4%

Occupation

Category%
Management, business & arts43.9%
Service9.5%
Sales & office26.8%
Natural resources & construction14.1%
Production & transportation5.6%

Employment type

Type%
Private sector59.5%
Government31.0%
Self-employed5.3%
Unpaid family workers4.2%

Commute

Method%
Drive alone59.8%
Carpool15.0%
Public transit0.0%
Walk3.7%
Work from home21.5%
Other means0.0%
Avg commute (minutes)29.3

Poverty

All people 8.4%
Under 18 years 4.5%
18 and over 10.1%
Married-couple families 4.7%
Female-led households 0.0%

Income support

Source% of households
Social Security45.2%
Retirement income18.0%
Supplemental Security6.4%
Cash public assistance1.2%
Food stamps / SNAP10.9%

Health indicators

Condition%
Obesity29.3%
High blood pressure30.9%
High cholesterol32.8%
Diabetes11.7%
Heart disease7.0%
Stroke3.5%
Asthma10.2%
Arthritis25.2%
Kidney disease3.5%
Pulmonary disease7.4%
Cancer6.2%
Behavior / access%
Smoking17.5%
Binge drinking16.8%
No physical activity23.6%
Less than 7 hrs sleep29.9%
Depression19.9%
Fair or poor health16.9%
Poor mental health14.8%
Poor physical health12.1%
No health insurance18.7%
Visited doctor (checkup)67.3%
Visited dentist56.0%
Cholesterol screening88.3%
Teeth loss15.5%

Veterans & disability

VeteransCount%
Civilian veterans1058.7%
Disability%
Any disability12.9%
Under 180.0%
18–64 years9.5%
65 and over39.4%

Health insurance coverage

Type%
Private insurance49.1%
Public insurance51.7%
No insurance14.9%
Uninsured under 1915.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,60293.8%
Spanish18411.5%
Other Indo-European18411.5%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,66497.4%
Born in same state1,65697.0%
Born in different state1,16768.3%
Foreign born80.5%
Naturalized citizen442.6%
Not a US citizen00.0%

Ancestry

AncestryCount%
French28316.6%
Italian17010%
Dutch1357.9%
Arab855%
AncestryCount%
English181.1%
Irish110.6%
Polish110.6%

Technology access

Metric% of households
Computer access40.3%
Internet access91.6%

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

Frequently asked questions about ZIP code 81151

What city is ZIP code 81151 in?

ZIP code 81151 is primarily assigned to Sanford, Colorado.

What county is ZIP code 81151 in?

ZIP code 81151 falls within Conejos County, Colorado.

Does ZIP code 81151 have a large retiree population?

45% of households in ZIP code 81151 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 81151 mostly owner-occupied?

81% of occupied units in ZIP code 81151 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 81151?

The median home value in ZIP code 81151 is $152,400.

What is the median household income in ZIP code 81151?

The median household income in ZIP code 81151 is $42,292, below the national median of ~$75,000.

What timezone is ZIP code 81151 in?

ZIP code 81151 observes the MST timezone.

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