Antonito ZIP Codes — Conejos County, CO

There is one unique ZIP code in Antonito, Colorado and it is 81120. Area code: 719.

ZIP codes

893.53

sq mi land

3.32

sq mi water

719

area code

Antonito, CO ZIP code map

About Antonito, CO

Antonito, Colorado, is a small but charming town located within the vast landscapes of Conejos County. Known for its unique character and rich history, Antonito serves as a gateway to the breathtaking San Luis Valley. The town features a close-knit community and picturesque views that attract visitors seeking a tranquil getaway.

Location & geography

Antonito is situated in southern Colorado, approximately 50 miles north of the New Mexico border and about 77 miles from Alamosa. The surrounding terrain is characterized by its expansive land area of 893.53 square miles, which comprises diverse landscapes, along with a water area of 3.32 square miles. Nearby cities include La Jara, located about 15 miles west, and Conejos, roughly 20 miles north, providing additional regional accessibility.

Community & economy

The character of Antonito revolves around its friendly residents and a laid-back lifestyle that emphasizes community bonds. Historically, the town has been influenced by agriculture and ranching, which remain significant to its economy. Daily life here is relaxed, with local events and gatherings often showcasing the cultural heritage of the region.

Transportation

Antonito is accessible via U.S. Highway 285, which runs north and south, connecting the town to other major routes in the state. The nearest major airport is San Luis Valley Regional Airport, located approximately 60 miles away in Alamosa. Public transportation options are limited, making personal vehicles the primary means of travel in the area.

History

Antonito was founded in the late 1800s, primarily as a railroad town that supported the expansion of the Denver and Rio Grande Western Railroad. The economy historically relied on agriculture and cattle ranching, which shaped the community's development. Notably, the Cumbres and Toltec Scenic Railroad, a popular tourist attraction, runs through the area and celebrates the town's rich railroading heritage.

Did you know?

One surprising fact about Antonito is that it is home to the largest array of adobe structures in the United States, showcasing a unique architectural style. Additionally, the area is known for its vibrant local arts scene, with various festivals celebrating the culture and heritage of the San Luis Valley.

ZIP codes for Antonito, CO (1)

ZIP code	City	County	Map
81120	Antonito	Conejos	View map

Demographics & statistics

2,043

Population

50.2

Median age

$33,988

Median household income

$27,072

Per capita income

$124,400

Median home value

$629

Median monthly rent

74.5%

Home ownership

20.9%

Poverty rate

8.8%

Unemployment

1,404

Housing units

21.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

116

20–24

104

25–34

110

35–44

122

45–54

101

103

55–59

60–64

193

65–74

161

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	271	13.3%
18 and over	1,772	86.7%
65 and over	541	26.5%
Median age	50.2 years

Race & ethnicity

White 55.1%

Hispanic or Latino 20.6%

Two or more races 17.4%

Other race 4.2%

American Indian / Alaska Native 2.7%

Group	Count	%
White	1,417	55.1%
Hispanic or Latino	530	20.6%
Two or more races	448	17.4%
Other race	108	4.2%
American Indian / Alaska Native	70	2.7%

Household income

Under $10k 12.2%

$10k–$15k 6.4%

$15k–$25k 18.2%

$25k–$35k 16.5%

$35k–$50k 14.2%

$50k–$75k 12.7%

$75k–$100k 6.1%

$100k–$150k 5.7%

$150k–$200k 7.1%

$200k+ 1.0%

Range	% of households
Under $10k	12.2%
$10k–$15k	6.4%
$15k–$25k	18.2%
$25k–$35k	16.5%
$35k–$50k	14.2%
$50k–$75k	12.7%
$75k–$100k	6.1%
$100k–$150k	5.7%
$150k–$200k	7.1%
$200k+	1.0%
Median income	$33,988

Housing

Home values

Under $50k 19.0%

$50k–$100k 26.1%

$100k–$150k 13.2%

$150k–$200k 18.4%

$200k–$300k 7.8%

$300k–$500k 11.0%

$500k–$1M 1.8%

$1M+ 2.6%

Housing overview

Metric	Value
Median home value	$124,400
Median rent / month	$629
Owner occupied	74.5%
Renter occupied	25.5%
Vacant	38.0%
Single-family detached	83.0%
Large apartment buildings	0.0%
Mobile homes	11.3%
Median rooms	4.9
Avg household size (owned)	1.95

Year built

Era	%
2020 or later	0.5%
2010–2019	2.3%
2000–2009	12.3%
1990–1999	12.5%
1980–1989	14.8%
1970–1979	11.6%
1960–1969	9.6%
1950–1959	5.8%
1940–1949	6.0%
1939 or earlier	24.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	14.8%
2 bedrooms	30.6%
3 bedrooms	37.6%
4 bedrooms	12.5%
5+ bedrooms	2.9%

Vehicles per household

Vehicles	% of households
No vehicle	9.3%
1 vehicle	25.0%
2 vehicles	37.4%
3 or more	28.2%

Heating fuel

Fuel type	%
Utility gas	33.1%
Electricity	11.7%
Propane / LP gas	23.5%
Fuel oil	0.6%
Wood	28.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	340	32.9%
Cohabiting couple	30	2.9%
Male householder, no spouse	372	36.0%
Female householder, no spouse	292	28.2%
Households with children under 18	189	18.3%
Households with seniors (65+)	425	41.1%
Average household size	1.94

Marital status

Status	Male	Female
Never married	42.5%	30.8%
Married	36.5%	41.6%
Separated	1.6%	2.1%
Widowed	2.3%	15.2%
Divorced	17.2%	10.3%

Education

Less than 9th grade 3.4%

Some HS, no diploma 5.4%

HS graduate 36.7%

Some college, no degree 28.4%

Associate's degree 4.5%

Bachelor's degree 14.2%

Graduate / professional 7.3%

Metric	%
HS diploma or higher	91.2%
Bachelor's or higher	21.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	12.1%
Kindergarten	22	7.9%
Elementary school	136	48.6%
High school	56	20.0%
College / grad school	32	11.4%

Employment

Industry of employment

Construction 18.3%

Education & healthcare 15.9%

Other services 14.4%

Arts, food & hospitality 13.0%

Agriculture & mining 11.4%

Finance & real estate 7.5%

Retail trade 6.4%

Public administration 5.1%

Manufacturing 4.7%

Professional & management 1.3%

Transportation & utilities 1.2%

Information 0.8%

Occupation

Category	%
Management, business & arts	29.7%
Service	12.9%
Sales & office	16.0%
Natural resources & construction	18.3%
Production & transportation	23.1%

Employment type

Type	%
Private sector	78.2%
Government	13.3%
Self-employed	7.2%
Unpaid family workers	1.3%

Commute

Method	%
Drive alone	61.0%
Carpool	18.6%
Public transit	0.0%
Walk	3.0%
Other means	1.2%
Avg commute (minutes)	24.5

Poverty

All people 20.9%

Under 18 years 30.6%

18 and over 19.3%

Married-couple families 13.5%

Female-led households 26.8%

Income support

Source	% of households
Social Security	45.5%
Retirement income	28.6%
Supplemental Security	8.0%
Cash public assistance	1.6%
Food stamps / SNAP	20.8%

Health indicators

Condition	%
High blood pressure	34.2%
High cholesterol	34.7%
Heart disease	8.0%
Stroke	3.9%
Asthma	9.6%
Arthritis	26.5%
Kidney disease	4.3%
Pulmonary disease	6.8%
Cancer	6.2%

Behavior / access	%
Binge drinking	13.9%
No physical activity	29.8%
Less than 7 hrs sleep	29.9%
Fair or poor health	22.2%
Poor mental health	13.5%
Poor physical health	13.9%
No health insurance	27.2%
Visited doctor (checkup)	69.3%
Visited dentist	52.2%
Cholesterol screening	90.0%
Teeth loss	15.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	159	9.0%

Disability	%
Any disability	27.1%
Under 18	10.0%
18–64 years	21.7%
65 and over	47.5%

Health insurance coverage

Type	%
Private insurance	42.8%
Public insurance	61.3%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,987	97.3%
Spanish	133	6.7%
Other Indo-European	133	6.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,019	98.8%
Born in same state	1,987	97.3%
Born in different state	1,448	70.9%
Foreign born	32	1.6%
Naturalized citizen	24	1.2%
Not a US citizen	24	100.0%

Ancestry

Ancestry	Count	%
Italian	149	7.3%
French	100	4.9%
Arab	77	3.8%
English	30	1.5%

Ancestry	Count	%
Dutch	25	1.2%
Polish	10	0.5%
German	8	0.4%

Technology access

Metric	% of households
Computer access	50.6%
Internet access	80.4%

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

Frequently asked questions

What ZIP codes does Antonito, CO have?

Antonito, CO has one ZIP code: 81120. Each ZIP code serves a distinct delivery area within the city and surrounding region.