ZIP code 81120: Antonito, CO
81120 is a ZIP code in Antonito, Colorado, mainly in Conejos County, part of the Alamosa, CO micro area. About 1,832 people live here.
- Population
- 1,832
- Median household income
- $47,546
- Typical home value
- $224,100+2.1% in 12 months
- Median rent
- $813gross, per month
- Median age
- 51.9
- Homeowners
- 77.8%of occupied homes
Shaded: ZIP code 81120's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 81120 details
| City | Antonito |
|---|---|
| State | Colorado |
| County | Conejos County (also partly Rio Arriba County) |
| Metro area | Alamosa, CO |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 893.5 sq mi, plus 3.3 sq mi of water |
| Population density | 2 people per sq mi |
| Bachelor's degree or higher | 20.9% of adults 25+ |
| Average commute | 23.7 minutes |
| Center coordinates | 37.19531, -106.34935 |
Median rent in 81120 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $438/mo |
| 2 bedrooms | $578/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 81120
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 81140 | La Jara, CO | 12.6 mi | 1,893 |
| 81124 | Capulin, CO | 14.7 mi | 259 |
| 81128 | Chromo, CO | 17.0 mi | 34 |
| 81129 | Conejos, CO | 19.1 mi | 118 |
| 81148 | Romeo, CO | 20.1 mi | 387 |
| 81141 | Manassa, CO | 25.2 mi | 1,406 |
| 87520 | Chama, NM | 26.9 mi | 1,148 |
| 81144 | Monte Vista, CO | 27.3 mi | 6,543 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 81120?
A typical home in ZIP code 81120 is worth about $224,100 (Zillow Home Value Index). The median household here earns $47,546 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.
Monthly payment for a $224,100 homeWhat can a $47,546 income afford?Rental property numbers
About ZIP code 81120
What city is ZIP code 81120?
ZIP code 81120 is in Antonito, CO, in Conejos County.
What county is ZIP code 81120 in?
81120 is mainly in Conejos County, Colorado, and partly in Rio Arriba County.
What is the population of ZIP code 81120?
About 1,832 people live in ZIP code 81120, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 81120 in?
81120 is in Mountain Time (UTC−7). It observes daylight saving time.