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Antonito, CO ZIP code

The ZIP code for Antonito, Colorado is 81120. It is in Conejos County.

Population in these ZIPs
1,832
Avg. median income
$47,500population-weighted
Typical home value
$224,100population-weighted
Metro area
Alamosa, CO
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ZIP codes within 10 miles

Antonito, CO ZIP code list

Antonito, CO ZIP codes
ZIP codePopulationMedian incomeTypical home value
811201,832$47,546$224,100

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

Cities near Antonito

Frequently asked questions

What is the ZIP code for Antonito, CO?

The ZIP code for Antonito, CO is 81120.

What county is Antonito, Colorado in?

Antonito ZIP codes are in Conejos County.