81120 ZIP Code Profile, Map, Data & Demographics

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ZIP Code 81120: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Antonito, CO 81120

Not Acceptable, USPS
Espinoza, CO 81120
Florida, CO 81120
Fox Creek, CO 81120
La Isla, CO 81120
Las Mesitas, CO 81120
Lobatos, CO 81120
Los Pinas, CO 81120
Mogote, CO 81120
Ortiz, CO 81120
Paisaje, CO 81120
San Antonio, CO 81120
San Miguel, CO 81120
San Rafeal, CO 81120
Track City, CO 81120

  • ZIP Code Type: STANDARD
  • County: Conejos County
  • Centroid: Latitude 37.073, Longitude -106.247
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 55
  • PO Box Addresses: 532
  • Residential Addresses: 551
    • Multi-Family Addresses: 0
    • Single Family Addresses: 551

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

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Antonito, CO 81120 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 1,832 (100%)
Population Density 2 per sq mi
Diversity Index1 48
 
 

INCOME

Median Household Income $47,546
Per Capita Income $33,271
Median Home Value $188,200
 

HOUSING

Total HU (Housing Units) 1,636 (100%)
Owner Occupied HU 690 (42.2%)
Renter Occupied HU 197 (12.0%)
Vacant Housing Units 749 (45.8%)
 

HOUSEHOLDS

Total Households 887
Average Household Size 2.04
Family Households 454 (51.2%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Antonito, CO 81120 - Peer Comparisons by Rank and Percentile

The table below compares 81120 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 19209 43rd
Population Density # 31728 6th
Median Household Income # 29846 12th
Per Capita Income # 20905 38th
Diversity Index # 8574 75th

Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.


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