Residential delivery area · Colorado
ZIP Code 81120: Antonito, CO
ZIP code 81120 uses the postal name Antonito, Colorado and lies mostly in Conejos County (92% of its land) with the rest in Rio Arriba County (Census 2020 ZIP-county file). About 1,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $47,546 (Census Bureau, ACS 2020-2024). By Census place, 0% of its land lies in Antonito; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Antonito · its only residential ZIP
- County
- Conejos County (92%); Rio Arriba County (8%)
- Census places
- Antonito
- Micro area
- Alamosa, CO
- House districts
- CO-3 (92%), NM-3 (8%) 119th Congress, by share of land
- State
- Colorado
- Time zone
- Mountain
- Land area
- 893.5 sq mi · 2 people per sq mi
Where is ZIP code 81120?
81120 centers on 37.195°, -106.349° and covers 893.5 square miles of land plus 3.3 of water. It borders 11 ZIP codes: 81140, 81124, 81128, 81129, 81148, 81141, 81154, 81151, 81132, 81147 and more.
The map draws ZIP code areas only. For the streets inside 81120, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 81120 compare with the rest of Conejos County?
| Measure | 81120 | In Conejos County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 1,832 | 3rd of 8 | 286th of 527 |
| Median household income | $48k | 3rd of 3 | 274th of 277 |
| Median home value | $188k | 5th of 5 | 303rd of 311 |
Its median household income is higher than in 12% of U.S. residential ZIP codes, and it is denser than 6% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 81120?
The 2020 Census counted 2,063 people in 81120; the ACS, which samples households over 2020-2024, estimates 1,832. Between the 2010 and 2020 censuses its population fell 9.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,832±299 (90% margin)
- 2020 Census count
- 2,063−9.0% since 2010 (2,267)
- Households
- 887
- Median age
- 51.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 81120?
Of the 1,832 people the ACS estimates in 81120, 12.9% are under 18 and 29.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (60.7%), then White (not Hispanic) (38.7%).
- Under 1812.9%
- 18 to 6457.8%
- 65 and older29.3%
- Hispanic or Latino60.7%
- White, not Hispanic38.7%
- Other or two or more0.5%
- Black, not Hispanic0.1%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 81120 earn?
Median household income is $47,546 (ACS 2020-2024), the 3rd highest of the 3 ranked ZIP codes in Conejos County. It is not measurably different from 2015-2019 ($37,492 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $47,546±$9,840
- Income per person
- $33,271
- Below the poverty line
- 13.7%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 20.9%
- Adjusted gross income per tax return, 2022
- $53,866860 returns; wages 56% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 81120?
- Median home value (owners' estimate)
- $188,200
- Median gross rent
- $813
- Homes owned by their occupants
- 77.8%
- Housing units
- 1,636
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 81120?
35 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services11
- Retail trade5
- Construction4
- Other services (except public administration)4
- Manufacturing3
- Health care and social assistance3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 81120?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 81140 | La Jara | 1,893 | $47k | 12.6 mi |
| 81124 | Capulin | 259 | $89k | 14.7 mi |
| 81128 | Chromo | 34 | $250k+ | 17.0 mi |
| 81129 | Conejos | 118 | – | 19.1 mi |
| 81148 | Romeo | 387 | $46k | 20.1 mi |
| 81141 | Manassa | 1,406 | $60k | 25.2 mi |
| 81154 | South Fork | 1,363 | $77k | 35.0 mi |
| 81151 | Sanford | 1,716 | $43k | 35.2 mi |
| 81132 | Del Norte | 3,252 | $55k | 36.0 mi |
| 81147 | Pagosa Springs | 13,091 | $84k | 41.0 mi |
| 81152 | San Luis | 1,244 | $32k | 52.7 mi |
| 87520 | Chama, NM | 1,148 | $39k | 26.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.