Residential delivery area · Colorado
ZIP Code 81123: Blanca, CO
ZIP code 81123 uses the postal name Blanca, Colorado and lies entirely in Costilla County (Census 2020 ZIP-county file). About 610 people live there (Census Bureau, ACS 2020-2024). Median household income is $36,487 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Blanca; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Blanca · its only residential ZIP
- County
- Costilla County
- Census places
- Blanca
- Micro area
- Alamosa, CO
- House district
- CO-3 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 145.7 sq mi · 4 people per sq mi
Where is ZIP code 81123?
81123 centers on 37.411°, -105.566° and covers 145.7 square miles of land plus 1.1 of water. It borders 4 ZIP codes: 81133, 81151, 81101, 81146.
The map draws ZIP code areas only. For the streets inside 81123, 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 81123 compare with the rest of Costilla County?
| Measure | 81123 | In Costilla County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 606 | 5th of 7 | 383rd of 527 |
| Median household income | $37k | not ranked | not ranked |
| Median home value | $152k | not ranked | not ranked |
81123's income and home value are not ranked: it has fewer than 1,000 residents (606). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 9% of 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 81123?
The 2020 Census counted 727 people in 81123; the ACS, which samples households over 2020-2024, estimates 606. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 606±151 (90% margin)
- 2020 Census count
- 727
- Households
- 323
- Median age
- 46.3
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 81123?
Of the 606 people the ACS estimates in 81123, 18.5% are under 18 and 21.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.7%), then Hispanic or Latino (40.3%).
- Under 1818.5%
- 18 to 6460.2%
- 65 and older21.3%
- White, not Hispanic47.7%
- Hispanic or Latino40.3%
- Asian, not Hispanic5.3%
- Other or two or more4.0%
- Black, not Hispanic2.8%
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 81123 earn?
Median household income is $36,487 (ACS 2020-2024).
- Median household income
- $36,487±$4,541
- Income per person
- $23,721
- Below the poverty line
- 23.6%
- Unemployed (of the labor force)
- 3.7%
- Adults 25+ with a bachelor's degree
- 18.8%
- Adjusted gross income per tax return, 2022
- $49,212330 returns; wages 67% 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 81123?
- Median home value (owners' estimate)
- $152,400
- Median gross rent
- $1,106
- Homes owned by their occupants
- 81.7%
- Housing units
- 396
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 81123?
12 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
- Other services (except public administration)3
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 81123?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 81133 | Fort Garland | 1,085 | $46k | 13.3 mi |
| 81151 | Sanford | 1,716 | $43k | 14.3 mi |
| 81101 | Alamosa | 15,550 | $55k | 16.2 mi |
| 81146 | Mosca | 637 | $70k | 17.2 mi |
| 81126 | Chama | 506 | $53k | 21.0 mi (near) |
| 81152 | San Luis | 1,244 | $32k | 21.3 mi (near) |
| 81055 | La Veta | 1,559 | $55k | 24.6 mi (near) |
| 81141 | Manassa | 1,406 | $60k | 25.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.