81123 ZIP Code, Blanca, CO
81123 is a ZIP code in Blanca, Colorado in Costilla County. It covers 146 square miles of land. The closest ZIP codes are 81133, 81151 and 81101. 606 people live here in 323 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (82%). Median household income is $36,487, well below the Colorado median of $95,470; the median age is 46.3, older than most ZIP codes.
Quick facts
- Mailing city: Blanca, CO
- County: Costilla County
- Land area: 146 sq mi
- Population: 606
- Median household income: $36,487
Key figures
| Measure | Value |
|---|---|
| Residents | 606 |
| Households | 323 |
| Median household income | $36,487 |
| Income per person | $23,721 |
| Median age | 46.3 |
| Homeowners | 81.7% |
| Median home value | $152,400 |
| Median rent | $1,106 |
| Bachelor's degree or higher | 18.8% |
| Average commute (minutes) | 23.3 |
| Households with kids under 18 | 23.8% |
| Moved in the past year | 7.8% |
| Below the poverty line | 23.6% |
| Broadband internet | 84.5% |
| Speak a non-English language at home | 33.7% |
Household income
| % of households | Value |
|---|---|
| <$10K | 18.0% |
| $10–15K | 7.7% |
| $15–25K | 9.3% |
| $25–35K | 4.3% |
| $35–50K | 23.5% |
| $50–75K | 13.3% |
| $75–100K | 19.2% |
| $100–150K | 4.3% |
| $150–200K | 0.3% |
| $200K+ | 0.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.8% |
| 10–19 | 12.6% |
| 20–24 | 3.3% |
| 25–34 | 7.6% |
| 35–44 | 18.3% |
| 45–54 | 9.4% |
| 55–64 | 19.8% |
| 65–74 | 11.2% |
| 75+ | 10.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 18.7% |
| Owned outright | 48.4% |
| Rented | 14.7% |
| Vacant | 18.2% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 79.5% |
| Townhome | 1.3% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 19.2% |
Businesses in 81123
12 business establishments with 177 employees (ZIP Codes Business Patterns 2023).
- Construction: 3
- Other Services (except Public Administration): 3
EDDM carrier routes
See every USPS carrier route in 81123 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 81133 — Fort Garland CDP, CO (13.3 mi)
- 81151 — Sanford town, CO (14.3 mi)
- 81101 — Alamosa city, CO (16.2 mi)
- 81146 (17.2 mi)
- 81126 (21 mi)
- 81152 — San Luis town, CO (21.3 mi)
- 81055 — La Veta town, CO (24.6 mi)
- 81141 — Manassa town, CO (25 mi)
Areas that include 81123
- Blanca, CO ZIP codes — 1 ZIP code
- Costilla County ZIP codes — 6 ZIP codes
- Colorado ZIP code data
Mail every home in 81123
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 81123, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 81123 in?
- 81123 is a Blanca, CO mailing address. By land area, 1% lies inside Blanca; the rest is outside any Census-defined city or community.
- What county is 81123 in?
- 81123 is in Costilla County.
- What is the population of 81123?
- About 606 people (±151), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 727.
- What is the median household income in 81123?
- $36,487 (±$4,541), compared with $95,470 for Colorado as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 81123?
- EDDM2GO's stored route library does not include 81123 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 81123?
- The closest, measured center to center: 81133 (13.3 mi, Fort Garland), 81151 (14.3 mi, Sanford), 81101 (16.2 mi, Alamosa), 81146 (17.2 mi), 81126 (21 mi) and 81152 (21.3 mi, San Luis).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.