81151 ZIP Code, Sanford, CO
81151 is a ZIP code in Sanford, Colorado — mostly in Costilla County (57% of its land), with smaller parts in Conejos County. It covers 293 square miles of land. The closest ZIP codes are 81141, 81123 and 81138. 1,716 people live here in 767 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (76%). Median household income is $43,417, well below the Colorado median of $95,470.
Quick facts
- Mailing city: Sanford, CO
- County: Costilla County
- Land area: 293 sq mi
- Population: 1,716
- Median household income: $43,417
Key figures
| Measure | Value |
|---|---|
| Residents | 1,716 |
| Households | 767 |
| Median household income | $43,417 |
| Income per person | $25,893 |
| Median age | 40.6 |
| Homeowners | 76.3% |
| Median home value | $188,500 |
| Median rent | $1,074 |
| Bachelor's degree or higher | 29.3% |
| Average commute (minutes) | 30 |
| Households with kids under 18 | 34.2% |
| Moved in the past year | 10.5% |
| Below the poverty line | 14.7% |
| Broadband internet | 86.0% |
| Speak a non-English language at home | 17.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 5.6% |
| $10–15K | 11.9% |
| $15–25K | 8.6% |
| $25–35K | 5.7% |
| $35–50K | 20.2% |
| $50–75K | 17.6% |
| $75–100K | 5.0% |
| $100–150K | 22.4% |
| $150–200K | 1.8% |
| $200K+ | 1.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 10.6% |
| 10–19 | 18.1% |
| 20–24 | 5.3% |
| 25–34 | 9.7% |
| 35–44 | 12.2% |
| 45–54 | 8.9% |
| 55–64 | 13.2% |
| 65–74 | 15.0% |
| 75+ | 6.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 30.8% |
| Owned outright | 38.2% |
| Rented | 21.5% |
| Vacant | 9.6% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 67.3% |
| Townhome | 0.4% |
| 2–4 units | 0.8% |
| 5–19 units | 1.1% |
| 20+ units | 2.5% |
| Mobile / other | 28.0% |
Businesses in 81151
15 business establishments with 83 employees (ZIP Codes Business Patterns 2023).
- Construction: 8
EDDM carrier routes
See every USPS carrier route in 81151 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 81141 — Manassa town, CO (11.4 mi)
- 81123 — Blanca town, CO (14.3 mi)
- 81138 (15.6 mi)
- 81148 — Romeo town, CO (15.8 mi)
- 81101 — Alamosa city, CO (17.7 mi)
- 81152 — San Luis town, CO (18.8 mi)
- 81129 — Conejos CDP, CO (19.4 mi)
- 81126 (20.8 mi)
Areas that include 81151
- Sanford, CO ZIP codes — 1 ZIP code
- San Acacio, CO ZIP codes — 1 ZIP code
- Conejos County ZIP codes — 7 ZIP codes
- Costilla County ZIP codes — 6 ZIP codes
- Colorado ZIP code data
Mail every home in 81151
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) 81151, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 81151 in?
- 81151 is a Sanford, CO mailing address. None of its land lies inside a Census-defined city or community.
- What county is 81151 in?
- 81151 is mostly in Costilla County (57% of its land), with smaller parts in Conejos County.
- What is the population of 81151?
- About 1,716 people (±356), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,527.
- What is the median household income in 81151?
- $43,417 (±$23,105), 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 81151?
- EDDM2GO's stored route library does not include 81151 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 81151?
- The closest, measured center to center: 81141 (11.4 mi, Manassa), 81123 (14.3 mi, Blanca), 81138 (15.6 mi), 81148 (15.8 mi, Romeo), 81101 (17.7 mi, Alamosa) and 81152 (18.8 mi, San Luis).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.