Alamosa, CO ZIP Codes
One ZIP code serves Alamosa, Colorado: 81101. Together they are home to 15,550 residents in 6,292 households. That is more than the 9,879 people counted inside Alamosa city limits, because these ZIP codes reach past its boundary.
Alamosa city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 9,879 |
| Households | 4,084 |
| Median household income | $49,688 |
| Median home value | $225,200 |
| Median age | 31.2 |
| Median rent | $837 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 15,550 |
| Households (sum of ZIP codes) | 6,292 |
| Median household income, range across ZIP codes | $54,844 (81101) to $54,844 (81101) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $54,844 |
| Homeowners | 54.7% |
| Households with kids under 18 | 30.1% |
| Moved in the past year | 19.1% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Alamosa
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 81101 | Alamosa | 15,550 | 6,292 | $54,844 | $240,400 | 54.7% | 30.1% | 19.1% | — | — | 2% of its land; mailing city |
A ZIP code is listed for Alamosa when at least 10% of its land lies inside Alamosa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Alamosa. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Alamosa.
Counties
- Alamosa County — 3 ZIP codes
Price a mailing to Alamosa ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Alamosa, CO?
- 81101. A ZIP code is listed for Alamosa when at least 10% of its land lies inside Alamosa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Alamosa.
- What is the population of Alamosa, CO?
- The Census Bureau counts 9,879 residents inside Alamosa city limits (ACS 2020–2024). The 1 ZIP code that serve Alamosa hold 15,550 residents in all.
- What is the median household income in Alamosa, CO?
- $49,688 inside Alamosa city limits, per the Census Bureau. Across its ZIP codes the medians run from $54,844 to $54,844.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.