San Luis, CO ZIP code
The ZIP code for San Luis, Colorado is 81152. It is in Costilla County.
- Population in these ZIPs
- 1,244
- Avg. median income
- $31,900population-weighted
- Typical home value
- $135,400population-weighted
- Metro area
- Alamosa, CO
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San Luis, CO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 81152 | 1,244 | $31,875 | $135,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near San Luis
Frequently asked questions
What is the ZIP code for San Luis, CO?
The ZIP code for San Luis, CO is 81152.
What county is San Luis, Colorado in?
San Luis ZIP codes are in Costilla County.