ZIP code · San Luis · Colorado · United States

ZIP code 81152 — San Luis

ZIP code 81152 serves San Luis, Colorado.

Postal code
81152
Single source Value from one source, not cross-checked.
City
San Luis
County
Costilla FIPS 08023
State
Colorado
Country
United States
Coordinates
37.1066, -105.4781 — precision precise (locality)
View on OpenStreetMap
Population
1,203 (ZCTA, ACS 5-year)
Population density
3 / sq mi
Land area
481 sq mi (1,245.7 km²) (ZCTA, ACS 5-year)
Median household income
$30,709
Per-capita income
$27,826
Median age
41.2
Households
533
Housing units
866
Median home value
$135,900
Median gross rent
$719 / month
Congressional district
CO-3 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Denver (UTC−7 / UTC−6 DST)
Area code
719
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 82°F), coldest Jan (avg low 6°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F374152586879827974634939
Avg low °F6122327354248473928189
Precip in0.40.50.30.60.70.81.51.31.00.90.50.4

NOAA 1991–2020 climate normals from the nearest station: SAN LUIS 1 S (6.8 mi) · NOAA NCEI

Places in ZIP 81152

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page