ZIP code · Walsh · Colorado · United States

ZIP code 81090 — Walsh

ZIP code 81090 serves Walsh, Colorado.

Postal code
81090
Single source Value from one source, not cross-checked.
City
Walsh
County
Baca FIPS 08009
State
Colorado
Country
United States
Coordinates
37.3521, -102.2537 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
765 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
652.9 sq mi (1,691 km²) (ZCTA, ACS 5-year)
Median household income
$35,227
Per-capita income
$31,348
Median age
57.2
Households
410
Housing units
557
Median home value
$151,100
Median gross rent
$283 / month
Congressional district
CO-4 (119th Congress)
USDA hardiness zone
6b (-5 to 0 °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 93°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F465060687888939083705747
Avg low °F192129374758636153392820
Precip in0.50.41.11.62.12.63.63.31.41.60.60.8

NOAA 1991–2020 climate normals from the nearest station: WALSH 1 W (3.2 mi) · NOAA NCEI

Places in ZIP 81090

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