ZIP code · Grand Junction · Colorado · United States

ZIP code 81503 — Grand Junction

ZIP code 81503 serves Grand Junction, Colorado.

Postal code
81503
Single source Value from one source, not cross-checked.
City
Grand Junction
County
Mesa FIPS 08077
State
Colorado
Country
United States
Coordinates
39.0307, -108.4361 — precision precise (locality)
View on OpenStreetMap
Population
16,132 (ZCTA, ACS 5-year)
Population density
733 / sq mi
Land area
22 sq mi (57 km²) (ZCTA, ACS 5-year)
Median household income
$71,681
Per-capita income
$31,464
Median age
40.1
Households
6,197
Housing units
6,567
Median home value
$307,600
Median gross rent
$1,015 / month
Congressional district
CO-3 (119th Congress)
USDA hardiness zone
7a (0 to 5 °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
970
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 °F394758657688939081675240
Avg low °F192534405059656354413020
Precip in0.50.50.81.00.90.50.70.81.20.90.70.5

NOAA 1991–2020 climate normals from the nearest station: GRAND JUNCTION 6ESE (1.8 mi) · NOAA NCEI

Places in ZIP 81503

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