ZIP code · Fort Collins · Colorado · United States

ZIP code 80528 — Fort Collins

ZIP code 80528 serves Fort Collins, Colorado.

Postal code
80528
Single source Value from one source, not cross-checked.
City
Fort Collins
County
Larimer FIPS 08069
State
Colorado
Country
United States
Coordinates
40.4961, -105.0002 — precision precise (locality)
View on OpenStreetMap
Population
24,233 (ZCTA, ACS 5-year)
Population density
1,312 / sq mi
Land area
18.5 sq mi (47.8 km²) (ZCTA, ACS 5-year)
Median household income
$122,133
Per-capita income
$59,263
Median age
34.6
Households
8,728
Housing units
8,986
Median home value
$654,200
Median gross rent
$1,906 / month
Congressional districts
CO-2 (also CO-4) (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
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 88°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F434555617081888577635142
Avg low °F151826344352585547342416
Precip in0.40.41.12.02.51.81.61.31.41.20.70.4

NOAA 1991–2020 climate normals from the nearest station: FT COLLINS 4 E (5.7 mi) · NOAA NCEI

Places in ZIP 80528

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