ZIP code · Littleton · Colorado · United States

ZIP code 80123 — Littleton

ZIP code 80123 serves Littleton, Colorado.

Postal code
80123
Single source Value from one source, not cross-checked.
City
Littleton
County
Jefferson FIPS 08059
State
Colorado
Country
United States
Coordinates
39.6206, -105.0901 — precision precise (locality)
View on OpenStreetMap
Population
45,364 (ZCTA, ACS 5-year)
Population density
3,773 / sq mi
Land area
12 sq mi (31.1 km²) (ZCTA, ACS 5-year)
Median household income
$106,731
Per-capita income
$61,718
Median age
40.9
Households
19,148
Housing units
19,759
Median home value
$581,800
Median gross rent
$1,958 / month
Congressional districts
CO-6 (also CO-7, CO-1) (119th Congress)
USDA hardiness zone
6a (-10 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 codes
303, 720, 983 (from the nearest rate centre)
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 86°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F464755606981868577645345
Avg low °F192028354453605849372820
Precip in0.50.71.22.12.71.92.01.91.31.00.70.6

NOAA 1991–2020 climate normals from the nearest station: MARSTON FLTR PLT (1.3 mi) · NOAA NCEI

Places in ZIP 80123

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