ZIP code · Byers · Colorado · United States

ZIP code 80103 — Byers

ZIP code 80103 serves Byers, Colorado.

Postal code
80103
Single source Value from one source, not cross-checked.
City
Byers
County
Arapahoe FIPS 08005
State
Colorado
Country
United States
Coordinates
39.6985, -104.2019 — precision precise (locality)
View on OpenStreetMap
Population
3,505 (ZCTA, ACS 5-year)
Population density
10 / sq mi
Land area
368.3 sq mi (954 km²) (ZCTA, ACS 5-year)
Median household income
$102,188
Per-capita income
$34,170
Median age
32.2
Households
1,018
Housing units
1,097
Median home value
$503,300
Median gross rent
$1,336 / month
Congressional district
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 codes
303, 720
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 90°F), coldest Dec (avg low 14°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F424554617183908779655343
Avg low °F141625324251575647332214
Precip in0.50.51.21.82.52.02.62.01.21.00.70.5

NOAA 1991–2020 climate normals from the nearest station: BYERS 5 ENE (4.9 mi) · NOAA NCEI

Places in ZIP 80103

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