Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/CO/ALTONA

Altona ZIP codes, Colorado

No ZIP code is named for Altona, CO; addresses there use a neighbouring town's name. The ZIP code covering it is 80302. Its area codes are 720, 303 and 983.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
587
Area codes
720, 303, 983

NANPA lists no telephone rate centre for Altona itself, so these are the area codes of the nearest one, Longmont (12.3 miles). A town on an area-code boundary can differ from its neighbour.

Altona in numbers

About 587 people live in Altona, in 259 households. The median household income is $149,327 a year, 56% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $1,084,000 (2.0 times the Colorado median), and median gross rent is $3,500+ a month. The median age is 47.7; 75.8% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 23 minutes.

Population587Altona587
Households259Altona259
Median age47.7Altona47.7Colorado37.7US 38.9
Median household income$149,327Altona$149,327Colorado$95,470US $80,734
Median home value$1,084,000Altona$1,084,000Colorado$539,400US $332,700
Median gross rent$3,500+Altona$3,500+Colorado$1,761US $1,413
Bachelor's degree or higher75.8%Altona75.8%Colorado45.7%US 35.7%
Mean commute23.3 minAltona23.3 minColorado25.2 minUS 26.4 min
Population density348 / sq miAltona348 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Altona CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Altona

These ZIP codes cover part of Altona but are addressed as somewhere else.

ZIP codes overlapping Altona
ZIP City Type Population Median income Median home
80302 Boulder , CO Standard 29,569 $61,698 $1,190,800

Map of Altona ZIP codes

80302

The ZIP codes of Altona, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Altona

The nearest larger towns are Lazy Acres (778 people, 3.2 mi), Lyons (1,838 people, 7.1 mi) and Boulder (106,433 people, 7.1 mi).

Towns near Altona
TownPopulationDistance
Boulder 106,433 7.1 mi
Niwot 3,447 7.5 mi
Gunbarrel 10,051 7.7 mi
Longmont 99,406 10.8 mi
Louisville 20,786 13.3 mi
Lafayette 30,602 13.6 mi
Erie 33,808 14.8 mi
Superior 13,305 15.0 mi
Frederick 16,651 17.0 mi
Broomfield 76,304 17.4 mi
Mead 5,919 17.8 mi
Firestone 18,049 18.5 mi
Dacono 6,530 18.9 mi
Berthoud 12,411 20.8 mi

More nearby: every ZIP code in Boulder County · Colorado ZIP codes

Cite this page

zipcodes.pro. “Altona, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/altona

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