Where is Altona located?

Altona, CO is located at latitude 40.1338700 and longitude -105.2827700. It is in United States.

What is the elevation of Altona?

Altona, CO has an elevation of 1707 meters (5600 feet) above sea level.

What time zone is Altona in?

Altona, CO is in the America/Denver time zone.

What state is Altona in?

Altona is in the state of Colorado, United States.

What county is Altona, CO in?

Altona is in Boulder County, Colorado.

Altona, CO - Geographic Facts & Maps

Altona: Situated in the Front Range foothills of Boulder County at an elevation of approximately 5,600 feet, this unincorporated community sits along Left Hand Creek.

About

Altona is a city located in the county of Boulder in the U.S. state of Colorado.

Quick Facts about Altona

State	Colorado (United States)
County	Boulder County
Latitude & Longitude	40.1339,-105.2828
Time Zone	America/Denver
Local time	19:30:34 (6th November 2026)
Weather	38℉ Mostly Cloudy 7-days weather

Geography

Altona is located at 40°8'2"N 105°16'58"W (40.1338700, -105.2827700).

Altona map

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Weather

38°F

Mostly Cloudy

3 mph WSW Tonight

Mostly cloudy, with a low around 38. West southwest wind around 3 mph.

7-Day Forecast

Nearby Schools and Colleges

Schools and campuses linked to Altona, CO. Select a name to open its map and contact details.

Code	Name	City	ZIP
262466	Rolf Institute of Structural Integration	Boulder (CO)	80301-0000

Nearby Transit Stations (12)

Rail and bus stations connected to Altona, CO. Select a station to open its map and address details.

Code	Name	Address	Type
BLD	Boulder, Colorado	30th & Diagonal Highway	BUS
LGM	Longmont, Colorado	623 Main St.	BUS
DEB	Denver (Bus Station), Colorado	1055 19th Street	BUS
DEN	Union Station	1701 Wynkoop Street	RAIL
WIP	Fraser – Winter Park	205 Fraser Avenue	RAIL

Nearby Post Offices

Closest post offices linked to Altona.

Post Office Name	City	ZIP
Jamestown Post Office	Jamestown (CO)	80455

Other cities in Boulder County

Cities, towns, neighborhoods & other populated places in Boulder County , CO.

City Name	Population	Title
Boulder	107,645	The most populous city in Boulder County, Colorado.
Longmont	98,445	The most populous city in Boulder County, Colorado.
Erie	30,318	Town in Boulder County, Colorado, USA
Lafayette	28,579	City in Colorado
Louisville	19,060	City in Colorado
Superior	13,413	Statutory Town in Boulder and Jefferson counties in the U.
Niwot	4,006	Census designated place
Lyons	2,058	Town in Boulder County, Colorado, United States
Nederland	1,557	Town in Colorado, United States

Altona, Colorado