Altona
In Boulder County, Colorado.
stops being your city.
Altona takes over news, events and the map.
News around Boulder County
Supreme Court will hear major climate change case involving devastating Marshall wildfire
Colorado case is part of a wave of climate change litigation across the country. On the first day of court's new term, the justices will hear the Boulder case that could decide the fate of others like it.
General
Boulderthon brings in big bucks
By Riggs Robertson Boulder Weekly BOULDER | Thousands of runners competed in the Boulderthon this year. The idea of Boulderthon started eight years ago, when runners Alexa Squillaro and her husband Phil Dumontet moved to Longmont. Dumontet came from New York City, and the couple…
Events
Leaf peeping on the Peak to Peak
By Emma Houckes Boulder Weekly BOULDER | After a brutally dry and hot summer, folks in Boulder County are looking forward to all that autumn brings. Cool breezes, cozy sweaters, pumpkin-spice flavored everything and most of all – colorful fall foliage. Leaf-peeping has always…
Events
What to do in Colorado this week: TED Talks in Breckenridge, Original Thinkers in Telluride and free music in Denver
Plus: Original Thinkers festival in Telluride, free music in Denver and a mural festival in Superior
Events
Colorado bakeries have a good reason to bet on local grains despite rising food costs
You can taste the difference, say bakers across the state who invest in flour milled from grains grown not far away or mill their own.
Local Business
Consumer advocates: Supreme Court climate case could 'rewrite' American economy
Consumer advocates: Supreme Court climate case could 'rewrite' American economy mps-post Wed, 09/30/2026 - 05:20 Image (adsbygoogle = window.adsbygoogle || []).push({}); (The Center Square) The U.S. Supreme Court will hear a case on Monday that could "rewrite" the future of…
Government & CivicIn and around Altona
Musicians & bands near Altona →
Explore the Greater Boulder metro →
Altona changes faster than we can keep up.
Something opened, closed or moved? Tell us and we'll put it right. Our editors review submissions before they publish — you'll need an account with access to send one.
Altona by the numbers
- Area
- 1.69 sq mi (4.37 km²), 0.06 sq mi water
- Households
- 259
- Persons per household
- 2.3
- Median house value
- $1,084,000