Explore Altona, Colorado, with this interactive street and satellite map. You can “grab” the Altona, CO street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
| City | Altona |
| State | Colorado (CO) |
| County | Boulder |
| Country | United States of America |
| Timezone | Mountain Time (America/Denver) |
| Latitude | 40.133874 |
| Longitude | -105.282768 |
| Population | 587 |
| Density | 121.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 80302 |
| Area Code | 303, 720 |
| County Seat | Boulder |
| School District | St. Vrain Valley School District RE 1J |
Altona is a locality in Boulder County, Colorado, United States. It is a small community with a population of 587. The population density is 121.8 people per km². Altona is located at 40.1339°N, 105.2828°W. It observes the Mountain Time (America/Denver) timezone. ZIP code: 80302.
Altona rests in the embrace of Colorado's high plains, where the land stretches out like an unfinished canvas under a sky of immense, clear blue. It lies 6.9 miles northwest of Gunbarrel, CO (from Gunbarrel, CO: bearing 313°T), and is situated 8.2 miles north of Boulder. The horizon here is a taut line, a stark contrast to the distant, jagged punctuation of the Front Range mountains, their peaks often dusted with snow even when the valleys bask in summer warmth. The air, thin and dry at this altitude, carries the scent of sagebrush and the promise of the coming autumn, when the aspen will ignite the slopes in a blaze of gold. The physical character of Altona is one of quiet endurance, a landscape shaped by wind and sun, where hardy grasses cling to the earth and the occasional cottonwood tree offers a splash of verdant resilience along the banks of its life-giving waterways. The bones of Altona whisper tales of a different era, a time when prospectors and ranchers carved out lives from this rugged terrain. Its economy, once fueled by the veins of ore discovered in the nearby hills, has largely shifted to agriculture and the quiet hum of small businesses catering to the needs of its residents and the occasional traveler. This is a place where the past is not a relic but a living presence, influencing the pace of life and the character of its people. The local diner, with its worn linoleum and the comforting clatter of coffee cups, serves as a de facto town square, a place where news is exchanged and community bonds are strengthened. The trout-bright rivers that thread through the surrounding country are a constant reminder of the natural wealth that sustains Altona, their cool, clear waters a vital counterpoint to the dry interior continental air.
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This page provides an embedded street and satellite map of Altona, Colorado — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.133874, -105.282768. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Altona and Boulder County.
Detailed location data for Altona includes the ZIP code (80302), telephone area code (303, 720), county seat of Boulder County (Boulder), and school district assignment (St. Vrain Valley School District RE 1J). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Altona is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |