Sunnyside, Colorado
Sunnyside: Situated in the Rocky Mountain foothills of Boulder County at an elevation of 6,391 feet, this community lies immediately west of the city of Boulder.
About
Sunnyside is a city located in the county of Boulder in the U.S. state of Colorado.
Quick Facts about Sunnyside
| State | Colorado (United States) |
| County | Boulder County |
| Latitude & Longitude | 40.0036,-105.3817 |
| Time Zone | America/Denver |
| Local time | 02:09:31 (11th November 2026) |
| Weather | 35℉ Mostly Clear 7-days weather |
Geography
Sunnyside is located at 40°0'13"N 105°22'54"W (40.0036000, -105.3816600).
Sunnyside map
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Weather
Mostly clear, with a low around 35. West wind around 9 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Sunnyside, CO. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 126614 | University of Colorado Boulder | Boulder (CO) | 80309-0017 |
Nearby Transit Stations (11)
Rail and bus stations connected to Sunnyside, 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 |
| WIP | Fraser – Winter Park | 205 Fraser Avenue | RAIL |
| DEN | Union Station | 1701 Wynkoop Street | RAIL |
| DEB | Denver (Bus Station), Colorado | 1055 19th Street | BUS |
Closest post offices linked to Sunnyside.
| Post Office Name | City | ZIP |
|---|---|---|
| Pinecl Post Office | Pinecliffe (CO) | 80471 |
Other places with the same name (2)
- Sunnyside, Washington city in Washington, United States. with a population of 16,924 people.
- Sunnyside, Washington city in Washington, United States. with a population of 16,325 people.
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 |