population of bolder
As of 2025, the population of Boulder, Colorado is estimated to be approximately 104,414, according to the World Population Review. This aligns with other demographic data sources indicating that Boulder is one of the larger cities in the state, ranking as the 12th most populous city in Colorado.
The population for Boulder is presented differently in various reports. For instance, Colorado Cities by Population lists the population slightly higher at 105,898, indicating the ongoing changes in demographics over the years. Historical data shows that Boulder's population was recorded at 108,250 during the 2020 census.
In a broader context, Boulder County, of which Boulder is the county seat, has an estimated population of 325,815 for 2025, reflecting a slight decline in growth compared to previous years.
For more specific demographic breakdowns, the Boulder community profile provides insights into housing, jobs, and land use, while data from the American Community Survey notes that about 12,469 residents are under the age of 18, which constitutes roughly 11.73% of Boulder's total population.
If you are looking for more detailed statistics or specific data sources, you can explore the following links:
- World Population Review
- Colorado Cities by Population
- Wikipedia entry for Boulder, Colorado
- Population estimates for Boulder County
- FRED economic data for Boulder population
- Boulder Community Profile
- Population by age in Boulder
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