Boulder County, CO population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Boulder County increased by 55,136. In this period, the peak population was 330,938 in the year 2020. The numbers suggest that the population has already reached its peak and is showing a trend of decline.
| Year | Population | Year on Year Change | Change in Percent |
|---|---|---|---|
| 2000 | 271,695 | - | - |
| 2001 | 278,164 | 6,469 | 2.38% |
| 2002 | 280,470 | 2,306 | 0.83% |
| 2003 | 280,172 | -298 | -0.11% |
| 2004 | 281,530 | 1,358 | 0.48% |
| 2005 | 282,416 | 886 | 0.31% |
| 2006 | 286,827 | 4,411 | 1.56% |
| 2007 | 290,416 | 3,589 | 1.25% |
| 2008 | 294,238 | 3,822 | 1.32% |
| 2009 | 296,928 | 2,690 | 0.91% |
| 2010 | 295,056 | -1,872 | -0.63% |
| 2011 | 300,045 | 4,989 | 1.69% |
| 2012 | 304,717 | 4,672 | 1.56% |
| 2013 | 309,538 | 4,821 | 1.58% |
| 2014 | 312,525 | 2,987 | 0.96% |
| 2015 | 318,408 | 5,883 | 1.88% |
| 2016 | 321,761 | 3,353 | 1.05% |
| 2017 | 323,019 | 1,258 | 0.39% |
| 2018 | 325,438 | 2,419 | 0.75% |
| 2019 | 326,020 | 582 | 0.18% |
| 2020 | 330,938 | 4,918 | 1.51% |
| 2021 | 327,084 | -3,854 | -1.16% |
| 2022 | 327,339 | 255 | 0.08% |
| 2023 | 326,831 | -508 | -0.16% |
TABLE OF CONTENTS
Boulder County, CO population from 2000 to 2023
From 2000 to 2010, Boulder County's population increased by 23,361 (8.60%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 9.63%.
From 2010 to 2020, Boulder County's population increased by 35,882 (12.16%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.18% .
After the COVID19 pandemic and, between the year 2020 and 2023, Boulder County's population decreased by 4,107 (1.24%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Boulder County's population from 2000 to 2023.
The estimated population at the end of 2023 was 326,831.
Between the year 2000 and 2023, Boulder County's population peaked in year 2020 at 330,938.
Between the year 2000 and 2023, Boulder County's population was lowest in year 2000 at 271,695.
Boulder County, CO annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Boulder County grew year by year for 19 years and declined for 4 years.
From 2000 to 2023, Boulder County had an average annual population growth rate of 0.88% per year. Overall the population grew 20.29% between 2000 and 2023.
FIGURE 2
Boulder County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.88% per year.
From 2000 to 2001 Boulder County population grew the most, with an increase of 6,469 people (a 2.38% year-on-year increase)..
From 2020 to 2021 Boulder County population experienced the most significant decrease, with a decline of 3,854 people (a 1.16% year-on-year decline).
Things to know
Is Boulder County, CO population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Boulder County's population decreased by 253 between 2021 and 2023. The increase was 255 (increased) between 2021 and 2022; and decrease of 508 (0.16%) between 2022 and 2023.
How has the population of Boulder County, CO changed in the last 10 years?
Between 2013 and 2023, population of Boulder County increased by 17,293 (5.59%). The population was highest at 330,938 in the year 2020 and lowest at 312,525 in the year 2014. Overall the average growth rate witnessed for the last 10 years was 0.55%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)