Santa Rosa population
Santa Rosa, California had an estimated 179,437 residents on July 1, 2025, the 154th-largest city in the US. That is up 6.9% since the 2010 Census and up 20.2% since 2000.
- Population, July 2025
- 179,437+0.8% since April 2020
- People per sq mile
- 4,21842.5 sq mi of land
- Median age
- 41.219% are 65 or older
- Households with kids
- 29.6%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 179,437 | +1,497 | Estimate, July 1 |
| 2024 | 177,940 | +1,447 | Estimate, July 1 |
| 2023 | 176,493 | +311 | Estimate, July 1 |
| 2022 | 176,182 | -1,192 | Estimate, July 1 |
| 2021 | 177,374 | -715 | Estimate, July 1 |
| 2020 | 178,089 | +2,497 | April 2020 estimates base |
| 2019 | 175,592 | -1,654 | Estimate, July 1 |
| 2018 | 177,246 | -4,949 | Estimate, July 1 |
| 2017 | 182,195 | -103 | Estimate, July 1 |
| 2016 | 182,298 | +895 | Estimate, July 1 |
| 2015 | 181,403 | +1,061 | Estimate, July 1 |
| 2014 | 180,342 | +1,754 | Estimate, July 1 |
| 2013 | 178,588 | +1,541 | Estimate, July 1 |
| 2012 | 177,047 | +899 | Estimate, July 1 |
| 2011 | 176,148 | +8,333 | Estimate, July 1 |
| 2010 | 167,815 | +2,257 | 2010 Census (April 1) |
| 2009 | 165,558 | +3,173 | Estimate, July 1 |
| 2008 | 162,385 | +2,938 | Estimate, July 1 |
| 2007 | 159,447 | +1,713 | Estimate, July 1 |
| 2006 | 157,734 | +727 | Estimate, July 1 |
| 2005 | 157,007 | +703 | Estimate, July 1 |
| 2004 | 156,304 | +1,120 | Estimate, July 1 |
| 2003 | 155,184 | +1,410 | Estimate, July 1 |
| 2002 | 153,774 | +1,025 | Estimate, July 1 |
| 2001 | 152,749 | +3,489 | Estimate, July 1 |
| 2000 | 149,260 | April 2000 estimates base |
Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.
Frequently asked questions
What is the population of Santa Rosa in 2025?
The Census Bureau estimates Santa Rosa had 179,437 residents on July 1, 2025, making it the 154th-largest city in the US.
Is Santa Rosa growing?
Yes. Santa Rosa has grown 6.9% since the 2010 Census (167,815 people), and grown 0.8% since 2020.
What was the population of Santa Rosa in 2000?
About 149,260 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 167,815.
How dense is Santa Rosa?
Santa Rosa has about 4,218 people per square mile of land (42.5 square miles).
More about Santa Rosa
See cost of living, jobs and commutes in Santa Rosa, Santa Rosa weather by month, or every Santa Rosa ZIP code. For the biggest cities in the country, see the largest US cities.