How many people live in the Santa Rosa, CA area?
Updated Mar. 4, 2026Refreshed annually
In 2024 there were 485,400 people in the Santa Rosa, CA area. That makes the Santa Rosa, CA metropolitan statistical area the 112th-most populous metro area in the US. It is home to 0.14% of the nation's population.
485K
population of Santa Rosa, CA area (2024)
0.14%
Santa Rosa, CA area share of US population (2024)
Between 2010 and 2024, the population of the Santa Rosa, CA area increased from 484,600 to 485,400—a 0.15% increase. During that same period, the US population grew 9.9%.
About 485,400 people lived in the Santa Rosa, CA area in 2024.
Population estimates of the Santa Rosa-Petaluma, CA Metro Area, 2010–2024
What are the age demographics of the Santa Rosa, CA area?
About 22.8% of the Santa Rosa, CA area's population in 2024 was aged 65 years or older, higher than the 18% share in the nation overall. Children (under 18) account for 18.4% of the Santa Rosa, CA area population, below the 21.6% population share of children nationwide.
A higher share of the Santa Rosa, CA area population is 65 and older than the US overall.
Population share by age group in Santa Rosa-Petaluma, CA Metro Area and the US overall (2024)
What is the racial and ethnic makeup of the Santa Rosa, CA area?
Non-Hispanic white residents make up 58.2% of the Santa Rosa, CA area population, higher than the national share of 57.5%. Hispanic residents make up 31% of the population, higher than the national share of 20%.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
A higher share of the Santa Rosa, CA area population is Hispanic than the US overall.
Population share by race and ethnicity in Santa Rosa-Petaluma, CA Metro Area and the US overall (2024)
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
