How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 2.53 million people living in Riverside County, CA. That makes Riverside County the 10th-most populous county in the US. It is also the fourth-largest in California, accounting for 6.4% of the state’s population.

2.53M

population of Riverside County, CA (2024)

6.4%

County share of the California population (2024)

About 2.53 million people lived in Riverside County, CA in 2024.

Population estimates, 2000–2024

What are Riverside County, CA’s age demographics?

About 408,000 Riverside County, CA residents are aged 65 and older in 2024. That represents 16.1% of its population. For comparison, the age group represents 16.6% of California’s population and 18% in the US overall.
Another 591,600 Riverside County, CA residents, or 23.4% of the population, were children under 18. For comparison, the age group represents 21.4% of California’s population and 21.6% in the US overall.


A lower share of Riverside County, CA's population is aged 65 or older than the US as a whole.

Population estimates by age group, (2024)

What are Riverside County, CA’s racial and ethnic demographics?

Hispanic residents make up 52.5% of the Riverside County, CA population, higher than the national share of 20%. Riverside County also has a larger share of people identifying as non-Hispanic Asian (7.6%) than the US overall (6.5%).
In contrast, Riverside County’s non-Hispanic white population accounts for 30.2%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 6.4% of the county, compared with 12.6% nationally.
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.

Riverside County, CA has a higher share of a Hispanic population than California as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Riverside County, CA is Riverside with about 323,800 residents in 2024.

Cities and towns in Riverside County, CA ranked by population

Population (2024), includes only portions within county

Cities and towns in Riverside County, CA ranked by population
City or townPopulation
1.

Riverside 

323,757
2.

Moreno Valley

213,919
3.

Corona 

161,540
4.

Menifee 

117,041
5.

Murrieta 

112,539
6.

Temecula 

112,431
7.

Jurupa Valley

108,154
8.

Indio 

94,275
9.

Hemet 

92,912
10.

Perris 

83,032

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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.