In 2023, the population of the Riverside-San Bernardino-Ontario metropolitan area in the United States was about 4.68 million people. This was a slight increase from the previous year, when the population was about 4.66 million people.
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U.S. Census Bureau. (September 24, 2024). Population of the Riverside-San Bernardino-Ontario metro area in the United States from 2010 to 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/
U.S. Census Bureau. "Population of the Riverside-San Bernardino-Ontario metro area in the United States from 2010 to 2023." Chart. September 24, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/
U.S. Census Bureau. (2024). Population of the Riverside-San Bernardino-Ontario metro area in the United States from 2010 to 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/
U.S. Census Bureau. "Population of The Riverside-san Bernardino-ontario Metro Area in The United States from 2010 to 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Sep 2024, /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/
U.S. Census Bureau, Population of the Riverside-San Bernardino-Ontario metro area in the United States from 2010 to 2023 ÌÇÐÄÆƽâ°æ, /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/ (last visited July 29, 2026)
Population of the Riverside-San Bernardino-Ontario metro area in the United States from 2010 to 2023 [Graph], U.S. Census Bureau, September 24, 2024. [Online]. Available: /statistics/815242/riverside-san-bernardino-ontario-metro-area-population/
