**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	2,478,600	21.9%	78.1%
2023	2,449,909	21.6%	78.4%
2022	2,429,487	21.6%	78.4%
2021	2,409,331	21.5%	78.5%
2020	2,437,864	21.5%	78.5%
2019	2,411,439	21.6%	78.4%
2018	2,383,286	21.7%	78.3%
2017	2,355,002	21.8%	78.2%
2016	2,323,892	21.9%	78.1%
2015	2,298,032	22.0%	78.0%
2014	2,266,899	22.0%	78.0%
2013	2,228,528	21.9%	78.1%
2012	2,192,982	22.0%	78.0%
2011	2,154,844	22.2%	77.8%
2010	2,109,464	22.4%	77.6%

Nativity & Citizenship FAQs for Riverside County, California

Approximately 21.9% of residents in Riverside County, California were born outside the United States.

The vast majority of residents, roughly 90.4%, are U.S. citizens (including both native-born and naturalized citizens).

Riverside County, California Nativity & Citizenship Status (2024)