**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	349,244	13.7%	86.3%
2023	346,532	13.6%	86.4%
2022	345,815	13.2%	86.8%
2021	344,037	12.7%	87.3%
2020	343,742	12.6%	87.4%
2019	339,641	12.6%	87.4%
2018	335,553	12.6%	87.4%
2017	330,453	12.8%	87.2%
2016	326,527	13.0%	87.0%
2015	323,259	13.2%	86.8%
2014	320,448	13.4%	86.6%
2013	318,441	13.7%	86.3%
2012	315,391	13.7%	86.3%
2011	313,020	13.9%	86.1%
2010	309,894	14.1%	85.9%

Nativity & Citizenship FAQs for Marion County, Oregon

Approximately 13.7% of residents in Marion County, Oregon were born outside the United States.

The vast majority of residents, roughly 91.4%, are U.S. citizens (including both native-born and naturalized citizens).

Marion County, Oregon Nativity & Citizenship Status (2024)