Winnebago County, Illinois Nativity & Citizenship Indicators (2024)

Native Born

91.1%

Foreign Born

8.9%

Naturalized

4.3%

US Citizens

95.4%

Winnebago County, Illinois Nativity & Citizenship Distribution

Nativity Treemap for
Figure 1: Proportional distribution of population by place of birth in .


Winnebago County, Illinois Population & Nativity History

Table 1: Comparison of total population and nativity percentages over time.
YearTotal PopForeign BornNative Born
2024283,2928.9%91.1%
2023283,2898.7%91.3%
2022284,5918.7%91.3%
2021285,4719.0%91.0%
2020283,6358.8%91.2%
2019284,8198.4%91.6%
2018286,1748.4%91.6%
2017287,5128.2%91.8%
2016288,8967.8%92.2%
2015290,4398.0%92.0%
2014292,0268.0%92.0%
2013293,3847.6%92.4%
2012294,4337.5%92.5%
2011294,8937.7%92.3%
2010293,9727.6%92.4%

Nativity & Citizenship FAQs for Winnebago County, Illinois

Approximately 8.9% of residents in Winnebago County, Illinois were born outside the United States.

The vast majority of residents, roughly 95.4%, are U.S. citizens (including both native-born and naturalized citizens).

Compare Nativity Across Other Locations