New Castle County, Delaware Nativity & Citizenship Status (2024)

Place of birth and citizenship status analysis for New Castle County, Delaware

Demographics Overview

Race & Ethnicity

Household Income

Nativity & Citizenship

Health Insurance

Class of Worker

New Castle County, Delaware Nativity & Citizenship Indicators (2024)

Native Born

87.2%

Foreign Born

12.8%

Naturalized

7.1%

US Citizens

94.3%

New Castle County, Delaware Nativity & Citizenship Distribution

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

New Castle County, Delaware Historical Nativity Trends (2010–2024)

Historical nativity trends for — Figure 2: Evolution of nativity categories and total population volume from 2010 to 2024.

New Castle County, Delaware Population & Nativity History

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	577,961	12.8%	87.2%
2023	573,030	12.3%	87.7%
2022	570,567	11.8%	88.2%
2021	567,769	11.7%	88.3%
2020	558,306	11.5%	88.5%
2019	556,165	11.5%	88.5%
2018	555,133	11.1%	88.9%
2017	555,036	10.8%	89.2%
2016	551,997	10.6%	89.4%
2015	549,643	10.3%	89.7%
2014	545,846	10.0%	90.0%
2013	542,784	10.0%	90.0%
2012	539,665	10.0%	90.0%
2011	536,478	9.9%	90.1%
2010	533,514	9.6%	90.4%

Nativity & Citizenship FAQs for New Castle County, Delaware

Approximately 12.8% of residents in New Castle County, Delaware were born outside the United States.

The vast majority of residents, roughly 94.3%, are U.S. citizens (including both native-born and naturalized citizens).

Compare Nativity Across Other Locations