Jefferson County, Colorado Nativity & Citizenship Status (2024)

Place of birth and citizenship status analysis for Jefferson County, Colorado

Demographics Overview

Race & Ethnicity

Household Income

Nativity & Citizenship

Health Insurance

Class of Worker

Jefferson County, Colorado Nativity & Citizenship Indicators (2024)

Native Born

93.7%

Foreign Born

6.3%

Naturalized

3.6%

US Citizens

97.3%

Jefferson County, Colorado Nativity & Citizenship Distribution

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

Jefferson County, Colorado Historical Nativity Trends (2010–2024)

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

Jefferson County, Colorado Population & Nativity History

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	579,377	6.3%	93.7%
2023	579,715	6.1%	93.9%
2022	580,519	6.2%	93.8%
2021	580,130	6.3%	93.7%
2020	578,795	6.2%	93.8%
2019	574,798	6.4%	93.6%
2018	570,427	6.6%	93.4%
2017	564,029	6.7%	93.3%
2016	558,810	6.7%	93.3%
2015	552,344	6.5%	93.5%
2014	546,162	6.4%	93.6%
2013	540,669	6.2%	93.8%
2012	536,095	6.2%	93.8%
2011	532,243	6.1%	93.9%
2010	528,614	6.4%	93.6%

Nativity & Citizenship FAQs for Jefferson County, Colorado

Approximately 6.3% of residents in Jefferson County, Colorado were born outside the United States.

The vast majority of residents, roughly 97.3%, are U.S. citizens (including both native-born and naturalized citizens).

Compare Nativity Across Other Locations