Jefferson County, Montana Nativity & Citizenship Status (2024)

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

Demographics Overview

Race & Ethnicity

Household Income

Nativity & Citizenship

Health Insurance

Class of Worker

Jefferson County, Montana Nativity & Citizenship Indicators (2024)

Native Born

99.0%

Foreign Born

1.0%

Naturalized

0.8%

US Citizens

99.8%

Jefferson County, Montana Nativity & Citizenship Distribution

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

Jefferson County, Montana 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, Montana Population & Nativity History

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	12,774	1.0%	99.0%
2023	12,501	2.2%	97.8%
2022	12,273	2.2%	97.8%
2021	12,057	1.7%	98.3%
2020	12,069	1.5%	98.5%
2019	11,917	1.1%	98.9%
2018	11,778	0.6%	99.4%
2017	11,625	1.4%	98.6%
2016	11,601	1.4%	98.6%
2015	11,502	1.5%	98.5%
2014	11,465	1.7%	98.3%
2013	11,434	1.5%	98.5%
2012	11,360	1.8%	98.2%
2011	11,281	1.7%	98.3%
2010	11,166	1.3%	98.7%

Nativity & Citizenship FAQs for Jefferson County, Montana

Approximately 1.0% of residents in Jefferson County, Montana were born outside the United States.

The vast majority of residents, roughly 99.8%, are U.S. citizens (including both native-born and naturalized citizens).

Compare Nativity Across Other Locations