Petroleum County, Montana Nativity & Citizenship Status (2024)

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

Demographics Overview

Race & Ethnicity

Household Income

Nativity & Citizenship

Health Insurance

Class of Worker

Petroleum County, Montana Nativity & Citizenship Indicators (2024)

Native Born

99.1%

Foreign Born

0.9%

Naturalized

0.9%

US Citizens

100.0%

Petroleum County, Montana Nativity & Citizenship Distribution

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

Petroleum 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.

Petroleum County, Montana Population & Nativity History

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	447	0.9%	99.1%
2023	401	1.0%	99.0%
2022	416	1.2%	98.8%
2021	434	2.8%	97.2%
2020	464	2.4%	97.6%
2019	453	4.4%	95.6%
2018	432	1.4%	98.6%
2017	453	1.5%	98.5%
2016	445	0.7%	99.3%
2015	443	0.5%	99.5%
2014	489	0.4%	99.6%
2013	538	0.4%	99.6%
2012	566	0.4%	99.6%
2011	568	0.0%	100.0%
2010	598	0.0%	100.0%

Nativity & Citizenship FAQs for Petroleum County, Montana

Approximately 0.9% of residents in Petroleum County, Montana were born outside the United States.

The vast majority of residents, roughly 100.0%, are U.S. citizens (including both native-born and naturalized citizens).

Compare Nativity Across Other Locations