Jefferson County, Montana's estimated population is 12,602 with a growth rate of 1.02% in the past year according to the most recent United States census data. Jefferson County, Montana is the 16th largest county in Montana. The 2010 Population was 11,407 and has seen a growth of 10.48% since this time.
Year | Population | Growth | Annual Growth Rate |
---|---|---|---|
1870 | 1,531 | 0.00% | |
1880 | 2,464 | 933 | 60.94% |
1890 | 6,026 | 3,562 | 144.56% |
1900 | 5,330 | -696 | -11.55% |
1910 | 5,601 | 271 | 5.08% |
1920 | 5,203 | -398 | -7.11% |
1930 | 4,133 | -1,070 | -20.57% |
1940 | 4,664 | 531 | 12.85% |
1950 | 4,014 | -650 | -13.94% |
1960 | 4,297 | 283 | 7.05% |
1970 | 5,238 | 941 | 21.90% |
1980 | 7,029 | 1,791 | 34.19% |
1990 | 7,939 | 910 | 12.95% |
2010 | 11,407 | 3,468 | 43.68% |
2011 | 11,375 | -32 | -0.28% |
2012 | 11,318 | -57 | -0.50% |
2013 | 11,455 | 137 | 1.21% |
2014 | 11,502 | 47 | 0.41% |
2015 | 11,572 | 70 | 0.61% |
2016 | 11,779 | 207 | 1.79% |
2017 | 11,921 | 142 | 1.21% |
2018 | 12,094 | 173 | 1.45% |
2019 | 12,221 | 127 | 1.05% |
2020 | 12,348 | 127 | 1.04% |
2021 | 12,475 | 127 | 1.03% |
2022 | 12,602 | 127 | 1.02% |
Race | Population | Percentage |
---|---|---|
White | 11,328 | 93.86% |
Black or African American | 82 | 0.68% |
American Indian and Alaska Native | 122 | 1.01% |
Asian | 8 | 0.07% |
Some Other Race | 146 | 1.21% |
Two or More Races | 383 | 3.17% |
Type | Count | Average Size | Owned |
---|---|---|---|
All | 4,445 | 2.65 | 84.2 |
Married | 2,939 | 3.08 | 90.4 |
Male | 164 | 2.99 | 57.9 |
Female | 217 | 3.87 | 70.5 |
Non Family | 1,125 | 1.27 | 74.6 |
3.04
Average Family Size
2.65
Average Household Size
Education Attained | Count | Percentage |
---|---|---|
Less Than 9th Grade | 115 | 1.31% |
9th to 12th Grade | 326 | 3.72% |
High School Graduate | 2,411 | 27.51% |
Some College | 1,818 | 20.74% |
Associates Degree | 1,007 | 11.49% |
Bachelors Degree | 2,132 | 24.33% |
Graduate Degree | 955 | 10.90% |
Race | Total | High School | Bachelors |
---|---|---|---|
Black | 68 | 68 | 62 |
White | 8,288 | 7,884 | 2,972 |
Hispanic | 114 | 92 | 30 |
2+ Races | 242 | 242 | 25 |
Other Race | 10 | 1 | 1 |
Asian | 8 | 8 | |
Native American | 49 | 34 |
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 91.18%.
$41,201
Average Earnings
$50,890
Average Male
$29,000
Average Female
98.26% of Jefferson County, Montana residents speak only English, while 1.74% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.88% of the population.
Name | Total | In Poverty | Poverty Rate |
---|---|---|---|
White | 11,042 | 726 | 6.57% |
Other | NaN% | ||
Hispanic | 307 | 27 | 8.79% |
Multiple | 379 | 18 | 4.75% |
6.48%
Overall Poverty Rate
5.78%
Male Poverty Rate
7.21%
Female Poverty Rate
The race most likely to be in poverty in Jefferson County, Montana is White, with 6.57% below the poverty level.
The race least likely to be in poverty in Jefferson County, Montana is Multiple, with 4.75% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.42%. Among those working part-time, it was 6.62%, and for those that did not work, the poverty rate was 13.37%.
62.4%
Overall Marriage Rate
61.6%
Male Marriage Rate
63.2%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Name | Veterans | % of Total |
---|---|---|
White | 1,174 | 12.92% |
Native American | 10 | 16.95% |
2+ Races | 19 | 6.23% |
Hispanic | 3 | 2.22% |
1.10%
Veteran Poverty Rate
44.42%
Veteran Disability Rate
58.4%
Labor Force Participation
56.4%
Employment Rate
3.4%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
51.26%
Born in Jefferson County, Montana
98.48%
Native Born
1.52%
Foreign Born
0.70%
Non Citizen
0.81%
Naturalized
98.48% of Jefferson County, Montana residents were born in the United States, with 51.26% having been born in Montana. 0.70% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.