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.
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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%.
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.
Overall Poverty Rate
Male Poverty Rate
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%.
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Jefferson County, Montana
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.