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COUNTY · 2010 ACS

Jefferson County

Montana · 11,406 residents · 1,656.997 sq mi
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The short version

Jefferson County has roughly average household income, with a median household income of $56,695. Population has held roughly steady since 2000. Median home value has risen by half since 2000, reaching $225,300. With a median age of 46.2, the population is older than the US median of 37.2. Households here earn about 29% more than the Montana median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 46.2
US median: 37.2
More educated
32% hold a bachelor's degree
US average: 28%
Less affordable
home values up 39%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

11,406
+14%since 2000
from 10,049 in 2000
1990 – 2025
7 / sq mi
+14%since 2000
from 6 / sq mi in 2000
US average: 261
46.2
+15%since 2000
from 40.2 in 2000
US average: 37.2
Population, 19902024
7K9K10K12K13K1990201020202024Jefferson County
202413K
1990201020202024
Section 02

Income & economy

$56,695
+8%inflation adjusted, since 2000
from $41,506 in 2000
US average: $52,703
1990 – 2024
$26,437
+45%since 2000
from $18,250 in 2000
US average: $27,286
Households earning $100K+
34.9%
−0.4 ptssince 2009
from 35.3% in 2009
US average: 33.3%
12.8%
+3.8 ptssince 2000
from 9.0% in 2000
US average: 13.8%
0.397
US average: 0.461
Workforce by industry, 2010
Wholesale trade7.8%
US avg: 7.2%
Other services7.5%
US avg: 7%
Information7.3%
US avg: 11.5%
Agriculture, forestry, fishing6.5%
US avg: 1.9%
Public administration6.1%
US avg: 4.9%
Construction5%
US avg: 1.4%
Retail trade4.3%
US avg: 10.9%
Finance & insurance4.2%
US avg: 5.1%
Professional, scientific, technical3.5%
US avg: 4.2%
Transportation & warehousing2.2%
US avg: 3.1%
Manufacturing1.5%
US avg: 0.5%
Arts, entertainment, food1.4%
US avg: 2.4%
Education & health services0.6%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$225,300
+39%inflation adjusted, since 2000
from $127,700 in 2000
US average: $225,659
1990 – 2024
$637
+20%inflation adjusted, since 2000
from $419 in 2000
US average: $853
53.6%
−29.6 ptssince 2000
from 83.2% in 2000
16.2% rent
9.7%
−3.2 ptssince 2009
from 12.9% in 2009
US average: 12.1%
17.6%
+0.6 ptssince 2009
from 17.0% in 2009
US average: 30.9%
30.0%
+6.3 ptssince 2009
from 23.6% in 2009
US average: 46.8%
4.0
+29%since 2000
from 3.1 in 2000
1990 – 2024
RELATED:See current rent listings in Jefferson County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.2%(9,564)
Black0.1%(13)
Hispanic / Latino1.5%(149)
Asian0.4%(42)
Other0%
Diversity Score5.1%(516)
2010
White, non-Hispanic94%(10,724)
Black0.1%(16)
Hispanic / Latino2%(224)
Asian0.3%(39)
Other3.1%(353)
Diversity Score13.4%(1,524)
13
+160%since 2000
from 5 in 2000
1990 – 2024
Section 05

Education

32.0%
+4.4 ptssince 2000
from 27.7% in 2000
US average: 27.9%
High school or higher
92.2%
+2.0 ptssince 2000
from 90.2% in 2000
US average: 84.9%
12.2%
+3.2 ptssince 2000
from 8.9% in 2000
US average: 10.2%
Section 06

Commute & transportation

20.1 min
+35%since 2000
from 14.9 min in 2000
US average: 25.2
72.0%
+1.3 ptssince 2009
from 70.7% in 2009
US average: 76.2%
10.0%
−2.9 ptssince 2009
from 12.9% in 2009
US average: 10.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
14.4%
+1.6 ptssince 2009
from 12.8% in 2009
US average: 4.1%
2.2%
−0.2 ptssince 2009
from 2.4% in 2009
US average: 2.8%
0.1%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
3.0%
+0.8 ptssince 2009
from 2.2% in 2009
US average: 8.7%
Section 07

Work & employment

18.3%
−2.2 ptssince 2009
from 20.4% in 2009
US average: 12.9%
40.5%
−26.1 ptssince 2009
from 66.6% in 2009
US average: 35.2%
Section 08

People & community

52.0%
+2.0 ptssince 2009
from 50.0% in 2009
48.0%
−2.0 ptssince 2009
from 50.0% in 2009
1.3%
−0.2 ptssince 2009
from 1.5% in 2009
US average: 12.8%
15.5%
−34.9 ptssince 2009
from 50.4% in 2009
US average: 9.9%
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Frequently asked

How many people live in Jefferson County, Montana?

Jefferson County, Montana has about 11,406 residents according to the 2010 American Community Survey.

What is the median household income in Jefferson County, Montana?

The typical household in Jefferson County, Montana earns about $56,695 a year. Half of households make more than that, and half make less.

Is Jefferson County, Montana expensive?

In Jefferson County, Montana, the median home is worth about $225,300, and the typical rent is about $637 a month.

How educated are people in Jefferson County, Montana?

About 32.0% of adults age 25 and over in Jefferson County, Montana hold a bachelor's degree or higher.

What is the poverty rate in Jefferson County, Montana?

About 12.8% of people in Jefferson County, Montana live below the federal poverty line.

Has Jefferson County, Montana grown since 1990?

Yes, Jefferson County, Montana has grown since 1990. The population has added about 3,467 residents, a change of about 44 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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