Custer County, Montana

2 cities & places have their primary county here.

Population: 11,938
Median household income: $63,585
Median home value: $204,200

Home to 11,938 residents, Custer County is one of Montana's counties. 2 cities and places have their primary county here. The median household income of $63,585 is below the Montana median ($69,922).

From 2019 to 2023, Custer County's population grew 1.8% from 11,729 to 11,938, while its median household income rose 20.1% from $52,965 to $63,585.

The largest age group is 5 to 17, 14.9% of residents. White (non-Hispanic) residents are the largest group, 89.5% of the population.

Demographics

ACS 2019–2023

Population: 11,938
Median age: 42.6 yrs
Median household income: $63,585
Median home value: $204,200
Median gross rent: $918
Housing units: 5,770
Homeownership rate: 68.5%
Bachelor's degree or higher: 29.8%
Unemployment rate: 2.7%

Trends

ACS 5-year · 2019–2023

Population

11,72911,938

Median household income

$52,965$63,585

Median home value

$170,400$204,200

Median gross rent

$758$918

Year	Population	Median household income	Median home value	Median gross rent
2019	11,729	$52,965	$170,400	$758
2020	11,563	$54,891	$174,500	$881
2021	11,968	$55,426	$186,000	$863
2022	11,957	$61,114	$201,000	$872
2023	11,938	$63,585	$204,200	$918

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.0%

5 to 1714.9%

18 to 248.0%

25 to 3411.9%

35 to 4413.3%

45 to 5411.6%

55 to 6414.9%

65 to 7412.2%

75 and over8.2%

	Count	Share
Under 5	598	5.0%
5 to 17	1,783	14.9%
18 to 24	955	8.0%
25 to 34	1,421	11.9%
35 to 44	1,583	13.3%
45 to 54	1,384	11.6%
55 to 64	1,780	14.9%
65 to 74	1,457	12.2%
75 and over	977	8.2%

Race & ethnicity

	Count	Share
White (non-Hispanic)	10,682	89.5%
Black or African American	42	0.4%
American Indian & Alaska Native	149	1.2%
Asian	48	0.4%
Native Hawaiian & Pacific Islander	12	0.1%
Some other race	24	0.2%
Two or more races	586	4.9%
Hispanic or Latino (any race)	395	3.3%

Educational attainment (age 25+)

No high school diploma5.3%

High school graduate29.9%

Some college or associate's35.0%

Bachelor's degree22.1%

Graduate or professional degree7.7%

	Count	Share
No high school diploma	455	5.3%
High school graduate	2,572	29.9%
Some college or associate's	3,012	35.0%
Bachelor's degree	1,900	22.1%
Graduate or professional degree	663	7.7%

Commute to work

Mean travel time to work: 14 min

Drove alone70.3%

Carpooled17.8%

Public transit0.1%

Walked5.1%

Bicycle0.0%

Worked from home5.8%

Other means1.0%

How workers get to work

	Count	Share
Drove alone	4,339	70.3%
Carpooled	1,102	17.8%
Public transit	4	0.1%
Walked	313	5.1%
Bicycle	0	0.0%
Worked from home	356	5.8%
Other means	61	1.0%

Travel time

	Count	Share
Under 15 min	4,259	73.2%
15 to 29 min	953	16.4%
30 to 44 min	331	5.7%
45 to 59 min	56	1.0%
60+ min	220	3.8%

Households

Average household size: 2.28
Poverty rate: 11.7% (1,344 of 11,514)

	Count	Share
Family households	3,004	59.6%
Nonfamily households	2,040	40.4%

Housing

Median year structure built: 1963

Occupancy

	Count	Share
Occupied	5,044	87.4%
Vacant	726	12.6%

Tenure (of occupied units)

	Count	Share
Owner-occupied	3,455	68.5%
Renter-occupied	1,589	31.5%

1-unit, detached68.9%

1-unit, attached2.4%

2 to 4 units5.5%

5 to 19 units6.5%

20 or more units5.4%

Mobile home & other11.3%

Units in structure

	Count	Share
1-unit, detached	3,973	68.9%
1-unit, attached	139	2.4%
2 to 4 units	317	5.5%
5 to 19 units	376	6.5%
20 or more units	312	5.4%
Mobile home & other	653	11.3%

Geography

County GEOID: 30017
State: Montana
Land area: 3,783 sq mi
Water area: 9.89 sq mi
Center point: 46.2614, -105.5504