Yellowstone County, Montana

13 cities & places have their primary county here.

Population: 167,340
Median household income: $74,400
Median home value: $317,600

Yellowstone County, Montana counts 167,340 residents. 13 cities and places have their primary county here. At $74,400, its median household income sits above Montana's $69,922.

Between 2019 and 2023, Yellowstone County's population grew 5.2% from 159,008 to 167,340, while its median household income rose 21.4% from $61,264 to $74,400.

Owners occupy 69.3% of the area's occupied homes. The median resident is 38.7 years old.

Demographics

ACS 2019–2023

Population: 167,340
Median age: 38.7 yrs
Median household income: $74,400
Median home value: $317,600
Median gross rent: $1,084
Housing units: 73,363
Homeownership rate: 69.3%
Bachelor's degree or higher: 33.9%
Unemployment rate: 3.4%

Trends

ACS 5-year · 2019–2023

Population

159,008167,340

Median household income

$61,264$74,400

Median home value

$226,000$317,600

Median gross rent

$892$1,084

Year	Population	Median household income	Median home value	Median gross rent
2019	159,008	$61,264	$226,000	$892
2020	160,390	$62,630	$238,700	$910
2021	163,593	$65,656	$253,700	$963
2022	165,524	$72,300	$289,300	$1,055
2023	167,340	$74,400	$317,600	$1,084

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

Age distribution

Under 55.7%

5 to 1717.5%

18 to 247.9%

25 to 3413.8%

35 to 4413.4%

45 to 5411.3%

55 to 6412.5%

65 to 7410.6%

75 and over7.2%

	Count	Share
Under 5	9,608	5.7%
5 to 17	29,234	17.5%
18 to 24	13,214	7.9%
25 to 34	23,138	13.8%
35 to 44	22,403	13.4%
45 to 54	18,898	11.3%
55 to 64	20,996	12.5%
65 to 74	17,797	10.6%
75 and over	12,052	7.2%

Race & ethnicity

	Count	Share
White (non-Hispanic)	140,456	83.9%
Black or African American	824	0.5%
American Indian & Alaska Native	6,385	3.8%
Asian	1,294	0.8%
Native Hawaiian & Pacific Islander	74	0.0%
Some other race	938	0.6%
Two or more races	6,652	4.0%
Hispanic or Latino (any race)	10,717	6.4%

Educational attainment (age 25+)

No high school diploma4.7%

High school graduate29.6%

Some college or associate's31.7%

Bachelor's degree23.3%

Graduate or professional degree10.7%

	Count	Share
No high school diploma	5,455	4.7%
High school graduate	34,172	29.6%
Some college or associate's	36,550	31.7%
Bachelor's degree	26,806	23.3%
Graduate or professional degree	12,301	10.7%

Commute to work

Mean travel time to work: 19 min

Drove alone77.9%

Carpooled9.7%

Public transit0.9%

Walked2.0%

Bicycle0.5%

Worked from home8.0%

Other means0.9%

How workers get to work

	Count	Share
Drove alone	65,157	77.9%
Carpooled	8,149	9.7%
Public transit	743	0.9%
Walked	1,633	2.0%
Bicycle	433	0.5%
Worked from home	6,705	8.0%
Other means	786	0.9%

Travel time

	Count	Share
Under 15 min	29,245	38.0%
15 to 29 min	36,050	46.9%
30 to 44 min	7,907	10.3%
45 to 59 min	1,318	1.7%
60+ min	2,381	3.1%

Households

Average household size: 2.37
Poverty rate: 10.2% (16,737 of 163,620)

	Count	Share
Family households	42,870	61.9%
Nonfamily households	26,402	38.1%

Housing

Median year structure built: 1982

Occupancy

	Count	Share
Occupied	69,272	94.4%
Vacant	4,091	5.6%

Tenure (of occupied units)

	Count	Share
Owner-occupied	48,014	69.3%
Renter-occupied	21,258	30.7%

1-unit, detached65.5%

1-unit, attached5.7%

2 to 4 units7.5%

5 to 19 units5.9%

20 or more units5.2%

Mobile home & other10.0%

Units in structure

	Count	Share
1-unit, detached	48,075	65.5%
1-unit, attached	4,178	5.7%
2 to 4 units	5,532	7.5%
5 to 19 units	4,363	5.9%
20 or more units	3,849	5.2%
Mobile home & other	7,366	10.0%

Geography

County GEOID: 30111
State: Montana
Land area: 2,633 sq mi
Water area: 16 sq mi
Center point: 45.9370, -108.2767