COUNTY · 1990 CENSUS

Yellowstone County

Montana · 113,419 residents · 2,633.256 sq mi

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The short version

Yellowstone County has lower-than-average household income, with a median household income of $25,942. Population has declined 12% since 2000. Median home value is $62,700.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 33.5

US median: 33.0

Average education

22% hold a bachelor's degree

US average: 20%

More affordable

home values down 15%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

113,419

−12%vs 2000

vs 129,352 in 2000

1990 – 2025

Population density

43 / sq mi

−12%vs 2000

vs 49 / sq mi in 2000

US average: 221

Median age

33.5

−9%vs 2000

vs 36.9 in 2000

US average: 33.0

Population, 1990 – 2024

2024169K

Section 02

Income & economy

Median household income

$25,942

−7%inflation adjusted, since 2000

vs $36,727 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,416

−36%vs 2000

vs $19,303 in 2000

US average: $14,340

Poverty rate

12.1%

+1.0 ptsvs 2000

vs 11.1% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$62,700

−15%inflation adjusted, since 2000

vs $97,200 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$343

−5%inflation adjusted, since 2000

vs $474 in 2000

US average: $450

Owner-occupied

65.7%

−3.4 ptsvs 2000

vs 69.2% in 2000

34.3% rent

Afford Score

2.4

−9%vs 2000

vs 2.6 in 2000

1990 – 2024

RELATED:See current rent listings in Yellowstone County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic91%(117,698)

Black0.4%(542)

Hispanic / Latino3.7%(4,788)

Asian0.5%(666)

Other0%

Diversity Score11.6%(15,046)

1990

White, non-Hispanic95.3%(108,075)

Black0.3%(380)

Hispanic / Latino2.7%(3,045)

Asian0.4%(463)

Other4%(4,501)

Diversity Score17.1%(19,376)

Diversity Score

+47%vs 2000

vs 12 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

21.5%

−4.9 ptsvs 2000

vs 26.4% in 2000

US average: 20.3%

High school or higher

83.7%

−4.8 ptsvs 2000

vs 88.5% in 2000

US average: 75.2%

Graduate degree

5.6%

−1.7 ptsvs 2000

vs 7.3% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

16.6 min

+49%vs 2000

vs 11.1 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Yellowstone County

Head to head

Compare Yellowstone County to nearby counties

YELLOWSTONE COUNTY VS

Musselshell County

Income$58,920+127%

Home value$235,000+275%

Population5,582−97%

SEE FULL COMPARISON →

YELLOWSTONE COUNTY VS

Big Horn County

Income$58,750+126%

Home value$143,400+129%

Population12,752−93%

SEE FULL COMPARISON →

YELLOWSTONE COUNTY VS

Treasure County

Income$67,917+162%

Home value$230,300+267%

Population728−100%

SEE FULL COMPARISON →

YELLOWSTONE COUNTY VS

Golden Valley County

Income$58,333+125%

Home value$212,200+238%

Population844−100%

SEE FULL COMPARISON →

Frequently asked

How many people live in Yellowstone County, Montana?

Yellowstone County, Montana has about 113,419 residents according to the 1990 Census.

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

The typical household in Yellowstone County, Montana earns about $25,942 a year. Half of households make more than that, and half make less.

Is Yellowstone County, Montana expensive?

In Yellowstone County, Montana, the median home is worth about $62,700, and the typical rent is about $343 a month.

How educated are people in Yellowstone County, Montana?

About 21.5% of adults age 25 and over in Yellowstone County, Montana hold a bachelor's degree or higher.

What is the poverty rate in Yellowstone County, Montana?

About 12.1% of people in Yellowstone County, Montana live below the federal poverty line.

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

How we source and harmonize this data →