United States › Montana › Yellowstone County COUNTY · 2000 CENSUS
Yellowstone County Montana · 129,352 residents · 2,633 sq mi
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The short version
With 129,352 people, Yellowstone County is a county in Montana. The average commute runs 11 minutes. The population is up 14% since 1990. Home values have risen by half since 1990, reaching $97,200. Median household income is $36,727, under the $42,589 national median. 26% of adults hold a bachelor's degree or higher.
At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 36.9
US median: 35.2
Average education
26% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 33.5 in 1990
US average: 35.2
Population, 1990 – 2024
108K 125K 141K 158K 175K 1990 2000 2010 2020 2024 Yellowstone County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $36,727
+7%inflation adjusted, since 1990
from $25,942 in 1990
US average: $42,589
from $12,416 in 1990
US average: $21,522
from 12.1% in 1990
US average: 12.4%
$97,200
+18%inflation adjusted, since 1990
from $62,700 in 1990
US average: $120,530
$474
+5%inflation adjusted, since 1990
from $343 in 1990
US average: $602
from 65.7% in 1990
30.8% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 95.3%(108,075)
Hispanic / Latino 2.7%(3,045)
2000
White, non-Hispanic 91%(117,698)
Hispanic / Latino 3.7%(4,788)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 3 more hispanic origin groups with data Ancestry
+ 37 more ancestry groups with data from 21.5% in 1990
US average: 24.4%
High school or higher
from 83.7% in 1990
US average: 80.3%
from 5.6% in 1990
US average: 8.8%
Section 06
Commute & transportation from 16.6 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Men 15+
Never married 26.7%(12,998)
Women 15+
Never married 21.6%(11,497)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 15.6% in 2013
US average: 8.4%
from 57.3% in 2020
US average: 54.8%
Direct-purchase
from 15.0% in 2020
US average: 13.8%
from 18.4% in 2020
US average: 18.4%
from 19.6% in 2020
US average: 20.9%
VA health care
from 3.9% in 2020
US average: 2.2%
Any private
from 71.4% in 2020
US average: 67.1%
Any public
from 36.4% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 24.2%(2,936)
Gulf War (1990s) 21.7%(2,632)
Share of the 12,127 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Yellowstone County Head to head
Compare Yellowstone County to nearby counties YELLOWSTONE COUNTY VS
Musselshell County
Income $58,920 +60%
Home value $235,000 +142%
Population 5,582 −97%
SEE FULL COMPARISON →
YELLOWSTONE COUNTY VS
Big Horn County
Income $58,750 +60%
Home value $143,400 +48%
Population 12,752 −93%
SEE FULL COMPARISON →
YELLOWSTONE COUNTY VS
Treasure County
Income $67,917 +85%
Home value $230,300 +137%
Population 728 −100%
SEE FULL COMPARISON →
YELLOWSTONE COUNTY VS
Golden Valley County
Income $58,333 +59%
Home value $212,200 +118%
Population 844 −100%
SEE FULL COMPARISON →
Frequently asked
How many people live in Yellowstone County, Montana? Yellowstone County, Montana has about 129,352 residents according to the 2000 Census.
What is the median household income in Yellowstone County, Montana? The typical household in Yellowstone County, Montana earns about $36,727 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 $97,200, and the typical rent is about $474 a month.
How educated are people in Yellowstone County, Montana? About 26.4% 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 11.1% of people in Yellowstone County, Montana live below the federal poverty line.
Has Yellowstone County, Montana grown since 1990? Yes, Yellowstone County, Montana has grown since 1990. The population has added about 15,933 residents, a change of about 14 percent over that period.
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