With 9,507 people, Mountrail County is a county in North Dakota. Few US counties rank higher on income. The population is up 43% since 2000. Density works out to 5 people per square mile. 23% of adults hold a bachelor's degree, below the 36% national rate. The median age is 35.4, younger than the US median of 38.9.
At a glance
Average income
median household income $80,717, near the US median
US median: $82,259
Younger
median age 35.4
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
Less affordable
home values up 215%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Mountrail County
What changed most since 1990
Median home value (2024 dollars)$77,042 → $232,700(+202%)US over the same years: +67%
Homes owned by their occupants75.4% → 61.5%(−13.9 pts)US over the same years: +0.9 pts
Median household income (2024 dollars)$46,559 → $80,717(+73%)US over the same years: +14%
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)7.8%(30)
US avg: 26.4%
Gulf War (1990s)24.9%(96)
US avg: 24.3%
Vietnam era38.6%(149)
US avg: 33.1%
Korean War6.2%(24)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 386 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
Over time
Mountrail County, decade by decade
Mountrail County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
7,021
$46,559
$77,042
12.9%
40.9
2000
6,631
$49,363
$73,777
15.6%
57.6
2010
7,673
$77,556
$96,240
19.9%
60.5
2020
9,809
$85,342
$207,865
21.5%
73.2
2024
9,507
$80,717
$232,700
22.7%
71.1
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Mountrail County, North Dakota?
Mountrail County, North Dakota has about 9,507 residents according to the 2024 American Community Survey.
What is the median household income in Mountrail County, North Dakota?
The typical household in Mountrail County, North Dakota earns about $80,717 a year. Half of households make more than that, and half make less.
Is Mountrail County, North Dakota expensive?
In Mountrail County, North Dakota, the median home is worth about $232,700, and the typical rent is about $950 a month.
How educated are people in Mountrail County, North Dakota?
About 22.7% of adults age 25 and over in Mountrail County, North Dakota hold a bachelor's degree or higher.
What is the poverty rate in Mountrail County, North Dakota?
About 14.5% of people in Mountrail County, North Dakota live below the federal poverty line.
Has Mountrail County, North Dakota grown since 1990?
Yes, Mountrail County, North Dakota has grown since 1990. The population has added about 2,486 residents, a change of about 35 percent over that period.