Mountrail County, ND demographics:
population, income, and more

Total population
9,507
-0.6% year-over-year change
Median household income
$80,717/yr
-0.7% year-over-year change
Housing units
5,099
0.5% year-over-year change

Mountrail County population

How many people live in Mountrail County

Mountrail County is home to 9,507 residents, according to the most recent Census data. Gender-wise, 51.2% of Mountrail County locals are male, and 48.8% are female.

Total population
9,507
-0.6% year-over-year change
Gender ratio
Male
51.2%
4,868
Female
48.8%
4,639
Value Percent YoY change
Male 4,868 51.2% -2.2%
Female 4,639 48.8% 1.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Mountrail County is 35, with the population distributed as follows: about 24.4% are children under 15, then 13% are in the 15 to 24 age group. Adults between 25 and 44 make up 26% of the population, while another 23.1% fall into the 45 to 64 bracket. Finally, around 13.5% are 65 or older.

Median age
35.4
Age breakdown
Under 15
24.4%
15 to 24
13%
25 to 44
26%
45 to 64
23.1%
Over 65
13.5%
Value Percent YoY change
Under 15 2,322 24.4% -0.3%
15 to 24 1,233 13% 7.7%
25 to 44 2,470 26% -5.8%
45 to 64 2,197 23.1% -1.2%
Over 65 1,285 13.5% 2.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Mountrail County, 94.9% of the population are US-born citizens, while 2.5% have gained naturalized citizenship. At the same time, 2.6% of residents are non-citizens. As for race, 57.7% of locals are Caucasian, 1.8% are African American and 0.6% have Asian roots. Another 28.9% are Indigenous American, 0.2% are Pacific Islanders, while 2.6% identify as another race. There’s also a share of 8.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.9%
Non-U.S.-born citizens
2.5%
Non-citizens
2.6%
Value Percent YoY change
U.S.-born citizens 9,021 94.9% -2.0%
Non-U.S.-born citizens 236 2.5% 7.3%
Non-citizens 250 2.6% 78.6%
Racial breakdown
White
57.7%
Black or African American
1.8%
American Indian and Alaska Native
28.9%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0.2%
Two or more races
8.2%
Other
2.6%
Value Percent
White 5,485 57.7%
Black or African American 175 1.8%
American Indian and Alaska Native 2,750 28.9%
Asian 54 0.6%
Native Hawaiian and other Pacific Islander 15 0.2%
Two or more races 779 8.2%
Other 249 2.6%

Households in Mountrail County

A peek inside Mountrail County households

Mountrail County has 3,901 households, with an average of 2 members in each. Of these, 61.9% are families, while the remaining 38.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,901
1.6% year-over-year change
Average people per household
2
Non-family households
1,485
Family households
2,416
Value Percent YoY change
Non-family households 1,485 38.1% -5.2%
Family households 2,416 61.9% 6.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Mountrail County

The housing landscape of Mountrail County

Mountrail County's housing consists of 5,099 units, with 56.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 19.3% of the housing landscape.

Housing units
5,099
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 2,879 56.5%
1 unit, attached 265 5.2%
2 units 99 1.9%
3 or 4 units 227 4.4%
5 to 9 units 203 4%
10 to 19 units 108 2.1%
20 to 49 units 200 3.9%
50 or more units 73 1.4%
Mobile home 983 19.3%
Boat, RV, van, etc. 62 1.2%
Homes built since 2020
51
34.2% year-over-year change

The age of buildings in Mountrail County

In Mountrail County, the median construction year is 1997. About 10.5% of homes were built before the 1940s, with another 3.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 16.1% of homes were added from 2000 to 2009, 30.1% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 536 10.5% -16.8%
Built between 1940 and 1949 183 3.6% -9.8%
Built between 1950 and 1959 248 4.9% -13.9%
Built between 1960 and 1969 408 8% -3.3%
Built between 1970 and 1979 522 10.2% -1.9%
Built between 1980 and 1989 340 6.7% -28.0%
Built between 1990 and 1999 457 9% 8.8%
Built between 2000 and 2009 819 16.1% 21.9%
Built between 2010 and 2019 1,535 30.1% 11.1%
Built in 2020 or later 51 1% 34.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Mountrail County occupancy rates

Out of the 3,901 occupied housing units in Mountrail County, 61.6% are owner-occupied, while 38.4% are lived in by tenants. Meanwhile, 23.5% of all homes on the local market sit vacant.

Occupied housing units
3,901
1.6% year-over-year change
Occupancy breakdown
Renter occupied
1,500
Owner occupied
2,401
Value Percent YoY
change
Renter occupied 1,500 38.4% -2.3%
Owner occupied 2,401 61.6% 4.2%
Unoccupied housing units
23.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Mountrail County housing costs

Housing costs in Mountrail County come to a median of $786 per month, while tenants specifically pay a median gross rent of $950.

Median housing costs per month
$786/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Mountrail County
$950/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Mountrail County

Mountrail County education at a glance

About 40.2% of the population in Mountrail County went to high school, while 21.6% pursued college studies. Another 13.8% earned an associate degree and 13.1% hold a bachelor’s. Meanwhile, 7.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 252 3.7% 8.2%
High school diploma 2,716 40.2% -4.5%
College diploma 1,458 21.6% -7.7%
Associate degree 928 13.8% 18.8%
Bachelor's degree 884 13.1% -1.8%
Graduate degree 509 7.5% 2.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Mountrail County

How much people earn in Mountrail County

The average annual household income in Mountrail County was $106,551 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.5% change from the previous year. At the same time, the median income stood at $80,717, reflecting a -0.7% shift over the same period.

Average household income in Mountrail County
$106,551/year
3.5% year-over-year change
Median household income in Mountrail County
$80,717/year
-0.7% year-over-year change

Mountrail County income by age

In Mountrail County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $91,339. Those with someone between 45 and 64 in charge, often well established professionally, earn $90,500 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $73,241, while those led by someone over 65, many of whom may be retired, have about $59,167 in earnings. Overall, 85.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $73,241 2.7%
25 - 44 $91,339 9.5%
45 - 64 $90,500 -11.9%
Over 65 $59,167 4.3%
Above poverty level
7,901
Below poverty level
1,356
Value Percent YoY
change
Above poverty level 7,901 85.4% -1.7%
Below poverty level 1,356 14.6% 9.0%

Employment in Mountrail County

Workforce and job types in Mountrail County

The job market in Mountrail County is powered by 4,413 working residents, spread across a range of industries and roles. 73.8% of the working population are employed in professional or administrative positions, while 26.2% are in hands-on or service-based jobs. Also, 10.2% run their own businesses, 61.5% are employed by private companies, and 19.6% work in the public sector.

Workforce demographics

Working population
4,413
0.7% year-over-year change
White collar
3,255
Blue collar
1,158
Value Percent YoY change
White collar 3,255 73.8% 1.1%
Blue collar 1,158 26.2% -0.5%
Employer type
Self employees
10.2%
Private companies
61.5%
Governmental workers
19.6%
Not for profit companies
8.7%
Value Percent YoY change
Self employees 452 10.2% -12.9%
Private companies 2,715 61.5% 6.3%
Governmental workers 863 19.6% -14.2%
Not for profit companies 383 8.7% 26.0%
Unemployment rate
1.1%
-63.9% year-over-year change

Available workforce

The unemployment rate in Mountrail County stands at 1.1%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Mountrail County

How people get around in Mountrail County

Commuting methods vary: 91.3% of residents travel by personal vehicle and 3.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 3,931 91.3% 0.4%
Walk 166 3.9% -0.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Mountrail County by zipcode?

Zipcode Population Number of households Median income Average income
58718 886 380 $82,500 $104,204
58734 202 100 $76,250 $105,976
58756 165 76 $77,188 $146,896
58763 4,426 1,827 $58,110 $84,428
58769 154 71 $36,875 $64,324
58770 1,369 599 $65,341 $95,771
58771 585 265 $88,558 $98,644
58773 1,036 389 $103,750 $152,969
58776 264 144 $83,155 $86,756
58784 2,756 1,129 $116,616 $126,050

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FAQs about Mountrail County demographics 

What is the total population of Mountrail County?

Mountrail County has a total population of 9,507 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.6% compared to a year ago.

What is the gender ratio in Mountrail County?

The gender ratio in Mountrail County is as follows:
  • 51.2% males (4,868 residents)
  • 48.8% females (4,639 residents)

What is the median age in Mountrail County?

The median age in Mountrail County is 35.4.

What is the age distribution of the population in Mountrail County?

The age distribution in Mountrail County is as follows:
  • Under 15: 24.4% (2,322 residents)
  • Ages 15-24: 13% (1,233 residents)
  • Ages 25-44: 26% (2,470 residents)
  • Ages 45-64: 23.1% (2,197 residents)
  • Over 65: 13.5% (1,285 residents)

What is the racial and ethnic makeup of Mountrail County?

The racial and ethnic makeup of Mountrail County is as follows:
  • White: 57.7% (5,485 residents)
  • Black or African American: 1.8% (175 residents)
  • American Indian and Alaska Native: 28.9% (2,750 residents)
  • Asian: 0.6% (54 residents)
  • Native Hawaiian and Other Pacific Islander: 0.2% (15 residents)
  • Two or More Races: 8.2% (779 residents)
  • Other: 2.6% (249 residents)

What percentage of the population in Mountrail County are U.S.-born citizens?

U.S.-born citizens represent 94.9% of the population in Mountrail County.

How many housing units are there in Mountrail County?

There are 5,099 housing units in Mountrail County, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Mountrail County and what is the average household size?

Mountrail County has a total of 3,901 households, with an average of 2 people in each.

What is the median household income in Mountrail County?

Mountrail County has a median household income of $80,717, representing a -0.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Mountrail County?

The employment rate is 98.9% in Mountrail County, with a workforce of 4,413 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 73.8% (3,255 residents)
  • Blue-collar workers: 26.2% (1,158 residents)

Places of employment:
  • Self-employed: 10.2% (452 residents)
  • Private companies: 61.5% (2,715 residents)
  • Governmental workers: 19.6% (863 residents)
  • Not-for-profit companies: 8.7% (383 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025