Cavalier County, North Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 31st-largest in North Dakota
The population of Cavalier County, North Dakota is 3,663 as of the 2023 American Community Survey, making it the 31st-largest county in North Dakota. The median household income is $67,064, the median home value is $122,300, and the median age is 47.1.
The population of Cavalier County has declined 10.5% since 2010 (3,986 → 3,567), a -0.79% annualized rate.
3,663
Population
-0.79%
Annual growth
2
People / sq mi
$67,064
Median Income
$122,300
Median Home Value
Cavalier County covers 1,489 sq mi of land at 2.5 people per square mile.
About Cavalier County, ND
Cavalier County is a county in North Dakota with a population of 3,663. It ranks #31 among counties in North Dakota by population. The median age is 47.1, older than the national median. The population is 52.1% male and 47.9% female.
The median household income in Cavalier County is $67,064, below the US median of $74,580. 5.2% of residents live below the federal poverty level. Home values sit at a median of $122,300, with monthly rent averaging $859. The homeownership rate of 82.8% is higher than the national rate of 64.8%.
Educational attainment in Cavalier County reflects 22.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 16.4 minutes each way.
Cavalier County Population History (2010-2024)
The county of Cavalier County had a population of 3,986 in 2010 and 3,567 in 2024, a -10.5% growth over 14 years. The peak was 3,986 in 2010. Average annual growth rate: -0.79%.
3,567
Population (2024)
3,986
Population (2010)
3,986
Peak (2010)
-0.79%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 3,986 |
| 2011 | 3,944 |
| 2012 | 3,921 |
| 2013 | 3,854 |
| 2014 | 3,843 |
| 2015 | 3,824 |
| 2016 | 3,815 |
| 2017 | 3,787 |
| 2018 | 3,797 |
| 2019 | 3,734 |
| 2020 | 3,700 |
| 2021 | 3,677 |
| 2022 | 3,616 |
| 2023 | 3,605 |
| 2024 | 3,567 |
Race & Ethnicity
| White | 92.8% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
47.1
Median Age
47.9%
Female
52.1%
Male
27.3%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 27.3%
Income & Poverty
| Median household income | $67,064$-8,885 vs state |
| Mean household income | $101,179 |
| Per-capita income | $45,550 |
| Poverty rate | 5.2%-1.0% vs state |
| Unemployment rate | 0.7% |
| Employment-to-population | 59.7% |
Top Industries by Employment
The largest employment sector in Cavalier County is agriculture, accounting for 25.1% of workers.
How residents commute
0.0%
Drive alone
2.4%
Carpool
77.2%
Public transit
9.2%
Work from home
16.4 min
Avg commute
Housing
$122,300$-118,800 vs state
Median home value
$859
Median rent
82.8%
Homeownership rate
2,115
Total housing units
72.8%
Occupied
27.2%
Vacant
17.2%
Renter-occupied
Social & access
96.5%
With health insurance
91.7%
With broadband internet
16.6%
Foreign-born
6.2%
Veterans (18+)
12.6%
With a disability
95.6%
Speak language other than English at home
Education
93.1%
High School+
22.2%
Bachelor's+
Largest cities in North Dakota
Other counties in North Dakota
Part of North Dakota
Metro areas in North Dakota
County rankings
Frequently Asked Questions
Cavalier County, North Dakota has a population of 3,663 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 31st-largest county in North Dakota. Population density is 2 people per square mile.
The population of Cavalier County has declined 10.5% since 2010 (3,986 → 3,567), a -0.79% annualized rate.
The median household income in Cavalier County, North Dakota is $67,064, with mean (average) household income of $101,179 and per-capita income of $45,550. 5.2% of residents live below the federal poverty level.
In Cavalier County, the largest racial and ethnic groups are White (92.8%), Hispanic or Latino (1.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cavalier County, North Dakota is 47.1 years. Residents are 47.9% female and 52.1% male.
The median home value in Cavalier County is $122,300 and median monthly rent is $859. 82.8% of occupied housing units are owner-occupied. The county has 2,115 total housing units, 27.2% of which are vacant.
The largest employment sector in Cavalier County, North Dakota is agriculture, forestry, fishing, and mining, employing 25.1% of workers. The unemployment rate is 0.7%.
Fargo is among the largest cities associated with Cavalier County, North Dakota, with a population of 129,064.
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Full rankings of North Dakota counties
Statewide data for North Dakota
Population, race, income, age, and trends across North Dakota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.