County · North Dakota

Cavalier County, North Dakota

Cavalier County, North Dakota. Cavalier County had 3,497 residents in 2025 by the Census Bureau's estimate, down 5.6% since 2020, while North Dakota grew 2.6%. It holds 52 places (12 cities, villages and boroughs and 40 towns and townships) and 2 census tracts. GEOID 38019.

Residents, July 2025 estimate

3,497

Census Bureau estimate (no margin published)
2020 Census count: 3,704 · ACS 2020-2024: 3,633

Median household income

$69,531

±$8,867 (90% margin)
North Dakota: $76,657

Median home value

$125,800

±$15,711 (90% margin)
North Dakota: $249,900

Median gross rent

$786

±$245 (90% margin)
North Dakota: $954

How many people live in Cavalier County, and is it growing?

The 2020 Census counted 3,704 residents in Cavalier County. The Census Bureau estimates 3,497 for July 1, 2025, down 5.6% since 2020, while North Dakota grew 2.6%. The 2020-2024 American Community Survey puts the population at 3,633 over 1,489 square miles of land.

  • July 2020→2021 −19 (3,678)
  • 2021→2022 −63 (3,615)
  • 2022→2023 −26 (3,589)
  • 2023→2024 −43 (3,546)
  • 2024→2025 −49 (3,497)
Cavalier County in North Dakota. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureCavalier CountyNorth DakotaChange since 2015-2019
Total population3,633784,841−170
Households1,560±106331,063−177
Average household size2.28±0.162.28no clear change
Housing units2,109±25377,281−211

Cavalier County's population since 2000

From 4,831 in 2000 to 3,497 in 2025: down 27.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 4,831
  • 2005 (estimate) 4,384
  • 2010 Census 3,993
  • 2015 (estimate) 3,824
  • 2020 Census 3,704
  • 2025 (estimate) 3,497

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Cavalier County?

Cavalier County holds 52 places: 12 cities, villages and boroughs (incorporated places) and 40 towns and townships (county subdivisions with their own government). The largest is Langdon with 1,809 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Cavalier County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Langdoncity1,9091,782±163$64,286$135,90011.1%100%
Elgin TownshipGEOID 3801922980township200141±59not published$164,3000.0%100%
MunichGEOID 3855020city190257±97$78,563$109,8009.3%100%
OsnabrockGEOID 3860100city105115±46$19,479$31,90019.8%100%
Manilla TownshipGEOID 3801950100township7234±24$14,875not published73.5%100%
North Olga TownshipGEOID 3801958060township6717±13not publishednot published0.0%100%
Henderson TownshipGEOID 3801937220township5555±44$168,750$10,000 or less0.0%100%
West Hope TownshipGEOID 3801985060township490±10not publishednot published–100%
Perry TownshipGEOID 3801961740township4629±28not publishednot published27.6%100%
Cypress TownshipGEOID 3801917580township4434±41$73,250not published0.0%100%
South Dresden TownshipGEOID 3801974100township4329±25not publishednot published86.2%100%
South Olga TownshipGEOID 3801974300township4246±50not publishednot published0.0%100%
Montrose TownshipGEOID 3801954060township428±13not publishednot published0.0%100%
Fremont TownshipGEOID 3801928540township40189±143$179,261$343,1000.0%100%
MiltonGEOID 3853020city3943±31$43,819$308,8007.0%100%
Nekoma TownshipGEOID 3801955780township390±10not publishednot published–100%
Hay TownshipGEOID 3801936420township3415±15not publishednot published0.0%100%
Langdon TownshipGEOID 3801944820township344±5not publishednot published0.0%100%
Easby TownshipGEOID 3801921460township340±10not publishednot published–100%
AlsenGEOID 3801740city3239±37$84,688not published0.0%100%
Osford TownshipGEOID 3801959980township32153±71not publishednot published0.0%100%
NekomaGEOID 3855740city3122±12$104,375$112,5004.5%100%
Minto TownshipGEOID 3801953500township310±10not publishednot published–100%
Dresden TownshipGEOID 3801920460township3052±46not publishednot published0.0%100%
Alma TownshipGEOID 3801901660township3038±38not publishednot published0.0%100%
Osnabrock TownshipGEOID 3801960140township3038±39not publishednot published0.0%100%
Loam TownshipGEOID 3801947380township3036±34not publishednot published0.0%100%
Huron TownshipGEOID 3801939660township3033±38not publishednot published0.0%100%
Trier TownshipGEOID 3801979540township2736±41not published$155,0000.0%100%
Bruce TownshipGEOID 3801909900township2710±17not publishednot published0.0%100%
Harvey TownshipGEOID 3801935860township2642±34not publishednot published0.0%100%
Waterloo TownshipGEOID 3801983820township2549±44not publishednot published0.0%100%
Grey TownshipGEOID 3801933580township1975±57$250,000 or morenot published0.0%100%
Banner Township, Cavalier CountyGEOID 3801904660township174±6not publishednot published0.0%100%
Hope Township, Cavalier CountyGEOID 3801938820township170±10not publishednot published–100%
SarlesGEOID 3870780city1619±26$2,500 or less$10,000 or less26.3%100%
CalvinGEOID 3811700city155±7not publishednot published0.0%100%
North Loma TownshipGEOID 3801958020township1521±33not publishednot published0.0%100%
East Alma TownshipGEOID 3801921500township149±11not publishednot published0.0%100%
Moscow TownshipGEOID 3801954500township130±10not publishednot published–100%
Billings TownshipGEOID 3801906940township1228±27$63,889$111,1000.0%100%
Byron TownshipGEOID 3801911460township1215±18not publishednot published0.0%100%
Mount Carmel TownshipGEOID 3801954820township1137±29$98,214not published2.7%100%
Linden TownshipGEOID 3801946940township1115±23not publishednot published0.0%100%
LomaGEOID 3847660city106±6not publishednot published0.0%100%
WalesGEOID 3882940city102±4not publishednot published0.0%100%
Storlie TownshipGEOID 3801976380township919±16not publishednot published0.0%100%
Gordon TownshipGEOID 3801931620township99±12not publishednot published0.0%100%
CalioGEOID 3811580city814±15$164,000not published0.0%100%
HannahGEOID 3835060city84±7not publishednot published100.0%100%
Seivert TownshipGEOID 3801971620township76±9not publishednot published0.0%100%
Glenila TownshipGEOID 3801930780township63±4not publishednot published0.0%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Cavalier County?

The median resident of Cavalier County is 48.3 years old; 21.9% are under 18 and 27.9% are 65 or older. The largest group is non-Hispanic white residents at 92.0%, then non-Hispanic residents of two or more races at 3.4%. 2.3% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureCavalier CountyNorth DakotaChange since 2015-2019
Median age48.3±1.635.9no clear change
Under 18 years21.9%±1.3 pts23.5%–
65 years and over27.9%±0.9 pts16.5%–
Hispanic or Latino (any race)2.3%±2.4 pts4.7%–
White alone, not Hispanic92.0%±0.9 pts81.7%−2.9 pts
Black or African American alone, not Hispanic0.0%±0.7 pts3.3%–
Asian alone, not Hispanic0.7%±0.9 pts1.6%–
American Indian and Alaska Native alone, not Hispanic0.7%±1.1 pts4.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.7 pts0.1%–
Two or more races, not Hispanic3.4%±1.9 pts4.0%–
Some other race alone, not Hispanic0.9%±0.8 pts0.3%–
Born outside the United States2.3%±1.3 pts4.7%no clear change
Speak a language other than English at home (age 5+)5.1%±1.8 pts6.7%–
Civilian veterans (age 18+)7.4%±2.3 pts7.1%–
With a disability13.4%±2.6 pts12.0%–
No health insurance coverage4.3%±1.8 pts6.5%no clear change
High school graduate or higher (age 25+)92.4%±2.8 pts94.0%–
Bachelor's degree or higher (age 25+)22.1%±3.5 pts32.7%no clear change
Graduate or professional degree (age 25+)3.0%±1.5 pts9.7%–
Moved from another state in the past year1.8%±1.3 pts4.2%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Cavalier County earn?

Half of Cavalier County's 1,560 households earn less than $69,531 a year (±$8,867), against $76,657 in North Dakota. In 2015-2019 it was $79,747 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureCavalier CountyNorth DakotaChange since 2015-2019
Median household income$69,531±$8,867$76,657no clear change
Mean household income$105,149±$14,142$101,793–
Per capita income$47,476±$6,300$43,389no clear change
People below the poverty line8.5%±3.2 pts10.8%no clear change
Children under 18 below the poverty line6.1%±7.2 pts11.1%–
Households receiving SNAP4.7%±2.3 pts6.6%–
Households with a broadband subscription88.0%±3.9 pts88.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Cavalier County?

Owners occupy 81.3% of Cavalier County's occupied homes and renters 18.7%. The median owner-occupied home is valued at $125,800 by its owner (±$15,711). The median renter pays $786 a month including utilities, and 43.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureCavalier CountyNorth DakotaChange since 2015-2019
Median home value (owner-occupied)$125,800±$15,711$249,900no clear change
Median gross rent$786±$245$954no clear change
Renters paying 35% or more of income on rent43.8%±19.7 pts31.1%–
Median monthly owner costs, with a mortgage$1,307±$153$1,762–
Owner-occupied homes81.3%±4.5 pts62.9%no clear change
Housing units2,109±25377,281−211
Homeowner vacancy rate1.1%±1.5 pts1.2%–
Rental vacancy rate22.0%±15.6 pts8.3%–
Single-family detached homes79.0%±4.6 pts56.7%–
Mobile homes5.4%±2.1 pts6.6%–
Built 2020 or later0.1%±0.3 pts1.8%–
Built 1939 or earlier15.8%±4.4 pts11.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Cavalier County building?

Builders took permits for 2 new housing units across Cavalier County in 2025 (2 single-family), 0.6 per 1,000 residents.

  • 2019 11 units
  • 2020 5 units
  • 2021 5 units
  • 2022 4 units
  • 2023 3 units
  • 2024 2 units
  • 2025 2 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Cavalier County get to work?

73.6% of Cavalier County's workers drive alone and 8.6% work from home. The average trip to work takes 18.8 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureCavalier CountyNorth DakotaChange since 2015-2019
In the labor force (age 16+)59.8%±3.5 pts68.6%–
Unemployment rate1.0%±0.9 pts2.8%–
Drove alone to work73.6%±5.3 pts77.9%–
Carpooled14.2%±5.1 pts8.8%–
Public transportation0.0%±1.4 pts0.3%–
Walked3.0%±1.5 pts3.2%–
Worked from home8.6%±3.1 pts8.1%no clear change
Mean travel time to work18.8 min±3.117.9 min+4.2 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Cavalier County's census tracts?

Cavalier County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $64,464 (Tract 9509) to $70,430 (Tract 9511).

Census tracts of Cavalier County, ACS 2020-2024 5-year estimates; sort by any column
Tract 950938019950900Langdon (93%)1,8831,790±168$64,464$133,300$78611.1%
Tract 951138019951100Munich (3%)1,8211,843±168$70,430$120,600$7866.1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Cavalier County compare with North Dakota's other counties?

Cavalier County's rank among North Dakota's counties with a reliable estimate (1 = highest)
MeasureRank
Population31st of 53
Growth 2020-202548th of 53
Residents per square mile39th of 53
Median household income30th of 53
Median home value37th of 53
Median gross rent20th of 53
Poverty rate43rd of 53
Bachelor's degree or higher40th of 53
Median age11th of 53

Every county in North Dakota

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Cavalier County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.