County · North Dakota

Morton County, North Dakota

Morton County, North Dakota. Morton County had 34,601 residents in 2025 by the Census Bureau's estimate, up 3.9% since 2020, faster than North Dakota (+2.6%). It holds 8 places (6 cities, villages and boroughs, 1 town or township and 1 census-designated) and 7 census tracts. GEOID 38059.

Morton County is one of the 3 counties of the Bismarck, ND metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

34,601

Census Bureau estimate (no margin published)
2020 Census count: 33,291 · ACS 2020-2024: 33,777

Median household income

$79,382

±$6,495 (90% margin)
North Dakota: $76,657

Median home value

$263,900

±$11,929 (90% margin)
North Dakota: $249,900

Median gross rent

$1,076

±$71 (90% margin)
North Dakota: $954

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

The 2020 Census counted 33,291 residents in Morton County. The Census Bureau estimates 34,601 for July 1, 2025, up 3.9% since 2020, faster than North Dakota (+2.6%). The 2020-2024 American Community Survey puts the population at 33,777 over 1,926 square miles of land.

  • July 2020→2021 +266 (33,590)
  • 2021→2022 +154 (33,744)
  • 2022→2023 +361 (34,105)
  • 2023→2024 +156 (34,261)
  • 2024→2025 +340 (34,601)
Morton County in North Dakota. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureMorton CountyNorth DakotaChange since 2015-2019
Total population33,777784,841+2,909
Households13,946±353331,063no clear change
Average household size2.37±0.062.28+0.14
Housing units15,465±36377,281+463

Morton County's population since 2000

From 25,303 in 2000 to 34,601 in 2025: up 36.7%. 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 25,303
  • 2005 (estimate) 25,576
  • 2010 Census 27,471
  • 2015 (estimate) 30,273
  • 2020 Census 33,291
  • 2025 (estimate) 34,601

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 Morton County?

Morton County holds 8 places: 6 cities, villages and boroughs (incorporated places), 1 town or township (a county subdivision with its own government) and 1 census-designated place. The largest is Mandan with 25,061 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 Morton County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Mandancity24,20624,522±32$71,780$259,8009.8%100%
New Salemcity973780±200$69,519$187,0006.9%100%
Hebroncity794677±189$63,542$98,1008.7%100%
Glen Ullincity732701±162$50,357$109,2008.5%100%
HarmonGEOID 3835500CDP259198±76$113,500$444,4000.0%100%
FlasherGEOID 3826660city217222±56$44,583$75,0008.3%100%
Captain's Landing TownshipGEOID 3805912080township11529±26not publishednot published0.0%100%
AlmontGEOID 3801700city100183±111$119,375$48,10015.8%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 Morton County?

The median resident of Morton County is 37.6 years old; 22.9% are under 18 and 17.3% are 65 or older. The largest group is non-Hispanic white residents at 86.7%, then Hispanic or Latino residents (of any race) at 4.4%. 1.1% 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.
MeasureMorton CountyNorth DakotaChange since 2015-2019
Median age37.6±1.135.9no clear change
Under 18 years22.9%±0.3 pts23.5%–
65 years and over17.3%±0.3 pts16.5%–
Hispanic or Latino (any race)4.4%4.7%+0.9 pts
White alone, not Hispanic86.7%±0.7 pts81.7%−3.1 pts
Black or African American alone, not Hispanic1.6%±0.5 pts3.3%no clear change
Asian alone, not Hispanic0.1%±0.2 pts1.6%–
American Indian and Alaska Native alone, not Hispanic4.0%±0.6 pts4.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.1%±0.1 pts0.1%–
Two or more races, not Hispanic2.6%±0.8 pts4.0%–
Some other race alone, not Hispanic0.5%±0.6 pts0.3%–
Born outside the United States1.1%±0.6 pts4.7%no clear change
Speak a language other than English at home (age 5+)5.5%±1.3 pts6.7%–
Civilian veterans (age 18+)8.0%±1.4 pts7.1%–
With a disability9.8%±1.3 pts12.0%–
No health insurance coverage5.6%±1.5 pts6.5%no clear change
High school graduate or higher (age 25+)94.8%±1.5 pts94.0%–
Bachelor's degree or higher (age 25+)28.8%±3.3 pts32.7%no clear change
Graduate or professional degree (age 25+)6.5%±1.4 pts9.7%–
Moved from another state in the past year1.8%±1.2 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 Morton County earn?

Half of Morton County's 13,946 households earn less than $79,382 a year (±$6,495), against $76,657 in North Dakota. In 2015-2019 it was $86,833 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureMorton CountyNorth DakotaChange since 2015-2019
Median household income$79,382±$6,495$76,657no clear change
Mean household income$109,606±$12,264$101,793–
Per capita income$46,235±$5,193$43,389no clear change
People below the poverty line8.0%±2.1 pts10.8%no clear change
Children under 18 below the poverty line6.9%±4.2 pts11.1%no clear change
Households receiving SNAP4.2%±1.4 pts6.6%–
Households with a broadband subscription91.4%±1.9 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 Morton County?

Owners occupy 74.2% of Morton County's occupied homes and renters 25.8%. The median owner-occupied home is valued at $263,900 by its owner (±$11,929). The median renter pays $1,076 a month including utilities, and 36.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureMorton CountyNorth DakotaChange since 2015-2019
Median home value (owner-occupied)$263,900±$11,929$249,900no clear change
Median gross rent$1,076±$71$954no clear change
Renters paying 35% or more of income on rent36.3%±10.0 pts31.1%no clear change
Median monthly owner costs, with a mortgage$1,763±$94$1,762–
Owner-occupied homes74.2%±3.1 pts62.9%no clear change
Housing units15,465±36377,281+463
Homeowner vacancy rate1.3%±0.8 pts1.2%–
Rental vacancy rate5.4%±4.5 pts8.3%–
Single-family detached homes65.4%±2.9 pts56.7%–
Mobile homes12.8%±2.3 pts6.6%–
Built 2020 or later2.4%±1.1 pts1.8%–
Built 1939 or earlier10.9%±2.2 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 Morton County building?

Builders took permits for 100 new housing units across Morton County in 2025 (100 single-family), 2.9 per 1,000 residents.

  • 2019 225 units
  • 2020 184 units
  • 2021 178 units
  • 2022 91 units
  • 2023 98 units
  • 2024 87 units
  • 2025 100 units

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

How do people in Morton County get to work?

78.4% of Morton County's workers drive alone and 10.6% work from home. The average trip to work takes 19.8 minutes. The unemployment rate in 2020-2024 averaged 1.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureMorton CountyNorth DakotaChange since 2015-2019
In the labor force (age 16+)69.6%±1.6 pts68.6%–
Unemployment rate1.5%±0.7 pts2.8%no clear change
Drove alone to work78.4%±3.0 pts77.9%–
Carpooled9.0%±2.1 pts8.8%–
Public transportation0.0%±0.1 pts0.3%–
Walked1.0%±0.5 pts3.2%–
Worked from home10.6%±2.6 pts8.1%+4.9 pts
Mean travel time to work19.8 min±1.417.9 minno clear change

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 Morton County's census tracts?

Morton County is divided into 7 census tracts. Among those with a reliable estimate, median household income runs from $64,176 (Tract 203.01) to $102,140 (Tract 204).

Census tracts of Morton County, ACS 2020-2024 5-year estimates; sort by any column
Tract 20138059020100Mandan (99%)4,9045,380±620$81,853$252,000$91310.6%
Tract 20238059020200Mandan (72%)8,9319,185±743$77,252$281,900$9487.2%
Tract 203.0138059020301Mandan (67%)7,1287,042±633$64,176$410,600$1,20810.5%
Tract 203.0238059020302Mandan (85%)3,7183,759±462$91,024$318,100not published3.4%
Tract 203.0338059020303Mandan (79%)1,7342,022±352$77,455$148,700$92415.1%
Tract 20438059020400Flasher (6%)3,2523,314±54$102,140$326,400$1,0682.7%
Tract 20538059020500New Salem (10%)3,6243,075±445$71,042$154,700$8507.2%

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

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

Morton County's rank among North Dakota's counties with a reliable estimate (1 = highest)
MeasureRank
Population6th of 53
Growth 2020-20255th of 53
Residents per square mile7th of 53
Median household income17th of 53
Median home value9th of 53
Median gross rent4th of 53
Poverty rate45th of 53
Bachelor's degree or higher15th of 53
Median age43rd 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 Morton 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.