McHenry County, North Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 23rd-largest in North Dakota
The population of McHenry County, North Dakota is 5,264 as of the 2023 American Community Survey, making it the 23rd-largest county in North Dakota. The median household income is $80,614, the median home value is $143,200, and the median age is 43.4.
The population of McHenry County has declined 4.9% since 2010 (5,402 → 5,135), a -0.36% annualized rate.
5,264
Population
-0.36%
Annual growth
3
People / sq mi
$80,614
Median Income
$143,200
Median Home Value
McHenry County covers 1,874 sq mi of land at 2.8 people per square mile.
About McHenry County, ND
McHenry County is a county in North Dakota with a population of 5,264. It ranks #23 among counties in North Dakota by population. The median age is 43.4, older than the national median. The population is 51.7% male and 48.3% female.
The median household income in McHenry County is $80,614, above the US median of $74,580. 5.9% of residents live below the federal poverty level. Home values sit at a median of $143,200, with monthly rent averaging $737. The homeownership rate of 80.3% is higher than the national rate of 64.8%.
Educational attainment in McHenry County reflects 20.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 15.1% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 28.8 minutes each way.
McHenry County Population History (2010-2024)
The county of McHenry County had a population of 5,402 in 2010 and 5,135 in 2024, a -4.9% growth over 14 years. The peak was 5,981 in 2016. Average annual growth rate: -0.32%.
5,135
Population (2024)
5,402
Population (2010)
5,981
Peak (2016)
-0.32%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 5,402 |
| 2011 | 5,501 |
| 2012 | 5,798 |
| 2013 | 5,906 |
| 2014 | 5,976 |
| 2015 | 5,975 |
| 2016 | 5,981 |
| 2017 | 5,894 |
| 2018 | 5,802 |
| 2019 | 5,753 |
| 2020 | 5,316 |
| 2021 | 5,224 |
| 2022 | 5,208 |
| 2023 | 5,152 |
| 2024 | 5,135 |
Race & Ethnicity
| White | 95.2% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
43.4
Median Age
48.3%
Female
51.7%
Male
21.7%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 21.7%
Income & Poverty
| Median household income | $80,614+$4,665 vs state |
| Mean household income | $93,621 |
| Per-capita income | $41,087 |
| Poverty rate | 5.9%-0.3% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 61.0% |
Top Industries by Employment
The largest employment sector in McHenry County is agriculture, accounting for 22.1% of workers.
How residents commute
0.2%
Drive alone
4.8%
Carpool
72.1%
Public transit
15.1%
Work from home
28.8 min
Avg commute
Housing
$143,200$-97,900 vs state
Median home value
$737
Median rent
80.3%
Homeownership rate
2,832
Total housing units
80.0%
Occupied
20.0%
Vacant
19.7%
Renter-occupied
Social & access
92.7%
With health insurance
89.2%
With broadband internet
24.8%
Foreign-born
10.7%
Veterans (18+)
12.2%
With a disability
97.3%
Speak language other than English at home
Education
91.4%
High School+
20.9%
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
McHenry County, North Dakota has a population of 5,264 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest county in North Dakota. Population density is 3 people per square mile.
The population of McHenry County has declined 4.9% since 2010 (5,402 → 5,135), a -0.36% annualized rate.
The median household income in McHenry County, North Dakota is $80,614, with mean (average) household income of $93,621 and per-capita income of $41,087. 5.9% of residents live below the federal poverty level.
In McHenry County, the largest racial and ethnic groups are White (95.2%), Hispanic or Latino (1.5%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in McHenry County, North Dakota is 43.4 years. Residents are 48.3% female and 51.7% male.
The median home value in McHenry County is $143,200 and median monthly rent is $737. 80.3% of occupied housing units are owner-occupied. The county has 2,832 total housing units, 20.0% of which are vacant.
The largest employment sector in McHenry County, North Dakota is agriculture, forestry, fishing, and mining, employing 22.1% of workers. The unemployment rate is 3.0%.
Fargo is among the largest cities associated with McHenry County, North Dakota, with a population of 129,064.
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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.