McHenry County, North Dakota
Located in North Dakota, McHenry County has a population of 5,207 residents and a median age of 43.4 years, making it the #2,881 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.7%. The median home value is $151,000, and the median household income is $80,733, which is 7% above the national median.
Demographics
McHenry County has a population of 5,207, making it the #2,881 most populous county in the US. The median age is 43.4 years, which is 11.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in McHenry County is $80,733, ranking #550 out of 3,222 counties — 7.4% above the national median. The poverty rate is 9.7% and unemployment stands at 4.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in McHenry County is $151,000 (-46.4% vs national). Renters pay a median of $713/mo and the homeownership rate is 81.4%.
Median Home Value Trend
Rankings →Household Type
Education
In McHenry County, 20.3% of adults age 25+ hold a bachelor's degree or higher, which is 39.7% below the national average, ranking #1,945 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in McHenry County is 76.1 years. 14.6% of adults report poor or fair health and 5.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.3% of adults in McHenry County smoke , 37.0% are obese , and 23.8% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 30.3 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
14.8% of children in McHenry County live in poverty . The teen birth rate is 10.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in McHenry County is 68.0%. The mean commute time is 31.3 min, which is 13.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, McHenry County voted Republican with a margin of 63.8%. The vote was 17.5% Dem / 81.3% Rep. Compared to 2020, the margin shifted 3.9 toward Republicans .
Vote Share Over Time
About McHenry County, North Dakota
McHenry County, North Dakota has a total population of 5,207, making it the 2,881st most populous county in the United States. The median age in McHenry County is 43.4 years, which is 11.6% above the national median of 38.9 years.
The median household income in McHenry County is $80,733, which ranks #550 of 3,222 counties nationwide. This is 7.4% above the national median of $75,149. The poverty rate is 9.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.1%.
The median home value in McHenry County is $151,000, 46.4% below the national median. Renters in McHenry County pay a median gross rent of $713 per month. The homeownership rate is 81.4%, compared to the national rate of 64.4%.
In McHenry County, 20.3% of residents aged 25 and older hold a bachelor's degree or higher, 39.7% below the national average of 33.7%. Health insurance coverage stands at 91.7% of the population. The average commute time for workers is 31.3 min.
McHenry County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 94.0% of the population, followed by Hispanic or Latino (2.2%) and Two or More Races (1.9%).
All data for McHenry County, North Dakota comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.