McHenry County, North Dakota Information (Geography)
|McHenry County, North Dakota|
McHenry County Courthouse
Location within the U.S. state of North Dakota
North Dakota's location within the U.S.
|Founded||January 4, 1873 (created)|
October 15, 1884 (organized)
|• Total||1,912 sq mi (4,952 km2)|
|• Land||1,874 sq mi (4,854 km2)|
|• Water||38 sq mi (98 km2), 2.0%|
|• ( 2018)||5,816|
|• Density||3.15/sq mi (1.22/km2)|
|Time zone||Central: UTC−6/ −5|
The Dakota Territory legislature created the county on January 4, 1873, with territory annexed from Bottineau County. It was named for James McHenry, an early settler of Vermillion (in present South Dakota). The county government was not organized at that time, nor was the county attached to another county for administrative and judicial purposes. The county organization was effected on October 15, 1884. The county boundaries were altered in 1885, 1887, 1891, and in 1892. It has retained its present boundaries since 1892. 
When the county was organized in 1884, Villard was named as county seat. In 1885 this designation was moved to Scriptown. In 1886 the designation was again moved, to Towner, which has remained the seat to the present time (the two former sites are now ghost towns). 
The Souris River loops through the county before turning north to its eventual discharge into Lake Winnipeg. The Wintering River drains the southern part of the county. The county terrain consists of rolling hills, partly devoted to agriculture (including limited use of center pivot irrigation).  The terrain slopes to the north and east, with its highest point on the west boundary line near the SW corner, at 2,156' (657m) ASL.  The county has a total area of 1,912 square miles (4,950 km2), of which 1,874 square miles (4,850 km2) is land and 38 square miles (98 km2) (2.0%) is water.  In 2013, 131 plants were collected in the Lake George area. 
- Bromley Lake
- Buffalo Lodge Lake
- Connia Slough
- Erickson Lake
- Heringen Lake
- Horseshoe Lake (part)
- Lake George
- Lake Hester
- Lauinger Lake
- Martin Lake
- North Lake
- Potters Lake
- Round Lake
- Smoky Lake (part)
- Stevens Slough
- Stink Lake
|US Decennial Census
1790-1960  1900-1990 
1990-2000  2010-2018 
As of the 2000 United States Census, there were 5,987 people, 2,526 households, and 1,699 families in the county. The population density was 3.19/sqmi (1.23/km²). There were 2,983 housing units at an average density of 1.59/sqmi (0.61/km²). The racial makeup of the county was 98.73% White, 0.08% Black or African American, 0.40% Native American, 0.03% Asian, 0.05% from other races, and 0.70% from two or more races. 0.40% of the population were Hispanic or Latino of any race. 45.4% were of German and 34.0% Norwegian ancestry.
There were 2,526 households out of which 28.3% had children under the age of 18 living with them, 58.2% were married couples living together, 5.6% had a female householder with no husband present, and 32.7% were non-families. 29.8% of all households were made up of individuals and 15.40% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.92.
The county population contained 24.0% under the age of 18, 5.9% from 18 to 24, 23.3% from 25 to 44, 25.1% from 45 to 64, and 21.8% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 103.9 males. For every 100 females age 18 and over, there were 101.0 males.
The median income for a household in the county was $27,274, and the median income for a family was $35,676. Males had a median income of $25,740 versus $18,505 for females. The per capita income for the county was $15,140. About 12.0% of families and 15.8% of the population were below the poverty line, including 18.5% of those under age 18 and 16.8% of those age 65 or over.
As of the 2010 United States Census, there were 5,395 people, 2,377 households, and 1,527 families in the county.  The population density was 2.88/sqmi (1.11/km²). There were 2,948 housing units at an average density of 1.57/sqmi (0.61/km²).  The racial makeup of the county was 97.8% white, 0.6% American Indian, 0.3% Asian, 0.1% black or African American, 0.3% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.5% of the population.  In terms of ancestry, 55.3% were of German, 39.5% Norwegian, 5.3% English, 3.6% Swedish, 3.5% American, 2.4% Russian and 1.7% Dutch ancestry. 
Of the 2,377 households, 25.3% had children under the age of 18 living with them, 53.9% were married couples living together, 5.8% had a female householder with no husband present, 35.8% were non-families, and 31.3% of all households were made up of individuals. The average household size was 2.25 and the average family size was 2.81. The median age was 46.2 years. 
The median income for a household in the county was $36,944 and the median income for a family was $54,350. Males had a median income of $36,625 versus $26,205 for females. The per capita income for the county was $22,911. About 6.4% of families and 12.3% of the population were below the poverty line, including 17.1% of those under age 18 and 17.9% of those age 65 or over. 
Unincorporated communities 
- Cottonwood Lake
- Deep River
- Egg Creek
- Kottke Valley
- Lake George
- Lake Hester
- Little Deep
- Mouse River
- North Prairie
- Rose Hill
- Round Lake
- Spring Grove
- Willow Creek
- Sondre Norheim - pioneer of modern skiing
McHenry County voters have traditionally voted Republican. In only one national election since 1936 has the county selected the Democratic Party candidate.
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