Riverdale is a town in McLean County,

North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the Native Americans in the United States, indigenous Dakota people, Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north a ...

, United States. The population was 223 at the 2020 census. Riverdale was the largest of the construction camps that sprang up in 1946 to house workers building the

Garrison Dam Garrison Dam is an earth-fill embankment dam on the Missouri River in central North Dakota, U.S. Constructed by the U.S. Army Corps of Engineers from 1947 to 1953, at over in length, the dam is the fifth-largest earthen dam in the world. The res ...

just to the west. After the dam was completed in 1953, residents of the other camps (including Dakota City and Big Bend) who decided to stay on relocated to Riverdale. It was operated by the federal government from its establishment until 1986, when it was turned over to the state of North Dakota with incorporation following shortly thereafter.

Geography

Riverdale is located at (47.499853, -101.370074). According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...

, the city has a total area of , all land.

Demographics

2010 census

As of the

census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses incl ...

of 2010, there were 205 people, 103 households, and 67 families residing in the city. The

population density Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopul ...

was . There were 188 housing units at an average density of . The racial makeup of the city was 94.6%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White on ...

, 2.9% Native American, 2.0%

Asian Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...

, and 0.5% from two or more races. There were 103 households, of which 11.7% had children under the age of 18 living with them, 61.2% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between t ...

living together, 2.9% had a female householder with no husband present, 1.0% had a male householder with no wife present, and 35.0% were non-families. 30.1% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older. The average household size was 1.99 and the average family size was 2.40. The median age in the city was 56.2 years. 9.8% of residents were under the age of 18; 3% were between the ages of 18 and 24; 14.6% were from 25 to 44; 48.7% were from 45 to 64; and 23.9% were 65 years of age or older. The gender makeup of the city was 50.7% male and 49.3% female.

2000 census

As of the

of 2000, there were 273 people, 108 households, and 84 families residing in the city. The

was 195.1 people per square mile (75.3/km). There were 157 housing units at an average density of 112.2 per square mile (43.3/km). The racial makeup of the city was 96.34%

, 2.20% Native American, 0.73%

, and 0.73% from two or more races. There were 108 households, out of which 27.8% had children under the age of 18 living with them, 75.9% were

living together, 0.9% had a female householder with no husband present, and 21.3% were non-families. 19.4% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 2.86. In the city, the population was spread out, with 22.7% under the age of 18, 4.4% from 18 to 24, 21.6% from 25 to 44, 31.5% from 45 to 64, and 19.8% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 103.7 males. For every 100 females age 18 and over, there were 113.1 males. The median income for a household in the city was $48,333, and the median income for a family was $52,250. Males had a median income of $50,972 versus $27,500 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the city was $18,970. None of the families and 3.8% of the population were living below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

, including no under eighteens and 5.7% of those over 64.

Climate

This

climatic Climate is the long-term weather pattern in an area, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorologic ...

region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the

Köppen Climate Classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

system, Riverdale has a

humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...

, abbreviated "Dfb" on climate maps.Climate Summary for Riverdale, North Dakota
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Education

Riverdale High School was closed in the 1980s and consolidated with the high school in nearby

Underwood, North Dakota Underwood is a city in McLean County, North Dakota, United States. The population was 784 at the 2020 census. History Underwood was founded along a Soo Line Railroad line between Bismarck and Max in 1903 and named after Fred D. Underwood, vi ...

Sports

The high school athletic teams were named the Knights and the school colors were red and white. The school fielded a

nine-man football Nine-man football is a type of American football played by high schools that are too small to field teams for the usual 11-man game. In the United States, the Minnesota State High School League, North Dakota High School Activities Association, So ...

team. The team played local nine-man teams including Stanton, Goodrich, White Shield and Bowdon.

References

{{Authority control Cities in McLean County, North Dakota Cities in North Dakota Populated places established in 1946 North Dakota populated places on the Missouri River 1946 establishments in North Dakota