| Official Name: | Cannon Ball, North Dakota |
| Settlement Type: | CDP |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | Indian Reservation |
| Subdivision Name1: | Standing Rock Indian Reservation |
| Subdivision Type2: | State |
| Subdivision Name2: | North Dakota |
| Subdivision Type3: | County |
| Subdivision Name3: | Sioux |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 250.37 |
| Area Land Km2: | 228.61 |
| Area Water Km2: | 21.76 |
| Area Total Sq Mi: | 96.67 |
| Area Land Sq Mi: | 88.27 |
| Area Water Sq Mi: | 8.40 |
| Population As Of: | 2020 |
| Population Total: | 864 |
| Population Density Km2: | 3.78 |
| Population Density Sq Mi: | 9.79 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1749 |
| Coordinates: | 46.3172°N -100.6358°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 58528 |
| Blank Name: | FIPS code |
| Blank Info: | 38-12020 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2393365 |
Cannon Ball is a census-designated place (CDP) on the Standing Rock Indian Reservation and in Sioux County, North Dakota, United States. It is located in the northeastern part of Sioux County, having developed at the confluence of the Cannonball River and Lake Oahe of the Missouri River. The population was 875 at the 2010 census.[2]
According to the United States Census Bureau, the CDP has a total area of 96.8sqmi, of which 88.3sqmi is land and 8.4sqmi (8.69%) is water.
At the 2000 census, there were 864 people, 197 households and 171 families residing in the Cannon Ball Census Designated Place ("CDP"). The population density was . There were 208 housing units at an average density of . At the 2010 census, the racial make-up was 92.9% Native American, 4.8% White, 0.1% from other races and 2.2% from two or more races. Persons of Hispanic or Latino origin comprised 1.4% of the total population.[3]
There were 197 households, of which 56.9% had children under the age of 18 living with them, 38.6% were married couples living together, 35.0% had a female householder with no husband present, and 12.7% were non-families. 11.2% of all households were made up of individuals, and 2.0% had someone living alone who was 65 years of age or older. The average household size was 4.35 and the average family size was 4.56.
46.4% of the population were under the age of 18, 11.2% from 18 to 24, 23.5% from 25 to 44, 15.3% from 45 to 64 and 3.6% were 65 years of age or older. The median age was 20 years. For every 100 females, there were 92.4 males. For every 100 females age 18 and over, there were 86.7 males.
The median household income was $19,265 and the median family income was $18,583. Males had a median income of $21,875 and females $17,250. The per capita income was $5,717. About 49.7% of families and 50.9% of the population were below the poverty line, including 58.3% of those under age 18 and 8.6% of those age 65 or over.
Most of Cannon Ball is in the Solen Public School District 3, while a portion is in the Fort Yates School District.[4] Fort Yates is combined with the Standing Rock Community Grant School.