Oliver County, North Dakota
As of the census of 2000, there were 2065 people in the county, organized into 791 households, and 604 families residing in the county. The population density was 2.9 people per square mile (1.12/km˛), it is 16th least densely populated county in North Dakota. There were 903 housing units at an average density of 1.2 per square mile (0.46/km˛). The average household size was 2.61 people, and the average family size was 3.05 people. In the county the population was distributed as follows: 27.4% under the age of 18, 4.7% from 18 to 24, 23.5% from 25 to 44, 30.1% from 45 to 64, and 14.2% who were 65 or older. For every 100 females there were 107.5 males. For every 100 females age 18 and over, there were 106.2 males. In July 2008, its estimated population was 1695, The racial or ethnic makeup of the county was 1644 White, 3 Black or African American, 29 American Indian, 2 Asian, 0 Native Hawaiian, and 17 from two or more races.
The median income for a household in the county was $36650, it is North Dakota's eighth wealthiest county by median household income. The median income for a family in the county was $45430, making its North Dakota's seventh highest county by median family income. The per capita income for the county was $16271, making its North Dakota's 27th highest county by per capita income.
In 2000, 549 pupils and students, of which 292 are male and 257 are female, 26.59% of the total population, are in the education system. Of which, total enrollment of student are in, 10 nursery or pri school, 21 kindergarten, 280 elementary school, 199 high school and 39 College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Center City | Oliver County | 0.39 | 0.39 | 0 | 678 | 1743.8 | 20043 | 41406 |
| Year | Population |
|---|---|
| April 2000 census | 2065 |
| April 2000 Estimate | 2065 |
| July 2000 Estimate | 2053 |
| July 2001 Estimate | 1967 |
| July 2002 Estimate | 1922 |
| July 2003 Estimate | 1872 |
| July 2004 Estimate | 1829 |
| July 2005 Estimate | 1787 |
| July 2006 Estimate | 1749 |
| July 2007 Estimate | 1720 |
| July 2008 Estimate | 1695 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 5 | 5 | 10 |
| Kindergarten | 9 | 12 | 21 |
| Elementary school | 148 | 132 | 280 |
| High school | 110 | 89 | 199 |
| College or graduate school | 20 | 19 | 39 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Oliver County, North Dakota | $36650 | $45430 | $16271 |
| North Dakota, United States | $34604 | $43654 | $17769 |
| United States | $41994 | $50046 | $21587 |