Oliver County, North Dakota facts for kids
Quick facts for kids
Oliver County
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Location within the U.S. state of North Dakota
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 North Dakota's location within the U.S. |
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| Country |  United States |
| State |  North Dakota |
| Founded | April 14, 1885 (created) May 18, 1885 (organized) |
| Named for | Harry S. Oliver |
| Seat | Center |
| Largest city | Center |
| Area | |
| • Total | 731 sq mi (1,890 km2) |
| • Land | 723 sq mi (1,870 km2) |
| • Water | 8.7 sq mi (23 km2) 1.2% |
| Population
(2020)
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| • Total | 1,877 |
| • Estimate
(2021)
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1,873 |
| • Density | 2.5677/sq mi (0.9914/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
Oliver County is a county located in the U.S. state of North Dakota. As of the 2020 census, the population was 1,877. Its county seat and only city is Center.
Contents
Geography
According to the U.S. Census Bureau, the county has a total area of 731 square miles (1,890 km2), of which 723 square miles (1,870 km2) is land and 8.7 square miles (23 km2) (1.2%) is water. It is the fifth-smallest county in North Dakota by area.
Major highways
North Dakota Route 25
North Dakota Route 31
North Dakota Route 48
North Dakota Route 1806
North Dakota Route 200A
Adjacent counties
- McLean County (northeast)
- Burleigh County (east)
- Morton County (south)
- Mercer County (northwest)
Demographics
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1890 | 464 | — | |
| 1900 | 990 | 113.4% | |
| 1910 | 3,577 | 261.3% | |
| 1920 | 4,425 | 23.7% | |
| 1930 | 4,262 | −3.7% | |
| 1940 | 3,859 | −9.5% | |
| 1950 | 3,091 | −19.9% | |
| 1960 | 2,610 | −15.6% | |
| 1970 | 2,322 | −11.0% | |
| 1980 | 2,495 | 7.5% | |
| 1990 | 2,381 | −4.6% | |
| 2000 | 2,065 | −13.3% | |
| 2010 | 1,846 | −10.6% | |
| 2020 | 1,877 | 1.7% | |
| 2021 (est.) | 1,873 | 1.5% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 |
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2010 census
As of the 2010 census, there were 1,846 people, 756 households, and 554 families in the county. The population density was 2.55/sqmi (0.99/km2). There were 905 housing units at an average density of 1.25/sqmi (0.48/km2). The racial makeup of the county was 97.3% white, 1.5% American Indian, 0.2% black or African American, 0.2% Asian, 0.2% from other races, and 0.7% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. In terms of ancestry, 66.8% were German, 19.3% were Norwegian, 7.6% were Russian, 6.3% were English, and 4.4% were American.
Of the 756 households, 25.0% had children under the age of 18 living with them, 65.5% were married couples living together, 4.8% had a female householder with no husband present, 26.7% were non-families, and 22.6% of all households were made up of individuals. The average household size was 2.44 and the average family size was 2.84. The median age was 47.6 years.
The median income for a household in the county was $62,308 and the median income for a family was $75,069. Males had a median income of $60,592 versus $28,409 for females. The per capita income for the county was $29,348. About 6.5% of families and 9.7% of the population were below the poverty line, including 13.0% of those under age 18 and 19.6% of those age 65 or over.
Communities
City
- Center (county seat)
Unincorporated communities
See also
In Spanish: Condado de Oliver (Dakota del Norte) para niños
