Seminole County, Oklahoma facts for kids
Quick facts for kids
Seminole County
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Seminole County Courthouse in Wewoka
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Location within the U.S. state of Oklahoma
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 Oklahoma's location within the U.S. |
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| Country |  United States |
| State |  Oklahoma |
| Founded | 1907 |
| Seat | Wewoka |
| Largest city | Seminole |
| Area | |
| • Total | 640 sq mi (1,700 km2) |
| • Land | 633 sq mi (1,640 km2) |
| • Water | 7.6 sq mi (20 km2) 1.2%% |
| Population
(2020)
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| • Total | 23,556 |
| • Density | 36.81/sq mi (14.21/km2) |
| Congressional district | 5th |
Seminole County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 23,556. Its county seat is Wewoka. Most of the county was a reservation for the Seminole Nation of Oklahoma which still retains jurisdiction over some land in the county. A small portion of land at the eastern end of the county belonged to the Muscogee (Creek) Nation.
Seminole County is notable for the Greater Seminole Field, one of the most important oil fields ever found, which is still producing. It extends into nearby counties. In the early years of the oil boom, workers and adventurers flooded into the county, rapidly tripling the population. As oil production later declined, jobs and residents left.
History
Seminole County has been an important part of the Oklahoma and United States petroleum industry for over 80 years. The Greater Seminole Field was one of the most important oil fields ever found and is still producing. Discovered one field after another in 1926, it contained an estimated 822,000,000 barrels (130,700,000 m3) of oil. To group the fields together, the oil companies decided to come up with a name, and this was suggested by Paul Hedrick, oil editor of the Tulsa World. Early oil discoveries in the area were the Wewoka oil field and Cromwell oil field, both discovered in 1923. Then, on July 16, 1926, the Fixico No. 1 well reached the Wilcox sand at 4073 feet, bringing in the Seminole City Field. Located within the Greater Seminole area are 6 of Oklahoma's 22 giant oil fields, including Earlsboro, St. Louis, Seminole, Bowlegs, Little River, and Allen. Total production from the Greater Seminole area from 1926 to 1936 was 702,157,800 barrels, or 18% of all production in Oklahoma.
The Maud field, discovered in 1927 by Amerada Petroleum, was the first discovery using reflection seismology. This marked the beginning of the use of modern geophysical methods in the petroleum industry.
The Seminole County Courthouse was built in 1927.
Geography
According to the U.S. Census Bureau, the county has a total area of 640 square miles (1,700 km2), of which 633 square miles (1,640 km2) is land and 7.6 square miles (20 km2) (1.2%) is water. The county is bounded on the north by the North Canadian River and on the south by the Canadian River.
Adjacent counties
- Okfuskee County (northeast)
- Hughes County (east)
- Pontotoc County (south)
- Pottawatomie County (west)
Demographics
| Historical population | |||
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| Census | Pop. | %± | |
| 1910 | 19,964 | — | |
| 1920 | 23,808 | 19.3% | |
| 1930 | 79,621 | 234.4% | |
| 1940 | 61,201 | −23.1% | |
| 1950 | 40,672 | −33.5% | |
| 1960 | 28,066 | −31.0% | |
| 1970 | 25,144 | −10.4% | |
| 1980 | 27,473 | 9.3% | |
| 1990 | 25,412 | −7.5% | |
| 2000 | 24,894 | −2.0% | |
| 2010 | 25,482 | 2.4% | |
| 2020 | 23,556 | −7.6% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010 |
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As of the census of 2000, there were 24,894 people, 9,575 households, and 6,788 families residing in the county. The population density was 15/km2 (39/sq mi). There were 11,146 housing units at an average density of 7/km2 (18/sq mi). The racial makeup of the county was 70.74% White, 5.59% Black or African American, 17.39% Native American, 0.22% Asian, 0.05% Pacific Islander, 0.74% from other races, and 5.28% from two or more races. 2.22% of the population were Hispanic or Latino of any race. 94.7% spoke English, 2.9% Muskogee and 1.7% Spanish as their first language. By 2020, its population was 23,556.
There were 9,575 households, out of which 30.70% had children under the age of 18 living with them, 53.30% were married couples living together, 13.30% had a female householder with no husband present, and 29.10% were non-families. 25.90% of all households were made up of individuals, and 13.10% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.05.
In the county, the population was spread out, with 26.30% under the age of 18, 9.00% from 18 to 24, 24.40% from 25 to 44, 23.40% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 93.20 males. For every 100 females age 18 and over, there were 90.00 males.
The median income for a household in the county was $25,568, and the median income for a family was $30,791. Males had a median income of $25,954 versus $18,285 for females. The per capita income for the county was $13,956. About 16.70% of families and 20.80% of the population were below the poverty line, including 28.90% of those under age 18 and 14.40% of those age 65 or over.
Communities
See also
In Spanish: Condado de Seminole (Oklahoma) para niños
