In the year, 1811 there was a largeseismic activity located on theNew Madrid Fault Line. The series of earthquakes, while devastating, formed Reelfoot Lake.
Obion was later established in 1823 and organized the following year. It was named for theObion River, which flows through the county and is a tributary of the nearbyMississippi River. The word "Obion" is believed to be derived from a Native American word meaning "many forks", or from an Irish trapper named O'Brien.[1][6][7][8]
The founding of Obion County originally came from the expansion of railroads. The county has since moved towards many agricultural and manufacturing productions.[9]
In 2013,Discovery Park of America opened in Union City. Discovery Park is a 50-acre encyclopedic museum and heritage park with exhibits pertaining to local and national history, military history, art, science, and technology.
According to theU.S. Census Bureau, the county has a total area of 556 square miles (1,440 km2), of which 545 square miles (1,410 km2) is land and 11 square miles (28 km2) (1.9%) is water.[10] It is located in the "rolling hills ofnorthwest Tennessee".[1]
As of the2020 census, there were 30,787 people, 12,928 households, and 8,389 families residing in the county.[17]
The median age was 43.6 years, with 21.7% of residents under the age of 18 and 21.3% aged 65 years or older. For every 100 females there were 93.5 males, and for every 100 females age 18 and over there were 91.8 males age 18 and over.[17]
40.7% of residents lived in urban areas, while 59.3% lived in rural areas.[18]
Of the 12,928 households, 28.4% had children under the age of 18 living in them, 46.6% were married-couple households, 17.9% were households with a male householder and no spouse or partner present, and 29.3% were households with a female householder and no spouse or partner present. About 29.3% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older; there were 14,314 housing units, of which 9.7% were vacant, 66.5% of occupied units were owner-occupied, and 33.5% were renter-occupied. The homeowner vacancy rate was 1.3% and the rental vacancy rate was 7.4%.[17]
As of thecensus[19] of 2000, there were 32,450 people, 13,182 households, and 9,398 families residing in the county. The population density was 60 inhabitants per square mile (23/km2). There were 14,489 housing units at an average density of 27 units per square mile (10/km2). The racial makeup of the county was 88.16%White, 9.85%Black orAfrican American, 0.19%Asian, 0.14%Native American, 0.05%Pacific Islander, 0.91% fromother races, and 0.71% from two or more races. 1.90% of the population wereHispanic orLatino of any race.
There were 13,182 households, out of which 31.00% had children under the age of 18 living with them, 56.40% weremarried couples living together, 11.10% had a female householder with no husband present, and 28.70% were non-families. 25.70% of all households were made up of individuals, and 12.10% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.89.
In the county, the population was spread out, with 23.40% under the age of 18, 8.40% from 18 to 24, 27.70% from 25 to 44, 25.40% from 45 to 64, and 15.20% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.40 males. For every 100 females age 18 and over, there were 89.90 males.
The median income for a household in the county was $32,764, and the median income for a family was $40,533. Males had a median income of $32,963 versus $20,032 for females. Theper capita income for the county was $17,409. About 10.10% of families and 13.30% of the population were below thepoverty line, including 18.60% of those under age 18 and 15.10% of those age 65 or over.
The county is part of District 77 of theTennessee House of Representatives, currently represented by Republican Rusty Grills, and District 76, currently represented by Republican Tandy Darby. The county is part of District 24 of theTennessee Senate, currently represented by RepublicanJohn Stevens.[21] At the federal level, it is part of the state's8th congressional district, currently represented by RepublicanDavid Kustoff.
Obion County is home to many attractions and activities.
Discovery Park of America focuses on nature, science, technology, history, and art. Discovery Park is the main source of tourism to Obion County.
Reelfoot Lake is a protected area in Obion County. It is a venue for hiking, boating, and nature.
Masquerade Theatre is a local theater groups. What started as the historical Capitol Theater has now been renovated to meet the community's needs.[23]
The Obion County Fair is one of the biggest events held in the county. Fair Rides, Agricultural displays, pageants, and much more are held in late August every year.[24]