Jefferson County, Mississippi
|Jefferson County, Mississippi|
Location in the state of Mississippi
Mississippi's location in the U.S.
527.19 sq mi (1,365 km²)
519.39 sq mi (1,345 km²)
7.81 sq mi (20 km²), 1.48%
18/sq mi (7/km²)
Jefferson County is a county located in the U.S. state of Mississippi. As of 2010, the population was 7,726. Its county seat is Fayette. Jefferson County has the highest percentage of African Americans of any county in the United States, as well as the most statistically obese in the nation. It is one of the poorest counties in the United States. Jefferson County is named for U.S. President Thomas Jefferson.
According to the 2000 census, the county has a total area of 527.19 square miles (1,365.4 km2), of which 519.39 square miles (1,345.2 km2) (or 98.52%) is land and 7.81 square miles (20.2 km2) (or 1.48%) is water.
Major highways 
Adjacent counties 
- Claiborne County (north)
- Copiah County (northeast)
- Lincoln County (southeast)
- Franklin County (south)
- Adams County (southwest)
- Tensas Parish, Louisiana (west)
||Claiborne County||Copiah County|
|Tensas Parish, Louisiana|
|Adams County||Franklin County||Lincoln County|
National protected areas 
|MS Counties 1900-1990
GeoHive - 2000 & 2010 statistics
As of the census of 2000, there were 9,740 people, 3,308 households, and 2,338 families residing in the county. The population density was 19 people per square mile (7/km²). There were 3,819 housing units at an average density of 7 per square mile (3/km²). The racial makeup of the county was 13.06% White, 86.49% Black or African American, 0.08% Native American, 0.10% Asian, 0.01% Pacific Islander, 0.02% from other races, and 0.24% from two or more races. 0.66% of the population were Hispanic or Latino of any race. Jefferson County has the highest percentage of black residents of any U.S. county.
There were 3,308 households out of which 36.60% had children under the age of 18 living with them, 36.00% were married couples living together, 28.50% had a female householder with no husband present, and 29.30% were non-families. 27.10% of all households were made up of individuals and 10.10% had someone living alone who was 65 years of age or older. The average household size was 2.75 and the average family size was 3.36.
In the county the population was much younger than the national average with 28.80% under the age of 18, 12.10% from 18 to 24, 28.50% from 25 to 44, 19.60% from 45 to 64, and 10.90% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 99.00 males. For every 100 females age 18 and over, there were 99.00 males.
The median income for a household in the county was $18,447, and the median income for a family was $23,188. Males had a median income of $25,726 versus $18,000 for females. The per capita income for the county was $9,709. About 32.50% of families and 36.00% of the population were below the poverty line, including 46.00% of those under age 18 and 34.40% of those age 65 or over.
- Ghost towns
Jefferson County School District operates public schools.
According to a May 2004 Time Magazine article on obesity in the United States, Jefferson County had the highest percentage of obese adult residents (26.1%) of any county in the U.S. In that context, the percentage measured were those with a body mass index between 30 and 40 (any measure greater than 40 corresponds to morbid obesity). The county also has one of the highest rates of Bank Card delinquency rates in the United States, at 6.21% (2009Q1).
See also 
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "King: They'll take small victories in struggling Mississippi county." CNN. Friday, September 25, 2009. Retrieved September 26, 2009.
- "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- Bank card delinquency rates in U.S.
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