Location of Buna, Texas
|• Total||6.02 sq mi (15.58 km2)|
|• Land||6.01 sq mi (15.57 km2)|
|• Water||0.004 sq mi (0.01 km2)|
|Elevation||75 ft (23 m)|
|• Density||356/sq mi (137.6/km2)|
|Time zone||UTC-6 (Central (CST))|
|• Summer (DST)||UTC-5 (CDT)|
|GNIS feature ID||1353302|
The Beaumont Lumber Company mill in southern Jasper County was first called "Carrolla" for the Carroll family, prominent Beaumont lumbermen and industrialists. The site was subsequently renamed "Buna", however, in honor of one of the family's cousins, Buna Corley.
Buna is located in southern Jasper County at  U.S. Route 96 runs along the west side of the community, leading north 16 miles (26 km) to Kirbyville and 35 miles (56 km) to Jasper, the county seat. US-96 leads southwest from Buna 9 miles (14 km) to Evadale and 35 miles (56 km) to Beaumont. Texas State Highway 62 leads southeast 17 miles (27 km) to Mauriceville.(30.439390, -93.966199).
According to the United States Census Bureau, the Buna CDP has a total area of 6.0 square miles (15.6 km2), of which 0.004 square miles (0.01 km2), or 0.08%, are water. The community sits on a low watershed divide, with the west side of town draining to the Neches River and the east side draining to the Sabine River.
As of the census of 2000, there were 2,269 people, 865 households, and 626 families residing in the CDP. The population density was 381.4 people per square mile (147.2/km²). There were 956 housing units at an average density of 160.7/sq mi (62.0/km²). The racial makeup of the CDP was 86.16% White, 11.37% African American, 0.44% Native American, 0.13% Asian, 0.09% Pacific Islander, 0.71% from other races, and 1.10% from two or more races. Hispanic or Latino of any race were 1.50% of the population.
There were 865 households out of which 35.3% had children under the age of 18 living with them, 58.4% were married couples living together, 11.6% had a female householder with no husband present, and 27.6% were non-families. 25.7% of all households were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.07.
In the CDP, the population was spread out with 26.3% under the age of 18, 10.0% from 18 to 24, 26.8% from 25 to 44, 23.0% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 87.7 males. For every 100 females age 18 and over, there were 86.1 males.
The median income for a household in the CDP was $29,611, and the median income for a family was $33,952. Males had a median income of $29,766 versus $20,848 for females. The per capita income for the CDP was $13,999. About 10.2% of families and 11.9% of the population were below the poverty line, including 12.1% of those under age 18 and 11.2% of those age 65 or over.
- "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "Geographic Identifiers: 2010 Census Summary File 1 (G001): Buna CDP, Texas". American Factfinder. U.S. Census Bureau. Retrieved December 7, 2018.
- Handbook of Texas Online - BUNA, TX
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.