|— City —|
|Motto: A City With Pride|
|• Mayor||Kenneth Lott|
|• Total||1.9 sq mi (4.8 km2)|
|• Land||1.9 sq mi (4.8 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||30 ft (9 m)|
|• Density||1,946.6/sq mi (751.6/km2)|
|Time zone||Central Time Zone (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||1369461|
As of the census of 2000, there were 3,624 people, 1,338 households, and 974 families residing in the city. The population density was 1,946.6 people per square mile (752.3/km²). There were 1,444 housing units at an average density of 775.6 per square mile (299.7/km²). The racial makeup of the city was 75.25% White, 15.78%African American, 1.02% Native American, 0.41% Asian, 5.99% from other races, and 1.55% from two or more races. Hispanic or Latino of any race were 13.71% of the population.
There were 1,338 households out of which 38.0% had children under the age of 18 living with them, 53.8% were married couples living together, 14.9% had a female householder with no husband present, and 27.2% were non-families. 23.7% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.14.
In the city the population was spread out with 29.7% under the age of 18, 8.4% from 18 to 24, 26.1% from 25 to 44, 19.7% from 45 to 64, and 16.1% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 122.3 males. For every 100 females age 18 and over, there were 145.3 males.
The median income for a household in the city was $36,497, and the median income for a family was $42,128. Males had a median income of $43,854 versus $25,710 for females. The per capita income for the city was $16,755. About 10.4% of families and 9.9% of the population were below the poverty line, including 9.4% of those under age 18 and 11.7% of those age 65 or over.
Geography and Roads
Sweeny is 30 feet (9.1 m) above sea level and is 20 miles (32 km) from the Gulf Of Mexico. The San Bernard River flows 1-mile (1.6 km) west of city limits. The town is in a dense forest on coastal plains.
Sweeny is at the intersections of Farm Road 1459 and 524. The town is accessible from Highway 35 by taking 1459 or 524, which intersect in Sweeny 5 miles (8.0 km) from the highway, forming a "loop" off of 35. Brazoria County Road 332, known as Ashley-Wilson Road is also a main thoroughfare through the city.
Union Pacific Railroad cuts a path through a small piece of the south side of Sweeny, with two grade crossings and a railyard. Train speeds through here usually range from 35–60 miles an hour.
City Government / Services
Sweeny is served by a Council-Manager form of Government. The city has a Police Department (Sweeny PD) which boasts a low crime rate, a Volunteer Fire Department (Sweeny Fire and Rescue), a hospital (Sweeny Community Hospital) which is a state recognized level IV trauma center and operates the city's EMS service (Sweeny EMS).
Sweeny Community Hospital has developed a flourishing healthcare section. A wound care center was recently started in Sweeny. Multiple physician general practitioners and specialist physicians have clinics in Sweeny.
Once known as Adamston, the town was named for the family of John Sweeny. The original Sweeny family home, marked by a Texas Historical Society medallion, was still occupied by a descendant of the Sweeny family as of 1991. St. Louis, Brownsville and Mexico Railway laid a side track lined with gardens to the town in 1905. In 1895, a post office was formed, closed two years later and then reopened in 1905. A general store and cotton gin were completed in 1908 and a school organized in 1911, with 11 students. Burton D. Hurd, whose company promoted 10-acre (40,000 m2) suburban garden farms with "Soil Richer Than the Valley of the River Nile" to prospective settlers, platted the townsite in 1911 and by 1914, the town had a gristmill, sawmill, cotton gin, hotel, and several general stores. In 1918 it had a brick factory and an orange orchard and in 1912, a school district was formed. In 1934, oil was discovered in Old Ocean, creating development which made Sweeny prosper. In 1942, a government carbon black plant was built and was taken over by Phillips Petroleum, which developed the facilities into a refinery, natural gas liquids center, and petrochemicals complex with pipelines to markets in the eastern United States. In 2000, Phillips Petroleum merged with both Conoco Inc. to form ConocoPhillips. Sweeny's population in the latter 20th century has fluctuated from 3,087 to 3,699.
Timeline Of Sweeny
1833:: John Sweeny settles just outside what will become a town bearing his name.
1905: Railroad reaches town.
1912: Independent school system formed.
1914: Population reaches 200.
1934: Old ocean oilfield discovered.
1945: City incorporated.
1966: Won state in football.
1967: City park built.
1988: Community Center / Library completed.
2001: Sweeny mourned the loss of Americans on September 11.
2002: Tropical Storm Fay dumps over 20 inches (510 mm) of rain in Sweeny, flooding most roads.
2004: Sweeny gets Christmas snow, with almost 10 inches reported in some places.
2007: Running out of space to grow, Sweeny plans to start annexing land.
2008: Sweeny's mayoral race is decided by 1 vote. Rodney Weems beat Phyllis Kittinger for the title. In the November general election, voters approved the sale of alcohol in Sweeny for the first time. Southeast Texas receives an early Christmas present, another snow fall.
2009: Kenneth Lott was elected Mayor.
2010: Hurricane Alex made landfall in Mexico. However, rain bands from Alex dumped more than a foot of rain over two days, flooding houses twice within 24 hours. 
2011: FM 524 bypass from State Highway 35 to County Road 359 in Old Ocean is completed, giving travelers from the west a route around the ConocoPhillips refinery.
Early 2012: Sweeny is once again flooded by heavy downpours, with several roads shut down and water in some residences, although work is being done to alleviate the constant flood problems.
Schools are part of the Sweeny Independent School District. Sweeny ISD serves the city of Sweeny as well as outlying areas including Churchill, Shady Acres, River's End, and Old Ocean. The High School's mascot is the Bulldog.
Schools in the district are Sweeny Elementary(K-5), Sweeny Junior High(6-8), and Sweeny High School(9-12), which is a 3A school. In 2007 construction began on the high school to renovate the current building. With growing security concerns the Board of Trustees approved the renovation of the High School, because most of the campus was open to the outside. The new school will have limited outside access. Classes met in the new building December 1, 2008..
Wharton County Junior College and Brazosport College are both within a 45 minute drive from Sweeny.
The Sweeny Library, part of the Brazoria County Library System, is located at 205 West Ashley-Wilson Road.
- Elmo Wright - Former NFL Wide Receiver \ Credited with the First End Zone Dance
- Tracy Simien - Former NFL Linebacker
- Cedric Woodard - Former NFL Defensive Tackle
- Kevin Garrett - Former NFL Cornerback
- Johnnie Lee Higgins -Former NFL Wide Receiver
- Tank Carder- TCU Linebacker Cleveland Browns
- Ray Butler - Former NFL Wide Receiver Baltimore Colts and Seattle Seahawks
- U.S. Geological Survey Geographic Names Information System: USGS Place names
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.