Campbellton is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Atascosa County, Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. An Irish immigrant, John F. Campbell, began the community in the 1860's by promoting settlement in the area. According to the Handbook of Texas

Handbook of Texas

The Handbook of Texas is a comprehensive encyclopedia of Texas geography, history, and historical persons published by the Texas State Historical Association .-History:...

, the community had an estimated population of 350 in 2000.

It is located at 28°44′51"N 98°18′09"W (28.7474820, -98.3025108), at the junction of U.S. Highway 281

U.S. Route 281

U.S. Route 281 is a north–south United States highway. At 1,872 miles long it is the longest continuous three-digit U.S. Route....

, FM 1099, and the Atascosa River

Atascosa River

-References:**USGS Hydrologic Unit Map - State of Texas...

 in southeastern Atascosa County, approximately 12 miles east of Christine

Christine, Texas

Christine is a town in Atascosa County, Texas, United States. The population was 436 at the 2000 census. It is part of the San Antonio Metropolitan Statistical Area.-Etymology:In October 1910, the town of "New Artesia" was to be incorporated...

 and 54 miles south of San Antonio

San Antonio, Texas

San Antonio is the seventh-largest city in the United States of America and the second-largest city within the state of Texas, with a population of 1.33 million. Located in the American Southwest and the south–central part of Texas, the city serves as the seat of Bexar County. In 2011,...

. Campbellton is part of the San Antonio Metropolitan Statistical Area.

Although it is unincorporated, Campbellton has a post office with the zip code of 78008.. Public education is provided by the Pleasanton Independent School District

Pleasanton Independent School District

Pleasanton Independent School District is a public school district based in Pleasanton, Texas .In 2009, the school district was rated "academically acceptable" by the Texas Education Agency.-Schools:*Pleasanton High...

.