Concepcion (/kənˌsɛpsiˈoʊn/ kən-sep-see-OHN) is an unincorporated community and census-designated place (CDP) in Duval County, Texas, United States.

[3] It is 31 miles (50 km) southwest of San Diego, the county seat.

According to the United States Census Bureau, the CDP has a total area of 0.1 square miles (0.26 km2), all land.

Concepcion TX is home to the oldest Catholic church in South Texas, a small chapel built in 1866 and renovated in 1947.

The town is known by the Spanish nickname "La Chona," which means "the village."