Asunción Tlacolulita (ah-soon-see-ON tlah-ko-loo-LEE-tah), town (1990 pop. 664), in SE Oaxaca, Mexico, 37 mi/60 km W of Santo Domingo Tehuantepec; elev. 5,052 ft/1,540 m. Mountainous near Tehuantepec R. Pop. mainly Zapotec Indian. Small farming, mainly for subsistence.