Zephyr is an unincorporated community and census designated place in Brown County, Texas, United States. According to the Handbook of Texas, the community had an estimated population of 198 in 2000. Zephyr lies along U.S. Highway 84 in southeastern Brown County, about 12 miles east of Brownwood, 42 miles east of Coleman, and 54 miles southwest of …Zephyr is an unincorporated community and census designated place in Brown County, Texas, United States. According to the Handbook of Texas, the community had an estimated population of 198 in 2000. Zephyr lies along U.S. Highway 84 in southeastern Brown County, about 12 miles east of Brownwood, 42 miles east of Coleman, and 54 miles southwest of Stephenville.