Housing in Mullin is modest and inexpensive, reflecting the town's small size. The stock is a mix of older frame and brick homes on the town's grid, ranch-style houses, and rural homes on larger acreage surrounding town. Land is plentiful and affordable, with ranch and hunting properties a significant part of the local market. Inventory is limited and turnover slow. Buyers are typically drawn by low cost of living, the small school district, and the room to spread out that the Central Texas countryside offers.

Life in Mullin centers on school, church, and the land. Friday-night football and school events anchor the community calendar, and the town's small scale means neighbors know one another. Ranching, hunting, and agriculture shape the rhythm of the year. For shopping, healthcare, and services, residents drive to Goldthwaite or Brownwood, while the larger cities of Central Texas are within reach for bigger needs. The pace is slow and self-reliant, in keeping with the Hill Country around it.

Mullin is served by Mullin ISD, a small rural district that provides the full K–12 pathway from a compact campus. The district has attracted renewed enrollment in recent years, with roughly six students per teacher, offering an unusually personalized setting. Its small scale means students often participate across multiple sports and activities. For higher education, residents look to regional institutions such as Howard Payne University in Brownwood and Tarleton State University in Stephenville, within commuting distance.

Mullin sits on U.S. Highway 84, the principal east-west route through Mills County, connecting the town to Goldthwaite to the east and to Brownwood and points west. State highways link the area to Lampasas and Hamilton to the south and east. There is no rail or air service in town; the nearest commercial airports are in Waco, Killeen, and the Dallas-Fort Worth metro. Travel is by car, with the Hill Country's two-lane highways shaping a relaxed driving pattern.

Recreation around Mullin is rooted in the outdoors. The surrounding ranchland supports hunting, and nearby lakes and the Colorado River offer fishing and boating. The Hill Country's quiet roads suit cycling and scenic drives, and the region's parks and state natural areas provide hiking and wildlife viewing. For organized sports and events, residents look to Goldthwaite and the larger Central Texas towns.