Robert Lee, the county seat of Coke County
, is at the junction of Hwys 158 and 208 and the confluence of Mountain Creek and the Colorado River, 31 miles north of San Angelo
From its founding until the early 1950s Robert Lee fluctuated in population between 500 and 700. Between 1952 and 1988 the population was over 1,000; it attained a new high of 1,391 in 1988. In 1990 it was 1,276.
Rattlesnake roundups have been popular events, but the town's importance has rested on its role as the commercial and legal center of the county. Schools, hospitals, and more than twenty businesses provide services, and Robert Lee is the region's oilfield supply center.
A major recreational center for the area is the E. V. Spence Reservoir (formerly the Robert Lee Reservoir), two miles west of town, completed in 1970.