 The village of Tompkins, and the town of Gull Lake are among the communities of R.M. of Gull Lake No 139. Both Tompkins with its 173 residents and Gull Lake serving 965 residents have their own municipal government. Gull Lake is an older community establishing its post office April 1, 1889. The south Saskatchewan region, an early ranching area was home to the 76 Ranch. The ranch house, constructed in 1888, is now the Gull Lake School Division office. Within Gull Lake No 139, which was created in 1913, are several wind turbine generators which can be seen when traversing the Trans – Canada Highway.
