Rockwall County, at approximately 147 square miles, is the smallest county
in Texas.
Median Age
35.7
Median Household Income
$75,693
Avg. Home Value
$197,022
Annual Avg. Temp.
66º F
Annual Avg. Precip.
36.9
Monthly Avg. High Temp.
77º F
Monthly Avg. Low Temp
55º F
Annual Avg. Snowfall
0"
Lattitude
32.931N
Longitude
96.459W
Elevation
390' - 620'
Early pioneer T.U. Wade discovered the rock wall when digging a well in the mid-1800s, about the time the town was founded. Wade suggested naming the town Rockwall after the curious geological formation. . more...