Big fan of election and demographic numbers since 2006
 

1966 United States Congressional Elections – Arkansas

United States Senate – DEM Hold

John Little McClellan (D-inc) – unopposed

United States House of Representatives – District 1 – DEM Hold

Ezekiel C. (Took) Gathings (D-inc) – unopposed

United States House of Representatives – District 2 – DEM Hold

Wilbur D. Mills (D-inc) – unopposed

United States House of Representatives – District 3 – GOP Gain

John P. Hammerschmidt (R) – 83,93853.14%

James William Trimble (D-inc) – 74,00946.86%

Total Votes – 157,947100.00%

United States House of Representatives – District 4 – DEM Hold

David Pryor (D) – 86,88764.99%

Lynn Lowe (R) – 46,80435.01%

Total Votes – 133,691100.00%