United States Senate – GOP Hold
Charles Mathias, Jr. (R-inc) – 503,223 – 57.33%
Barbara Mikulski (D) – 374,563 – 42.67%
Total Votes – 877,786 – 100.00%
United States House of Representatives – District 1 – GOP Hold
Robert E. Bauman (R-inc) – 59,570 – 52.99%
Thomas J. Hatem (D) – 52,853 – 47.01%
Total Votes – 112,423 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Clarence D. Long (D-inc) – 103,222 – 77.11%
John M. Seney (R) – 30,639 – 22.89%
Total Votes – 133,861 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Paul S. Sarbanes (D-inc) – 93,218 – 83.84%
William H. Mathews (R) – 17,967 – 16.16%
Total Votes – 111,185 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Marjorie S. Holt (R-inc) – 61,208 – 58.15%
Fred L. Wineland (D) – 44,059 – 41.85%
Total Votes – 105,267 – 100.00%
United States House of Representatives – District 5 – DEM Gain
Gladys Spellman (D) – 45,211 – 52.56%
John B. Burcham, Jr. (R) – 40,805 – 47.44%
Total Votes – 86,016 – 100.00%
United States House of Representatives – District 6 – DEM Hold
Goodloe E. Byron (D-inc) – 90,882 – 73.71%
Elton R. Wampler (R) – 32,416 – 26.29%
Total Votes – 123,298 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Parren J. Mitchell (D-inc) – 43,252 – 100.00%
United States House of Representatives – District 8 – GOP Hold
Gilbert Gude (R-inc) – 104,675 – 65.92%
Sidney Kramer (D) – 54,112 – 34.08%
Total Votes – 158,787 – 100.00%