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 County results Beall: 50–60% 60–70% 70–80% Tydings: 50–60% 60–70% | |||||||||||||||||
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The1970 United States Senate election in Maryland took place on November 3, 1970. Incumbent Democratic U.S. SenatorJoseph Tydings ran for re-election to a second term, but was narrowly defeated by Republican U.S. RepresentativeJ. Glenn Beall Jr.
Tydings had defeated Beall's father, SenatorJames Glenn Beall six years earlier. Tydings's own adoptive fatherMillard had served as senator as well as Beall Sr., making this a rare dynastic election between the sons of former senators.
As of 2024[update], this was the last time a Republican won the Class 1 Senate seat in Maryland.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Joseph Tydings (incumbent) | 242,874 | 52.68% | |
| Democratic | George P. Mahoney | 173,157 | 37.56% | |
| Democratic | Walter Gilchrist Finch | 33,361 | 7.24% | |
| Democratic | Charles D. White | 11,628 | 2.52% | |
| Total votes | 461,020 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | J. Glenn Beall Jr. | 99,687 | 83.49% | |
| Republican | Harry L. Simms | 9,927 | 8.31% | |
| Republican | Wainwright Dawson | 9,786 | 8.20% | |
| Total votes | 119,400 | 100.00% | ||
| Party | Candidate | Votes | % | ±% | ||
|---|---|---|---|---|---|---|
| Republican | J. Glenn Beall Jr. | 484,960 | 50.71% |  13.49 | ||
| Democratic | Joseph Tydings (incumbent) | 460,422 | 48.14% |  14.64 | ||
| American | Harvey Wilder | 10,988 | 1.15% | N/A | ||
| Total votes | 956,370 | 100.00% | ||||
| Republicangain fromDemocratic | ||||||
| County | J. Glenn Beall Republican | Joseph Tydings Democratic | Harvey Wilder American | Margin | Total Votes Cast | ||||
|---|---|---|---|---|---|---|---|---|---|
| # | % | # | % | # | % | # | % | ||
| Allegany | 16432 | 64.96% | 8425 | 33.31% | 437 | 1.73% | 8007 | 31.66% | 25294 |
| Anne Arundel | 39649 | 60.54% | 24986 | 38.15% | 857 | 1.31% | 14663 | 22.39% | 65492 |
| Baltimore | 101631 | 57.17% | 74479 | 41.89% | 1668 | 0.94% | 27152 | 15.27% | 177778 |
| Baltimore City | 66552 | 33.47% | 128392 | 64.58% | 3876 | 1.95% | -61840 | -31.10% | 198820 |
| Calvert | 2854 | 56.68% | 2141 | 42.52% | 40 | 0.79% | 713 | 14.16% | 5035 |
| Caroline | 3034 | 70.79% | 1227 | 28.63% | 25 | 0.58% | 1807 | 42.16% | 4286 |
| Carroll | 12015 | 75.18% | 3804 | 23.80% | 163 | 1.02% | 8211 | 51.38% | 15982 |
| Cecil | 7527 | 63.67% | 4184 | 35.39% | 111 | 0.94% | 3343 | 28.28% | 11822 |
| Charles | 5828 | 58.50% | 4062 | 40.77% | 73 | 0.73% | 1766 | 17.73% | 9963 |
| Dorchester | 5119 | 69.81% | 2108 | 28.75% | 106 | 1.45% | 3011 | 41.06% | 7333 |
| Frederick | 14746 | 65.85% | 7375 | 32.93% | 272 | 1.21% | 7371 | 32.92% | 22393 |
| Garrett | 4701 | 78.93% | 1182 | 19.85% | 73 | 1.23% | 3519 | 59.08% | 5956 |
| Harford | 15405 | 60.27% | 9940 | 38.89% | 213 | 0.83% | 5465 | 21.38% | 25558 |
| Howard | 10097 | 61.95% | 6061 | 37.19% | 141 | 0.87% | 4036 | 24.76% | 16299 |
| Kent | 3502 | 65.37% | 1818 | 33.94% | 37 | 0.69% | 1684 | 31.44% | 5357 |
| Montgomery | 68020 | 43.08% | 88952 | 56.33% | 933 | 0.59% | -20932 | -13.26% | 157905 |
| Prince George's | 59385 | 46.01% | 68356 | 52.96% | 1327 | 1.03% | -8971 | -6.95% | 129068 |
| Queen Anne's | 3073 | 63.30% | 1753 | 36.11% | 29 | 0.60% | 1320 | 27.19% | 4855 |
| St. Mary's | 4298 | 54.38% | 3555 | 44.98% | 50 | 0.63% | 743 | 9.40% | 7903 |
| Somerset | 3995 | 68.37% | 1805 | 30.89% | 43 | 0.74% | 2190 | 37.48% | 5843 |
| Talbot | 4852 | 69.05% | 2143 | 30.50% | 32 | 0.46% | 2709 | 38.55% | 7027 |
| Washington | 19088 | 67.85% | 8611 | 30.61% | 435 | 1.55% | 10477 | 37.24% | 28134 |
| Wicomico | 9305 | 69.99% | 3883 | 29.21% | 106 | 0.80% | 5422 | 40.79% | 13294 |
| Worcester | 3852 | 75.93% | 1180 | 23.26% | 41 | 0.81% | 2672 | 52.67% | 5073 |
| Total | 484960 | 50.70% | 460422 | 48.14% | 11088 | 1.16% | 24538 | 2.57% | 956470 |
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See also:Political party strength in Maryland | |||||||||||||||||||
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