Democratic: 50–60% 60-70% 70–80% >90%
Mike Miller Democratic
The 2010 Maryland Senate election were held on November 2, 2010, to elect senators in all 47 districts of the Maryland Senate. Members were elected in single-member constituencies to four-year terms. These elections were held concurrently with various federal and state elections, including for Governor of Maryland.
Seats where the margin of victory was under 10%:
District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26 • District 27 • District 28 • District 29 • District 30 • District 31 • District 32 • District 33 • District 34 • District 35 • District 36 • District 37 • District 38 • District 39 • District 40 • District 41 • District 42 • District 43 • District 44 • District 45 • District 46 • District 47