1998 Maryland Senate election

The 1998 Maryland Senate election were held on November 3, 1998, 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.

Closest races
Seats where the margin of victory was under 10%:• # State Senate district 34, 0.37%

• # State Senate district 15, 1.84%

• # State Senate district 32, 3.65% (gain)

• # State Senate district 39, 9.26%

• # State Senate district 4, 9.59%

Republicans

 * 1) District 33: David R. Craig retired to run for Harford County Executive.

Democrats

 * 1) District 24: Decatur "Bucky" Trotter lost renomination to Nathaniel Exum.
 * 2) District 44: John D. Jefferies lost renomination to Clarence Mitchell IV.

Republicans

 * 1) District 3: John W. Derr lost renomination to Alex Mooney.
 * 2) District 9: F. Vernon Boozer lost renomination to Andy Harris.

Democrats

 * 1) District 35: Donald C. Fry lost to J. Robert Hooper.

Republicans

 * 1) District 32: C. Edward Middlebrooks lost to James E. DeGrange Sr.

Detailed results
All election results are from the Maryland State Board of Elections.