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2028 Senate map

34 Senate seats, the Class III seats, are up on November 7, 2028. Republicans hold 18 of them and Democrats 16. The table shows each seat's holder and how the state voted for president in 2024.

Map of the U.S. Senate seats up in 2028
Held by a DemocratHeld by a RepublicanNot up in 2028
StateSenatorParty2024 presidential margin
AlabamaKatie Boyd BrittRepublicanR+30.5
AlaskaLisa MurkowskiRepublicanR+13.1
ArizonaMark KellyDemocratR+5.5
ArkansasJohn BoozmanRepublicanR+30.6
CaliforniaAlex PadillaDemocratD+20.2
ColoradoMichael F. BennetDemocratD+11.0
ConnecticutRichard BlumenthalDemocratD+14.5
FloridaAshley Moody (Won the 2026 special election)RepublicanR+13.1
GeorgiaRaphael G. WarnockDemocratR+2.2
HawaiiBrian SchatzDemocratD+22.8
IdahoMike CrapoRepublicanR+36.5
IllinoisTammy DuckworthDemocratD+10.9
IndianaTodd YoungRepublicanR+19.0
IowaChuck GrassleyRepublicanR+13.1
KansasJerry MoranRepublicanR+16.2
KentuckyRand PaulRepublicanR+30.6
LouisianaJohn KennedyRepublicanR+22.0
MarylandChris Van HollenDemocratD+28.5
MissouriEric SchmittRepublicanR+18.4
NevadaCatherine Cortez MastoDemocratR+3.1
New HampshireMargaret Wood HassanDemocratD+2.8
New YorkCharles E. SchumerDemocratD+12.4
North CarolinaTed BuddRepublicanR+3.3
North DakotaJohn HoevenRepublicanR+36.5
OhioSherrod Brown (Won the 2026 special election; replaces Jon Husted)DemocratR+11.2
OklahomaJames LankfordRepublicanR+34.3
OregonRon WydenDemocratD+14.3
PennsylvaniaJohn FettermanDemocratR+1.7
South CarolinaTim ScottRepublicanR+17.8
South DakotaJohn ThuneRepublicanR+29.2
UtahMike LeeRepublicanR+21.2
VermontPeter WelchDemocratD+31.2
WashingtonPatty MurrayDemocratD+18.2
WisconsinRon JohnsonRepublicanR+0.9

Holders reflect the official Senate roster and the 2026 special elections. Retirements and vacancies before 2028 can change who is on the ballot.