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Primary
41
Both
6
Caucus
3

Caucus States 2024

Caucus States 2024

Caucus States 2024

  • Colorado used a caucus system from 2002 to the 2020 election, after which the state switched to a primary system. Colorado still holds caucuses as well, but they are used to elect representatives to the national conventions. The primaries are the sole method used to determine the state's preferred presidential candidates.

50 states

State
Caucus or Primary
AlabamaPrimary
ArizonaPrimary
ArkansasPrimary
CaliforniaPrimary
ColoradoPrimary
ConnecticutPrimary
DelawarePrimary
FloridaPrimary
GeorgiaPrimary
IllinoisPrimary
IndianaPrimary
KansasPrimary
KentuckyPrimary
LouisianaPrimary
MainePrimary
MarylandPrimary
MassachusettsPrimary
MichiganPrimary
MinnesotaPrimary
MississippiPrimary
MontanaPrimary
NebraskaPrimary
New HampshirePrimary
New JerseyPrimary
New MexicoPrimary
New YorkPrimary
North CarolinaPrimary
OhioPrimary
OklahomaPrimary
OregonPrimary
PennsylvaniaPrimary
Rhode IslandPrimary
South CarolinaPrimary
South DakotaPrimary
TennesseePrimary
TexasPrimary
VermontPrimary
VirginiaPrimary
WashingtonPrimary
West VirginiaPrimary
WisconsinPrimary
IdahoCaucus
IowaCaucus
WyomingCaucus
AlaskaBoth
HawaiiBoth
MissouriBoth
NevadaBoth
North DakotaBoth
UtahBoth

Sources