States Where Adultery is Illegal 2025

Decriminalized
20
Never Decriminalized or Unknown Date of Decriminalization
15
Misdemeanor
13
Felony
3
State
Legality of Adultery
Alaska Flag
AlaskaNever Decriminalized or Unknown Date of Decriminalization
Arkansas Flag
ArkansasNever Decriminalized or Unknown Date of Decriminalization
Hawaii Flag
HawaiiNever Decriminalized or Unknown Date of Decriminalization
Indiana Flag
IndianaNever Decriminalized or Unknown Date of Decriminalization
Iowa Flag
IowaNever Decriminalized or Unknown Date of Decriminalization
Kentucky Flag
KentuckyNever Decriminalized or Unknown Date of Decriminalization
Louisiana Flag
LouisianaNever Decriminalized or Unknown Date of Decriminalization
Maine Flag
MaineNever Decriminalized or Unknown Date of Decriminalization
Nevada Flag
NevadaNever Decriminalized or Unknown Date of Decriminalization
New Mexico Flag
New MexicoNever Decriminalized or Unknown Date of Decriminalization
South Dakota Flag
South DakotaNever Decriminalized or Unknown Date of Decriminalization
Tennessee Flag
TennesseeNever Decriminalized or Unknown Date of Decriminalization
Texas Flag
TexasNever Decriminalized or Unknown Date of Decriminalization
Vermont Flag
VermontNever Decriminalized or Unknown Date of Decriminalization
Washington Flag
WashingtonNever Decriminalized or Unknown Date of Decriminalization
Alabama Flag
AlabamaMisdemeanor
Arizona Flag
ArizonaMisdemeanor
Florida Flag
FloridaMisdemeanor
Georgia Flag
GeorgiaMisdemeanor
Illinois Flag
IllinoisMisdemeanor
Kansas Flag
KansasMisdemeanor
Maryland Flag
MarylandMisdemeanor
Mississippi Flag
MississippiMisdemeanor
North Carolina Flag
North CarolinaMisdemeanor
North Dakota Flag
North DakotaMisdemeanor
Rhode Island Flag
Rhode IslandMisdemeanor
South Carolina Flag
South CarolinaMisdemeanor
Virginia Flag
VirginiaMisdemeanor
Michigan Flag
MichiganFelony
Oklahoma Flag
OklahomaFelony
Wisconsin Flag
WisconsinFelony
California Flag
CaliforniaDecriminalized
Colorado Flag
ColoradoDecriminalized
Connecticut Flag
ConnecticutDecriminalized
Delaware Flag
DelawareDecriminalized
District of Columbia Flag
District of ColumbiaDecriminalized
Idaho Flag
IdahoDecriminalized
Massachusetts Flag
MassachusettsDecriminalized
Minnesota Flag
MinnesotaDecriminalized
Missouri Flag
MissouriDecriminalized
Montana Flag
MontanaDecriminalized
Nebraska Flag
NebraskaDecriminalized
New Hampshire Flag
New HampshireDecriminalized
New Jersey Flag
New JerseyDecriminalized
New York Flag
New YorkDecriminalized
Ohio Flag
OhioDecriminalized
Oregon Flag
OregonDecriminalized
Pennsylvania Flag
PennsylvaniaDecriminalized
Utah Flag
UtahDecriminalized
West Virginia Flag
West VirginiaDecriminalized
Wyoming Flag
WyomingDecriminalized
  • Even in states in which it is illegal (including three in which it is a felony), adultery is very rarely prosecuted.