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 | Never Decriminalized or Unknown Date of Decriminalization |
 | Arkansas | Never Decriminalized or Unknown Date of Decriminalization |
 | Hawaii | Never Decriminalized or Unknown Date of Decriminalization |
 | Indiana | Never Decriminalized or Unknown Date of Decriminalization |
 | Iowa | Never Decriminalized or Unknown Date of Decriminalization |
 | Kentucky | Never Decriminalized or Unknown Date of Decriminalization |
 | Louisiana | Never Decriminalized or Unknown Date of Decriminalization |
 | Maine | Never Decriminalized or Unknown Date of Decriminalization |
 | Nevada | Never Decriminalized or Unknown Date of Decriminalization |
 | New Mexico | Never Decriminalized or Unknown Date of Decriminalization |
 | South Dakota | Never Decriminalized or Unknown Date of Decriminalization |
 | Tennessee | Never Decriminalized or Unknown Date of Decriminalization |
 | Texas | Never Decriminalized or Unknown Date of Decriminalization |
 | Vermont | Never Decriminalized or Unknown Date of Decriminalization |
 | Washington | Never Decriminalized or Unknown Date of Decriminalization |
 | Alabama | Misdemeanor |
 | Arizona | Misdemeanor |
 | Florida | Misdemeanor |
 | Georgia | Misdemeanor |
 | Illinois | Misdemeanor |
 | Kansas | Misdemeanor |
 | Maryland | Misdemeanor |
 | Mississippi | Misdemeanor |
 | North Carolina | Misdemeanor |
 | North Dakota | Misdemeanor |
 | Rhode Island | Misdemeanor |
 | South Carolina | Misdemeanor |
 | Virginia | Misdemeanor |
 | Michigan | Felony |
 | Oklahoma | Felony |
 | Wisconsin | Felony |
 | California | Decriminalized |
 | Colorado | Decriminalized |
 | Connecticut | Decriminalized |
 | Delaware | Decriminalized |
 | District of Columbia | Decriminalized |
 | Idaho | Decriminalized |
 | Massachusetts | Decriminalized |
 | Minnesota | Decriminalized |
 | Missouri | Decriminalized |
 | Montana | Decriminalized |
 | Nebraska | Decriminalized |
 | New Hampshire | Decriminalized |
 | New Jersey | Decriminalized |
 | New York | Decriminalized |
 | Ohio | Decriminalized |
 | Oregon | Decriminalized |
 | Pennsylvania | Decriminalized |
 | Utah | Decriminalized |
 | West Virginia | Decriminalized |
 | Wyoming | Decriminalized |
- Even in states in which it is illegal (including three in which it is a felony), adultery is very rarely prosecuted.
