Can an Illegal Immigrant Get Deported for a Misdemeanor?

Yes, an undocumented immigrant can be deported for a misdemeanor, but the reason is more layered than it sounds. A person without lawful status is already removable under federal law, with or without a criminal case. What a misdemeanor conviction does is make removal far more likely: it flags the person to immigration enforcement, and depending on the offense, it can eliminate every legal defense that would otherwise let them stay. Whether any given misdemeanor triggers that outcome has almost nothing to do with the state calling it a misdemeanor and almost everything to do with how federal immigration law classifies the underlying offense.

Undocumented Status Is Already a Deportable Condition

Someone who entered without authorization or overstayed a visa is already deportable under the Immigration and Nationality Act.¹ No criminal charge is required for the government to start removal proceedings.

A misdemeanor changes the calculus in three concrete ways. It puts the person into fingerprint and information-sharing systems that alert immigration authorities. It raises the person’s priority for enforcement. And certain convictions eliminate the forms of relief that could otherwise block removal. Someone with a clean record facing deportation may qualify for cancellation of removal or another defense. Someone with the wrong misdemeanor on their record may have no defense left.

Why the Misdemeanor Label Doesn’t Decide the Outcome

Immigration is governed exclusively by federal law. A state’s decision to call a crime a misdemeanor signals a lighter penalty than a felony, but it carries no weight with federal immigration authorities. Federal agencies look past the state label and examine the elements of the statute the person was convicted under.

Immigration courts apply what’s called the categorical approach. Rather than asking what the person actually did, the court asks what the minimum conduct is that could realistically be prosecuted under the statute. If that minimum conduct fits a federal deportability category, the conviction triggers immigration consequences. If the statute reaches more broadly than the federal definition, the person may avoid the consequence even though the real-world conduct was serious. The exact wording of the charge and plea matters enormously.

The Misdemeanor Categories That Trigger Deportability

Crimes Involving Moral Turpitude

A crime involving moral turpitude, or CIMT, means conduct that is inherently dishonest, fraudulent, or shows a vicious or depraved intent. Shoplifting, check fraud, some assaults, and theft offenses commonly fit. No statute defines the term precisely; courts have built the concept over decades.

A single CIMT triggers deportability when two conditions line up: the crime was committed within five years of admission to the United States, and the maximum possible sentence is one year or more. Two or more CIMT convictions arising from separate incidents make a person deportable at any time after admission.²

Controlled Substance Offenses

Drug convictions carry some of the harshest immigration consequences. Any conviction for violating a law relating to a controlled substance makes a non-citizen deportable, with one narrow exception: a single offense of possessing 30 grams or less of marijuana for personal use.² That exception does not cover sale, distribution, or larger amounts, does not extend to any other substance, and applies only once.

State legalization doesn’t help. Federal immigration analysis uses the federal Controlled Substances Act, so a marijuana conviction in a state where marijuana is legal creates the same deportability ground as a conviction in a state where it isn’t.

Domestic Violence, Stalking, and Firearms

Federal law creates a specific deportability ground for crimes of domestic violence, which includes any crime of violence against a current or former spouse, co-parent, or a person the offender lives with or has lived with. The same provision reaches stalking, child abuse, child neglect, and child abandonment.³ A criminal conviction isn’t strictly required either: a court finding that someone violated the protective portions of a domestic violence protection order can also make them deportable.

Firearms offenses form their own category. Any conviction related to purchasing, selling, possessing, or carrying a firearm or destructive device in violation of any law triggers deportability.² Even a misdemeanor firearms charge can end a person’s ability to stay.

When a Misdemeanor Becomes an Aggravated Felony

The term “aggravated felony” is one of the most misleading labels in immigration law. It’s defined only under federal immigration statutes, and plenty of offenses that states classify as misdemeanors qualify. The consequences are severe: the person becomes deportable, is barred from nearly every form of relief (including asylum and cancellation of removal), and faces up to 20 years in federal prison for later reentering without authorization.⁴

For theft and burglary, the line between a deportable aggravated felony and a non-aggravated offense is the sentence imposed. A theft conviction with a sentence of one year (365 days) or more is an aggravated felony. A sentence of 364 days is not.⁵ This holds even when the judge suspends the sentence and the person spends no time in jail. What matters is the sentence on paper, not time served.

Fraud offenses cross into aggravated felony territory when the loss to victims exceeds $10,000.⁵ Crimes of violence with a sentence of at least a year also qualify. The trap is that nothing about the state court proceeding will flag any of this. A judge handing down what looks like a lenient misdemeanor sentence may have just made someone permanently deportable.

What Counts as a Conviction

Immigration law uses its own definition of “conviction,” and it’s broader than most people expect. A guilty verdict counts. So does a plea of guilty, a plea of no contest, or an admission of enough facts to support a finding of guilt, as long as a judge imposed some form of punishment or restraint on liberty.⁶ Probation and community service count as restraints on liberty.

Pre-trial diversion programs that require no admission or finding of guilt generally don’t create a conviction for immigration purposes.⁶ The difference between a deferred adjudication that requires a guilty plea and a diversion that doesn’t can be the difference between deportation and staying.

Vacated convictions get complicated. A conviction vacated because of a constitutional or procedural defect in the original criminal case no longer counts as a conviction. But if a court vacated the conviction only to help the person avoid deportation, or because the person finished a rehabilitation program, immigration authorities still treat it as a conviction.⁶ The reason behind the vacatur matters as much as the vacatur itself.

How ICE Learns About the Arrest

When anyone is booked by local police, their fingerprints are automatically checked against FBI criminal databases and Department of Homeland Security immigration databases. A hit in the DHS database alerts ICE to who the person is and where they are.

If ICE wants to act, it can issue an immigration detainer, which asks the local jail to hold the person for up to 48 hours beyond their scheduled release so ICE can take custody.⁷ Whether the jail honors the request depends on local policy, but the detainer system turns any encounter with local law enforcement into a potential entry point for removal.

Some jurisdictions go further under the 287(g) program. Local agencies sign agreements with ICE that let their officers perform certain immigration enforcement functions, including identifying and processing removable people in jail and serving administrative warrants.⁸ In areas with active 287(g) agreements, even a routine misdemeanor arrest can lead directly to immigration processing.

What a Conviction Can Destroy: Relief From Removal

This is where misdemeanor convictions do the most quiet damage. Even after removal proceedings start, several forms of relief can let a person remain. A criminal record can close those doors one by one.

Cancellation of removal is one of the most important defenses for non-permanent residents. To qualify, a person must have been physically present in the United States for at least ten continuous years, maintained good moral character during that time, have no disqualifying criminal convictions, and show that removal would cause exceptional and extremely unusual hardship to a qualifying U.S. citizen or permanent resident family member. A conviction for essentially any deportable offense destroys eligibility. For lawful permanent residents, an aggravated felony is an absolute bar.⁹

A person who has lived here fifteen years, has U.S. citizen children, and would otherwise be a strong candidate for cancellation of removal can lose that option because of a single misdemeanor drug possession or a theft plea with the wrong sentence length. The criminal case may have felt minor. It still eliminated the only viable defense.

What Criminal Defense Strategy Can Still Do

Because immigration consequences flow from the specific charge and sentence rather than the underlying conduct, how a criminal case gets resolved matters as much as guilt or innocence. The U.S. Supreme Court held in 2010 that criminal defense attorneys have a constitutional duty to advise non-citizen clients when a guilty plea carries a risk of deportation.¹⁰ When the immigration consequence of a plea is clear, the duty to give correct advice is equally clear.

A knowledgeable defense attorney can sometimes negotiate a plea to a different charge that avoids a deportability ground. A theft plea with a 364-day sentence instead of 365 avoids the aggravated felony classification. A plea to disorderly conduct instead of a domestic violence offense avoids the domestic violence ground. A pre-trial diversion without a guilty plea avoids creating a conviction at all. These are the differences between charges that carry immigration consequences and charges that don’t.

If a conviction has already been entered, post-conviction relief may still be possible. A conviction vacated because the criminal court failed to advise the defendant of immigration consequences is not treated as a conviction for immigration purposes, because that failure is a defect in the underlying proceeding.⁶ Reducing a sentence from 365 days to 364 through a post-conviction motion can also strip the aggravated felony label off an existing theft conviction.

Bars to Coming Back

Deportation doesn’t only remove a person; it creates legal barriers to ever returning. Someone deported after an aggravated felony conviction who reenters without permission faces up to 20 years in federal prison.⁴

Separately, people who accumulated unlawful presence before leaving face time-based bars on lawful return. Unlawful presence of more than 180 days but less than a year, followed by a voluntary departure, triggers a three-year bar. Unlawful presence of a year or more triggers a ten-year bar.¹¹ These sit on top of any criminal grounds of inadmissibility. Someone both unlawfully present and convicted of a deportable misdemeanor faces multiple, overlapping barriers to any future legal immigration to the United States.

1
U.S. Citizenship and Immigration Services. Immigration and Nationality Act
2
Office of the Law Revision Counsel. 8 USC 1227 – Deportable Aliens
3
Office of the Law Revision Counsel. 8 USC 1227 – Deportable Aliens
4
Office of the Law Revision Counsel. 8 USC 1326 – Reentry of Removed Aliens
5
Legal Information Institute. 8 USC 1101 – Definitions
6
U.S. Citizenship and Immigration Services. USCIS Policy Manual Volume 12, Part F, Chapter 2 – Adjudicative Factors
7
U.S. Immigration and Customs Ice. Immigration Detainers
8
U.S. Immigration and Customs Enforcement. Partner With ICE Through the 287(g) Program
9
Office of the Law Revision Counsel. 8 USC 1229b – Cancellation of Removal
10
Justia. Padilla v. Kentucky, 559 U.S. 356 (2010)
11
Office of the Law Revision Counsel. 8 USC 1182 – Inadmissible Aliens