House Republicans are looking into New Jersey's government after the state's governor said over 6,000 non-citizens were added to voter lists in 2023 and 2024.

The GOP has been criticizing New Jersey Democrats since the governor announced that 6,600 non-citizens were mistakenly added to voter rolls between 2023 and 2024.

Two Republican committee chairmen, Jim Jordan and Bryan Steil, asked New Jersey's lieutenant governor for more information about the state's election laws.

House Republicans are questioning New Jersey's governor about 6,600 non-citizens who were registered to vote.

Chairmen Jim Jordan and Bryan Steil are investigating New Jersey's voter registration after the governor said non-citizens were mistakenly added to voter rolls.

In July 2026, Governor Mikie Sherrill said about 6,600 non-citizens were registered to vote between June 2023 and June 2024 due to a mistake by the state's motor vehicle department.

Around 400 of these individuals voted in elections since 2023. Jordan and Steil expressed concern about New Jersey adding non-citizens to its voter rolls.

The governor said the mistake was due to a software error in the state's motor vehicle system.

The discovery of 6,600 non-citizen voters in New Jersey has caused outrage among Republicans.

It's unclear how many non-citizens have been able to register to vote beyond the two-year period, thanks to New Jersey's motor voter laws.

The revelations have raised concerns about the integrity of US elections and have led to calls for stricter voting laws.

A polling station in Montclair, New Jersey, on Election Day in 2025.

The software vendor, IDEMIA, denied the governor's claims, saying that New Jersey agencies were to blame for the non-citizens being registered.

A federal judge has blocked the Department of Justice from accessing New Jersey's voter rolls.

If the New Jersey government knew about the non-citizens on the voter rolls in June 2024, it raises questions about the governor's decision not to remove them.

The Republicans pointed out that the lieutenant governor is well-positioned to help with their investigation.

The committees are seeking information about New Jersey's compliance with federal voting laws.

The Help America Vote Act, the National Voter Registration Act, and the Civil Rights Act require states to maintain accurate voter rolls and comply with certain protocols.

The Republicans are also looking for documents related to how New Jersey verifies the eligibility of its voters.

The letter is signed by several Republican representatives, including Jeff Van Drew and Laurel Lee.

You can download the Fox News app by clicking here.

The Republicans have asked New Jersey's government to provide the requested documents by August 17.

Fox News Digital has reached out to the governor's office for comment.

Elizabeth Elkind is a politics reporter for Fox News Digital, covering the House of Representatives.

You can follow Elizabeth Elkind on Twitter and send tips to her email address.