Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 24, 2026.
Plymouth County, Iowa, has about 26,000 residents (2024 Census Bureau estimate). Every warrant for Plymouth County comes from a judge of the Iowa District Court for Plymouth County, is served by whichever agency finds the person, and is recorded in the court file of the case it was issued in. This guide says who issues and serves warrants here, where a person arrested on one is held, how to check for one and how one is cleared.
This guide covers who issues warrants, who serves warrants, after a warrant arrest, checking for a warrant, clearing a warrant and common questions.
Related guides: Plymouth County public records, Plymouth County arrest records, Plymouth County inmate search, Plymouth County criminal records, Plymouth County court records, Iowa arrest records and Iowa inmate search.
Who Issues Warrants in Plymouth County
In Iowa an arrest warrant is signed by a judge. For Plymouth County that means the Iowa District Court for Plymouth County, which hears every civil, criminal, family, probate and juvenile case.
A bench warrant follows a missed court date in any of those courts. Whichever kind it is, the warrant is part of the file of the case it was issued in, and the Clerk of the District Court keeps that file.
The court records page SearchSystems verified for the county is at plymouthcountyiowa.gov/departments/clerk-of-district-courts (page title: Clerk Of District Courts | Plymouth County Iowa), phone 712-546-4215, which answered when SearchSystems opened it on September 24, 2026.
Statewide, Iowa Courts Online is the Iowa Judicial Branch's free statewide case search.
Who Serves Warrants in Plymouth County
The Plymouth County Sheriff's Office and the agency that reports for Le Mars serve warrants in Plymouth County.
The Sioux City Police Department is listed by the FBI across two counties including Plymouth County, so its arrests are not broken out for Plymouth County here.
The agency that serves a warrant from Plymouth County is whichever one finds the person; an Iowa warrant is valid across Iowa.
Together, the two agencies in Plymouth County with all twelve months of 2025 on file reported 606 arrests to the FBI that year; arrests on warrants are counted among them, not separately.
Each agency and what it reported is in Plymouth County arrest records.
Where a Person Arrested on a Warrant from Plymouth County Is Held
A person arrested on a warrant and kept in custody goes to the county jail, whichever agency made the arrest. The jail, run by the Plymouth County Sheriff's Office, held about 26 people on an average day in 2020 by the Vera Institute of Justice's count and has a jail page SearchSystems verified at plymouthcountysheriff.com/divisions/jail, phone 712-546-4419. The Plymouth County inmate search guide covers the jail in full.
A person arrested in Plymouth County on a warrant from another county is held at the same jail until that county takes custody.
How to Check for a Warrant in Plymouth County
The places to check for a warrant from Plymouth County:
- The court file of the case, through the Clerk of the District Court at 712-546-4215, since a warrant is recorded in the case it was issued in.
- Iowa Courts Online, the Iowa Judicial Branch's free statewide case search, for a case whose register of actions shows a warrant.
- The County Attorney, phone (712) 546-5019, which can say whether charges were filed; a warrant on a complaint follows the filing.
Not one of the Plymouth County pages SearchSystems verified (the sheriff's, the court's and the prosecutor's) is a list of open warrants, so a check means asking the court or the prosecutor about a case by name.
Clearing a Warrant from Plymouth County
A warrant is recalled by the court that issued it, so clearing one from Plymouth County starts with the Clerk of the District Court at 712-546-4215: the case goes back on the calendar and the judge recalls the warrant when the person appears.
A lawyer can often arrange the appearance in advance. The County Attorney's page SearchSystems verified is at plymouthcountyiowa.gov/departments/attorney, phone (712) 546-5019.
Frequently Asked Questions
Can I check for a warrant online in Plymouth County?
Not from the Plymouth County pages SearchSystems verified; none of them is a warrant list. Iowa Courts Online is the Iowa Judicial Branch's free statewide case search, and a case whose register of actions shows a warrant is the record of it. The court file is the record of a warrant: ask the Clerk of the District Court at 712-546-4215.
Who serves warrants in Plymouth County?
The Plymouth County Sheriff's Office, and the agency that reports for the city where the person is found; an Iowa warrant is valid anywhere in the state.
Where is a person arrested on a warrant in Plymouth County held?
At the county jail, run by the Plymouth County Sheriff's Office, if kept in custody.
How is a warrant from Plymouth County cleared?
By appearing before the court that issued it; the judge recalls the warrant in court. The case is put back on the calendar through the Clerk of the District Court at 712-546-4215.
Is this the official Plymouth County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.