Iowa County Jail Inmate Search
Iowa County Jail Inmate Search, Marengo, Iowa
No inmate list for the Iowa County Jail is online, so call 319-642-7307 to ask who is held. The Iowa sheriff posts no mugshots either. Bond, warrants, federal and ICE holds, local police, phone calls, deposits and visiting follow.
Which jails are nearby?
- Iowa County Jail, 960 Franklyn Ave, Marengo, IA 52301; 319-642-7307.
- Johnson County Jail, 511 S. Capitol Street, Iowa City, IA 52240; 319-356-6025.
- Linn County Correctional Center, 53 3rd Avenue Bridge, Cedar Rapids, IA 52401; 319-892-6300.
- Benton County Jail, 113 E. 3rd Street, Vinton, IA 52349; 319-472-2337.
- Tama County Jail, 100 N. Main St, Toledo, IA 52342; 641-484-3760.
- Poweshiek County Jail, 4802 Barnes City Rd., Montezuma, IA 50171; 641-623-5679.
- Keokuk County Jail, 204 S. Stone, Sigourney, IA 52591; 641-622-2727.
- Washington County Jail, 2185 Lexington Boulevard, Washington, IA 52353; 319-653-5902.
How do visits work?
All visits are by video. Free sessions are held at the Sheriff's Office on Tuesdays from 9 to 10 a.m. and Saturdays from 1 to 3 p.m. Paid video visits from home are open seven days a week once you set up an account with the jail's online family-account service. The jail's visitation policy and instructions are posted as PDFs on the sheriff's contact page.
↑ Back to the question listCan I send mail?
Address letters to the inmate's name, 960 Franklyn Ave., Marengo, IA 52301, with a full return address and name. Nothing else may be written or stuck on the envelope. Stickers, glue, glitter, perfume, clippings, magazine pages, origami paper and stamps are not allowed; blank cards and hygiene items are refused too. See our mail page.
↑ Back to the question listHow is money added?
Send a money order payable to the inmate; the jail warns against cash and will not take personal checks. Phone, text and commissary accounts are set up online through that same service. Our money guide has more.
↑ Back to the question listHow do calls from jail work?
Inmates can make and receive phone calls, and can exchange text messages and email, through the same online account used for video visits.
↑ Back to the question listHow do I sign up for alerts?
Register with VINE online or at 888-742-8463 to be notified when the person is released or transferred.
↑ Back to the question listWhat if they were sentenced?
Short sentences are served in Marengo, sometimes on work release. Prison terms are listed in the Iowa DOC offender search, federal custody on the BOP locator and immigration detention on the ICE locator.
↑ Back to the question listWhere are juveniles from this county held?
At the Central Iowa Juvenile Detention Center, 2317 Rick Collins Way, Eldora, IA 50627, 641-858-3852. They do not appear on any public list.
↑ Back to the question listAre mugshots posted?
No Marengo picture roster came up in our search. Media outlets should take photo requests to the sheriff's office. ICE photos are released only once a request filed on ice.gov is approved. A federal prisoner's picture is never given to the press or public, other than by the Marshals.
↑ Back to the question listHow can I find out about an Iowa County warrant for my wife?
Call the sheriff's office at 960 Franklyn Ave in Marengo, 319-642-7307; Iowa County deputies there can check her name. The county posts none, and the state has no statewide lookup, though Iowa Courts Online shows her case. With a lawyer, she can turn herself in at the Iowa County Jail at a planned time. If she missed a hearing, the clerk on Court Avenue (319-642-3923) can explain rescheduling in Marengo.
↑ Back to the question listHow is bond set and paid?
In Marengo, most first bonds follow the statewide uniform bond schedule; for serious charges, Marengo's magistrate sets it. Call 319-642-7307 for amounts.
- How to pay at 319-642-7307: cash, surety or Iowa property.
- Guide: our bail guide.
- Hearings: our court guide, or the clerk at 319-642-3923.
How do I find the charges?
Iowa Courts Online lists charges and dates by name; Marengo's clerk answers at 319-642-3923. Under Iowa Code 815.10 a judge can appoint the State Public Defender; Marengo's first appearance follows promptly (Iowa Code 804.22).
↑ Back to the question listIs the person in federal custody?
In Marengo, federal arrests go to the U.S. Marshals Service; its Cedar Rapids office answers at 319-362-4411. Cases are heard by the U.S. District Court for the Northern District of Iowa; its clerk is at 111 7th Avenue SE, Cedar Rapids, IA 52401, 319-286-2300. After a federal sentence, check the BOP inmate locator. Bond at 960 Franklyn Ave, Marengo, IA 52301 cannot lift a federal hold; only 319-286-2300 can.
↑ Back to the question listHow does an ICE detainer work?
- The Iowa County Jail receives DHS Form I-247A from ICE.
- Iowa Code chapter 27A makes the jail in Marengo honor it, holding someone 48 hours longer at most (8 CFR 287.7(d)).
- After 48 hours without ICE at 960 Franklyn Ave, Marengo, IA 52301, the hold ends.
- The ICE detainee locator tracks transfers by A-number or name.
When will the person get out?
In Marengo, once bond clears at 960 Franklyn Ave, Marengo, IA 52301, release usually takes a few hours; 319-642-7307 knows. Prison sentences move people to the Iowa DOC offender search. Another county's hold keeps them; ask 319-642-7307. Federal or ICE holds go via 319-362-4411.
↑ Back to the question listWhat if the name is missing?
In Marengo, new bookings can lag; call 319-642-7307. Anyone moved from Marengo, or released, may show in the Iowa DOC offender search, or the BOP inmate locator. Juveniles are never listed (Iowa Code 232.147). If unsure, ask 319-642-7307.
↑ Back to the question listWhen does a judge see them?
In Marengo, a magistrate reviews the arrest within 24 hours (Iowa Code 804.22). Bond can be changed later (Iowa Code 811.2). If money is short, the State Public Defender may be appointed. The clerk (319-642-3923) has the next date.
↑ Back to the question listCan someone get out without paying?
Yes. Marengo's judges may release on a promise (Iowa Code 811.2), or with conditions, sometimes supervised by the Department of Correctional Services. Skipping court means forfeiture (Iowa Code 811.6) and a warrant; Marengo's clerk (319-642-3923) has the terms.
↑ Back to the question listWhen is cash bail returned?
In Marengo, the clerk (319-642-3923) refunds cash bail (901 Court Avenue, P.O. Box 266, Marengo, IA 52301) at case end, to the payer. A 10% bondsman fee is never returned; call 319-642-7307.
↑ Back to the question listWhich sentences are served locally?
In Marengo, misdemeanor terms are served at 960 Franklyn Ave, Marengo, IA 52301 (Iowa Code 903.1). Longer terms mean prison; see the Iowa DOC offender search. Work release or weekends in Marengo, Iowa, need a judge's OK; 319-642-7307 schedules it.
↑ Back to the question listCan a judge bar contact?
In Marengo, judges can bar contact at hearings (Iowa Code 664A.3). Breaking it is a new crime (Iowa Code 664A.7). Only judges can change it; Marengo's clerk (319-642-3923) keeps a copy at 901 Court Avenue, P.O. Box 266, Marengo, IA 52301.
↑ Back to the question listHow is a free lawyer appointed?
In Marengo, a free lawyer depends on income (Iowa Code 815.9). Ask in court on day 1, or call 319-642-3923. The State Public Defender covers most cases in Marengo; families may hire private counsel.
↑ Back to the question listIs a bail call real?
In Marengo, the Iowa County Jail never takes gift cards or crypto; call 319-642-7307 before paying anyone. Marengo's bond goes only to the clerk (319-642-3923) or the jail at 960 Franklyn Ave, Marengo, IA 52301. Report scam calls to the Iowa Attorney General.
↑ Back to the question listWho polices Iowa County?
- Iowa County Sheriff's Office, 960 Franklyn Ave., Marengo, IA 52301: dispatch 319-642-7307, civil and office 319-642-3496.
- Marengo Police Department, 153 Main Street, Marengo, IA 52301: 319-642-5031, press 1 for dispatch; unanswered calls roll to the sheriff.
- Williamsburg Police Department, 210 W. State Street, Williamsburg, IA 52361: non-emergency 319-668-1004.
- Iowa State Patrol District 11, 5400 16th Avenue SW, Cedar Rapids, IA 52404: 319-396-1944.
- Emergencies: 911.
Iowa County Jail Inmate Services Information
Phone: 319-642-7307 ext. 2
Physical Address:
960 Franklyn Ave
Marengo, IA 52301
Mailing Address (personal mail):
Inmate Full Name, c/o Iowa County Jail, 960 Franklyn Ave., Marengo, IA 52301
Mailing Address (legal mail or subscriptions):
Inmate Full Name, c/o Iowa County Jail, 960 Franklyn Ave., Marengo, IA 52301
Every year Iowa County law enforcement agencies arrest and detain 1,520 offenders, and maintain an average of 76 inmates (county-wide) in their custody on any given day.
The weekly turnover rate of inmates is approximately 55%, meaning that every week more than half of these inmates are released and then replaced with new offenders being booked into jail.
The charts below break down the men, women, races, ethnicities and the types of crimes that people are arrested and incarcerated for in both Iowa County and state prisons throughout the country. This information is compiled from local police and the Iowa County Sheriff's Department, as well as the state of Iowa and the United States Department of Justice and Census Bureau.
If you are looking for a prisoner in Iowa or Federal custody, click on the appropriate institution below.
If you are searching for an inmate being held in another county in Iowa, click below.
If you are searching for a prisoner in a Iowa State Prison click below.
If you are searching for a United States Federal Bureau of Prisons Inmate click below.
Federal Bureau of Prisons Inmate Search
For ICE Detainees (Immigration) being held at a detention facility in the United States, click below.
Iowa County Inmate Race & Ethnicity - 10/28/2026
| Race | Inmates | % Total |
|---|---|---|
| White | 49 | 84.48% |
| Black | 2 | 3.45% |
| Hispanic or Latino | 3 | 5.17% |
| American Indian/Native Alaskan | 1 | 1.72% |
| Asian | 1 | 1.72% |
| Pacific Islander/Native Hawaiian | 1 | 1.72% |
| Other | 1 | 1.72% |
| Total | 58 | 100.0% |
Iowa County Inmate Criminal Charges - 10/28/2026
(many inmates have multiple charges)
| Charge | Inmates | % Total |
|---|---|---|
| Felony (3rd Degree) | 16 | 27.59% |
| Felony (2rd Degree) | 11 | 18.97% |
| Felony (1st Degree) | 4 | 6.90% |
| State Jail Felony | 5 | 8.62% |
| Felony (Uncategorized) | 12 | 20.69% |
| Misdemeanor (Class A) | 10 | 17.24% |
| Misdemeanor (Class C) | 0 | 0.00% |
| Holds | 0 | 0.00% |
| Uncategorized | 0 | 0.00% |
Iowa County Inmate Sex - 10/28/2026
| Sex | Inmates | % Total |
|---|---|---|
| Male | 52 | 89.66% |
| Female | 6 | 10.34% |
| Total | 58 | 100.0% |
Iowa County Inmate Age - 10/28/2026
| Age | Inmates | % Total |
|---|---|---|
| Under 18 | 2 | 3.45% |
| 18-20 | 3 | 5.17% |
| 21-24 | 7 | 12.07% |
| 25-30 | 12 | 20.69% |
| 31-35 | 10 | 17.24% |
| 36-40 | 8 | 13.79% |
| 41-45 | 6 | 10.34% |
| 46-50 | 3 | 5.17% |
| 51-55 | 2 | 3.45% |
| 56-60 | 2 | 3.45% |
| 61-65 | 1 | 1.72% |
| 66-75 | 1 | 1.72% |
| 76-85 | 1 | 1.72% |
| Total | 58 | 100.0% |
- Jail (Main): 319-642-7307 ext. 2
- Administration: 319-642-3496
- Dispatch: 319-642-7307
The Iowa County Jail serves the following cities and towns of Iowa County: Marengo, North English and Williamsburg.