SearchSystems Editorial

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 between September 30, 2026 and October 4, 2026.

About this guide

Harrison County, Iowa, has about 15,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Harrison County is held at the county jail, run by the Harrison County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.

This guide covers the search, the jail, who books people, state prison and common questions.

Related guides: Harrison County public records, Harrison County arrest records, Harrison County warrants, Harrison County police reports, Harrison County property records, Iowa arrest records and Iowa inmate search.

The Harrison County Jail by the Numbers

On an average day in 2019 the jail held about 11 people. Its rated capacity in 2019 was 21 beds, and it ran at 52 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.

Harrison County has about 15,000 residents (2024 Census Bureau estimate), so the jail holds about 8 people for every 10,000 residents.

Who Books People Into the Harrison County Jail

The Harrison County Sheriff's Office and the agency that reports for Missouri Valley make the arrests that end in a booking in Harrison County.

The largest arrest counts reported to the FBI were Missouri Valley's 134 for 2020 and the Harrison County Sheriff's Office's 69 for 2020.

Together, the two agencies in Harrison County with all twelve months of 2020 on file reported 203 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.

The counts, agency by agency and year by year, are in Harrison County arrest records.

From the Jail to State Prison

The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Harrison County serves the sentence in a facility of the Iowa Department of Corrections, whose inmate locator is at doc.iowa.gov/inmate-family-services.

Frequently Asked Questions

How do I find an inmate in Harrison County?

Ask the Harrison County Sheriff's Office at (712) 600-9774; its jail page SearchSystems verified is at harrisoncounty.iowa.gov/sheriff.

How many people are in the Harrison County jail?

About 11 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 21 beds.

What is the phone number for the Harrison County jail?

(712) 600-9774, the number on the page of the Harrison County Sheriff's Office SearchSystems verified.

Where do people sentenced to prison in Harrison County go?

To a facility of the Iowa Department of Corrections; its inmate locator is at doc.iowa.gov/inmate-family-services.

Is this the official Harrison 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.