Marshall County Jail
Marshall County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Marshall County Jail
2369 Jessup Avenue, Marshalltown, IA 50158
Marshall County Jail
2369 Jessup Avenue, Marshalltown, IA 50158
Physical Address
2369 Jessup Avenue, Marshalltown, IA 50158
Phone
Governing Agency
Marshall County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the inmate's full booked/legal name and send to Marshall County Jail, 2369 Jessup Avenue, Marshalltown, IA 50158. Include the sender's complete name and return address.
Source: Official sourceLast verified: September 27, 2026
Confirm the jail's current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Confirm the jail's current publisher/vendor, binding and package rules before ordering books, magazines, newspapers or parcels.
Source: Official sourceLast verified: September 27, 2026
Do not place cash in ordinary correspondence unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Marshall County Jail before mailing. Use the inmate's full booked/legal name and inmate or booking number when known. Mail to: Marshall County Jail, 2369 Jessup Avenue, Marshalltown, IA 50158. Include a complete sender return address.
About Marshall County Jail
Marshall County Jail is the current county jail / adult detention facility serving Marshall County, Iowa.