Clayton County Jail
Clayton County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Clayton County Jail
22680 230th Street
Saint Olaf, IA 52072
Clayton County Jail
22680 230th Street
Saint Olaf, IA 52072
Physical Address
22680 230th Street, Saint Olaf, IA 52072
Phone
Governing Agency
Clayton 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 identifying number when known. Include the sender's complete first and last name and return address.
Source: Official sourceLast verified: September 27, 2026
Confirm current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Confirm 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 Clayton County Jail before mailing. Use the inmate's full booked/legal name and inmate / booking number when known. Mail to: Clayton County Jail, 22680 230th Street, Saint Olaf, IA 52072. Include a complete sender return address.
About Clayton County Jail
Clayton County Sheriff's Office currently operates from 22680 230th Street in Saint Olaf and the Sheriff remains responsible for Clayton County Jail operations. Verify the exact current inmate-mail format before sending irreplaceable originals.