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How to send a letter to an inmate at Marion County Correctional Facility

To write to someone held at Marion County Correctional Facility, address the envelope to the inmate's full name and SID number, Marion County Correctional Facility, 4000 Aumsville Hwy SE, Salem, OR 97317. Marion County Correctional Facility is the jail for Marion County, Oregon, run by the Marion County Sheriff's Office. Mail is opened and inspected — include your full return address, and double-check the person is still in custody, since people are released or moved from a county jail quickly.

Inmate mail — Marion County Correctional Facility

[Inmate's full name]  [SID number]
Marion County Correctional Facility
4000 Aumsville Hwy SE
Salem, OR  97317

Put the inmate's full name and SID number on the first line, and your full return address in the corner — mail without either is usually rejected.

Verified August 2026co.marion.or.us

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Your name
Your return address

Marion County Correctional Facility4000 Aumsville Hwy SESalem, OR 97317

Your letter, printed and mailed for you.

Key facts

  • Send mail to Marion County Correctional Facility, 4000 Aumsville Hwy SE, Salem, OR 97317 — the jail's own mailroom.
  • Write the inmate's full name and SID number on the envelope, plus your full return address, or the letter is returned.
  • All incoming mail is opened and inspected for contraband before it reaches the inmate.
  • Do not enclose cash, checks, gift cards, or anything other than paper — prohibited items get the whole letter rejected.
  • Letters on plain white paper in blue or black ink; postcards are also accepted.
  • No stickers, glitter, glue, tape, staples, paper clips, Polaroids, musical or blank greeting cards, or hardcover books.
  • Use metered postage if you can — stamps are removed before delivery.
  • County jails move fast — people are released, bailed out, or transferred within days. Confirm the person is still in custody before mailing anything time-sensitive.
  • PostPal prints and mails your letter for you the next business day for $5 — with your return address printed so they can write back, and no printer, envelope, or stamp needed.

How to send your letter

  1. 1

    Confirm the person is still at the jail

    County-jail populations turn over quickly. Check the Marion County Sheriff's Office's online inmate roster to confirm they're still at Marion County Correctional Facility — and get their SID number — before you mail anything.

  2. 2

    Address it correctly

    First line: the inmate's full name and SID number. Then Marion County Correctional Facility, 4000 Aumsville Hwy SE, Salem, OR 97317. Add your full return address in the top-left corner.

  3. 3

    Keep the contents allowed

    A plain letter on white paper is always safest. Letters on plain white paper in blue or black ink; postcards are also accepted. No cash, gift cards, or any object other than paper.

  4. 4

    Send it without a printer

    Write or upload your letter in PostPal with this address prefilled, and we print, envelope, and mail it via USPS the next business day for $5 — your return address printed so they can reply.

Common questions

How do I address a letter to an inmate at Marion County Correctional Facility?

Put the inmate's full name and SID number on the first line, then Marion County Correctional Facility, 4000 Aumsville Hwy SE, Salem, OR 97317. Include your full return address in the top-left corner of the envelope.

Is mail to Marion County Correctional Facility opened or read?

Yes. All incoming mail is opened and inspected for contraband before delivery, and non-legal mail can be read.

What if they've been released or moved?

It happens fast at a county jail — people bond out or transfer within days, and the letter won't be forwarded. Check the Marion County Sheriff's Office's inmate roster to confirm they're still at Marion County Correctional Facility before you send.

What can I send to Marion County Correctional Facility?

Letters on plain white paper in blue or black ink; postcards are also accepted. No stickers, glitter, glue, tape, staples, paper clips, Polaroids, musical or blank greeting cards, or hardcover books. Use metered postage if you can — stamps are removed before delivery. When in doubt, a plain letter on white paper is always accepted.

Can the inmate write back to me?

Yes, if you include a complete return address. PostPal prints your return address on the letter for you.

Sources

Addresses verified August 2026 against official sources. Always confirm on the official site before time-sensitive filings.

See the full US county & city jails rules — what you can and can’t send, photos & more →

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