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United States · Kansas · Iola

Allen County Jail

County jailMaximumOvercrowded (633%)ModerateHigh
Verified 2 Jun 2026
Fresh · 29d ago

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

For families

How to send mail, money, and visit Allen County Jail

Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit
Photograph of Allen County Jail

Gallery

From Wikimedia Commons (CC-BY-SA where not otherwise stated).

  • Allen County Jail - Bars.jpg

    Photo by Paul Borcherding via Wikimedia Commons (CC BY-SA 4.0)

  • Allen County Jail Bars.jpg

    Photo by Paul Borcherding via Wikimedia Commons (CC BY-SA 4.0)

  • Allen County Jail Description.jpg

    Photo by Paul Borcherding via Wikimedia Commons (CC BY-SA 4.0)

  • Allen County Jail Historical Significance.jpg

    Photo by Paul Borcherding via Wikimedia Commons (CC BY-SA 4.0)

  • Allen County Jail, Iola.jpg

    Photo by Gordon Huggins via Wikimedia Commons (CC BY 2.0)

  • Old Allen County Jail.jpg

    Photo by Paul Borcherding via Wikimedia Commons (CC BY-SA 4.0)

Allen County Jail is a county jail located in Allen County, Kansas. Rated capacity: 79. Data sourced from the HIFLD Prison Boundaries open dataset.

Background

The Old Allen County Jail is a former jail in Iola, Kansas, United States. Built in the late 1860s, it operated as a detention facility for nearly a century before a replacement opened; today, it is the Old Jail Museum, operated by the Allen County Historical Society, and it has been designated a historic site.

Source: Wikipedia article lead, CC-BY-SA.

Capacity

79

Current population

500

Occupancy

633%

Year opened

1869

Operational

Facility profile

Operator

Allen County Sheriff / Corrections

Population held

Mixed/unknown

Opened

1869

Region

Kansas

Security level

Maximum

Death-row facility

No

Conditions

No conditions summary available yet.

Visiting

No visiting information available.

Mailing

No mailing information available.

Practical info

Contact the operator's website for inmate-specific procedures.

Known issues

No major issues documented in our database.

Contact & address

1 North Washington Street, Iola 66749

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

30/100
Moderate concern30/100
Overcrowding
30/30
Oversight reports
0/30
Structural flags
0/15
Death signals
0/15
Conditions text
0/10

What the score is responding to:

  • · Extreme overcrowding at 633% of capacity

Compared to other facilities in United States

7324 peers
Occupancythis: 633% · peers avg: 93% (+581%)
Capacity (beds)this: 79 · peers avg: 559 (86%)

Data completeness

74%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources