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Population information - Adult and Juvenile Detention
Statistical reports
The Department of Adult and Juvenile Detention creates monthly and annual population reports. These reports cover adult and youth detention as well as alternatives to secure detention.
For records prior to 2018, contact Records.DAJD@kingcounty.gov.
2024
Detention and Alternatives Report (through November)
2023
Detention and Alternatives Report
2022
Detention and Alternatives Report
2021
Detention and Alternatives Report
2020
Detention and Alternatives Report
2019
Detention and Alternatives Report
Open datasets
The Jail Bookings Open Data dataset contains information about adult bookings into King County jails within the last 12 months.
The dataset does not provide information about a court cause, case, or criminal filing. The information does not reflect the criminal history or criminal status of any adult currently or previously in custody.
It's important to note that updates, corrections, and additions to a person's booking information are possible since the original extraction date and time.
For more information about a specific booking event, do the following:
- Call the Department of Adult and Juvenile Detention: 206-296-1234.
- Use the King County Subject Lookup Tool.
Types of statistical reports
Detention and Alternative Reports (DAR)
This is a statistical report of data on the adult secure detention populations at the following:
- Seattle Division (King County Correctional Facility)
- Kent Division (Maleng Regional Justice Center)
- Community Corrections Division (adult alternatives to secure detention)
- Juvenile Division (The Judge Patricia H. Clark Children and Family Justice Center)
Scorecard
A year-end summary of DAR.
Pre-Sentence Felons by Most Serious Offense
Report on the adult pre-sentence felon population. The report is in order of most serious offenses. The report provides monthly counts and three-month rolling averages for this population. It also provides measures of Average Daily Population (ADP) and Average Length of Stay (ALOS).
Demographic Breakdown
This two-page report sites data on the following:
- Average Daily Population (ADP) by housing location: secure detention, work release, electronic home detention
- Demographics: age, race, gender
- Bookings demographics: persons admitted to the facility during the month
- Unique Persons Incarcerated demographics: all persons in custody that month
Related Topics
Adult jail population
Find up-to-date information on population characteristics, demographics, and more about adults in custody in King County. This includes adults in secure detention at the King County Correctional Facility in Seattle and the Maleng Regional Justice Center in Kent, as well as those in the Electronic Home Detention program.