Twin Falls County Jail sits at 321 2nd Avenue East in Twin Falls, Idaho. The facility opened in 2003 after a $12.4 million construction project created 42,000 square feet of secure detention space. Built to house 224 adult inmates, the jail regularly processes more than 5,000 bookings each year. In 2022, intake records show 5,423 individuals entered the system. Security features include an electronic perimeter fence, video-monitored housing units, and a dedicated records department. The Sheriff’s Office manages medical care, legal counsel access, and regulated visitation. Every arrest generates a booking number, and charging sheets plus sentencing orders are stored digitally. A real-time inmate search updates custody status every 15 minutes, giving families and attorneys instant access to current information.

Facility Overview and Operations
The jail serves as the main detention center for Twin Falls County. It holds people awaiting trial, those sentenced to short-term jail time, and individuals serving sentences for misdemeanors or low-level felonies. Staff assign each person a unique booking number upon arrival. This number tracks their case from intake through release. Court documents like charging sheets and sentencing orders are filed electronically. The system ensures quick retrieval for legal teams and family members. Daily operations fall under the Twin Falls County Sheriff’s Office, which also patrols unincorporated areas and responds to emergencies across the county.
Medical services include a clinic staffed by a certified nurse practitioner. Inmates receive basic healthcare, prescription medications, and emergency treatment. Legal counsel is available through scheduled visits or phone calls. The Sheriff’s Office coordinates transportation to court hearings and medical appointments outside the facility. Visitation follows strict rules to maintain safety and order. Each session lasts up to 30 minutes, and all interactions are monitored. These procedures help protect both visitors and staff while supporting inmate rights.
Security and Technology Systems
Electronic perimeter fencing surrounds the entire complex. Motion sensors and cameras detect unauthorized movement near boundaries. Housing units use video monitoring to observe common areas and hallways. Staff can view live feeds from a central control room. The system logs all activity for review if incidents occur. Access points require keycard entry, and only authorized personnel may enter secure zones. High-risk detainees are placed in a segregated unit with additional supervision. This area limits contact with other inmates and provides extra protection for vulnerable individuals.
A digital inmate-search portal updates every 15 minutes. Users can check custody status, booking dates, and projected release times. The database includes names, charges, bond amounts, and housing locations. Attorneys, family members, and law enforcement rely on this tool for accurate, timely information. Records requests follow Idaho public records laws. The Sheriff’s Office processes these within legal timeframes, ensuring transparency while protecting privacy.
Warrants and Arrest Records
The warrants and arrest portal combines data from all local law enforcement agencies. Each entry lists suspect names, birth dates, charge codes, bond amounts, and custody status. Users filter results by offense type, such as drug possession, theft, or assault. The site updates nightly to reflect new bookings, releases, and court decisions. In 2023, the system recorded 1,274 new warrants. Of those, 842 led to arrests within Twin Falls County. Downloadable PDFs of original booking sheets are available for legal use. This centralized database improves coordination between police departments and courts.

Inmate Communication and Phone Services
Worldwide Tel Connection manages all inmate telephone privileges. Calls cost $0.07 per minute, one of the lowest rates in the region. Sessions last up to 15 minutes to ensure fair access for everyone. Three-way calling is disabled to prevent misuse. Every call is recorded and monitored for compliance with state guidelines. Inmates add contacts through a pre-approved list submitted by family or friends. New numbers undergo a 48-hour verification process before activation. Relatives can fund accounts online or purchase prepaid cards to control spending.
Phone access supports mental health and family connections. Regular contact reduces isolation and helps maintain relationships during incarceration. The system balances affordability with security, ensuring calls do not disrupt facility operations. Staff review logs monthly to identify patterns or violations. This proactive approach prevents abuse while preserving communication rights.
Visitation Rules and Procedures
Visitors must arrive during designated hours, typically Monday through Friday from 7 a.m. to 5 p.m. Appointments are not required, but walk-ins may face delays during busy periods. The main entrance at 321 2nd Avenue East has a self-service kiosk for roster checks. A designated visitor area allows supervised meetings lasting up to 30 minutes. All visitors present valid photo ID and pass through metal detectors. Bags and personal items are subject to search. Children under 18 must be accompanied by an adult.
Special accommodations exist for elderly or disabled visitors. Staff assist with seating, mobility, and communication needs. Visits may be denied if safety concerns arise or if the inmate is in disciplinary segregation. Rules are posted clearly at the entrance and online. Compliance ensures a respectful environment for everyone involved.
Rehabilitation and Educational Programs
GED classes prepare inmates for high school equivalency exams. Vocational training covers skills like carpentry, welding, and food service. These programs reduce recidivism by building employable abilities. Participants earn certificates recognized by employers statewide. Counseling services address substance abuse, anger management, and life skills. Group sessions meet weekly, and individual therapy is available upon request. Partnerships with local colleges and trade schools expand opportunities for continued education after release.
Recreation areas provide exercise equipment and outdoor space. Physical activity improves mental health and reduces tension. Library services offer books, magazines, and legal materials. Inmates may request specific titles related to their cases or personal interests. These resources support both rehabilitation and daily well-being.
Reporting Sexual Misconduct and Victim Support
Any allegation of sexual misconduct triggers an immediate investigation. A 24-hour hotline at 208-735-4302 connects callers to a supervisor. Reports are logged in a secure digital system that tracks evidence, interviews, and outcomes. Idaho Statute 32-440-404 requires forwarding substantiated claims to the Idaho State Police. Victims receive counseling through the county’s Victim Services Division. Confidentiality is maintained throughout the process to protect privacy and encourage reporting.
Staff undergo annual training on identifying and responding to abuse. Prevention measures include staff-inmate separation protocols and routine audits. The facility complies with federal PREA standards to ensure safe environments. Regular reviews assess program effectiveness and identify areas for improvement.
Inmate Population Statistics
StateCourts data shows an average daily population of 479 inmates. The gender split is approximately 78% male and 22% female. Annual utilization reaches 338%, reflecting high turnover due to short stays and frequent releases. Housing units accommodate varying risk levels, with dedicated spaces for high-risk individuals. Capacity remains at 224 beds, but temporary overflow protocols activate during peak periods. Staff adjust schedules and resources to maintain safety and service quality.
| Metric | Value |
|---|---|
| Average Daily Population | 479 |
| Design Capacity | 224 |
| Annual Utilization Rate | 338% |
| Male Inmates (%) | 78% |
| Female Inmates (%) | 22% |
| Annual Bookings (2022) | 5,423 |
Contact Information and Public Access
For inmate information, call 208-735-4357 during business hours. Staff confirm booking dates, release projections, and court appearances. The main entrance at 321 2nd Avenue East welcomes in-person inquiries. A self-service kiosk prints current rosters, and staff assist with complex requests. Email and online forms are not available; all communication happens by phone or visit. This ensures accuracy and protects sensitive data.
Official website: https://www.twinfallscoso.com Phone: 208-735-4357 Visiting Hours: Monday–Friday, 7 a.m.–5 p.m. Address: 321 2nd Avenue East, Twin Falls, ID 83301
Employment and Community Engagement
Twin Falls County posts job openings on its Human Resources portal. Roles include correctional officers, administrative clerks, and public works technicians. Applications require certifications, résumés, and background checks. Summer internships offer college students experience in budgeting, policy, and outreach. The Sheriff’s Office collaborates with schools and nonprofits to promote public safety. Community meetings address local concerns and build trust between residents and law enforcement.
Related Services and Resources
- Inmate Search: Use the digital portal or call the jail directly.
- Bond Payments: Contact the court clerk or use approved payment platforms.
- Legal Aid: Request attorney visits through the intake desk.
- Mental Health Support: Counseling referrals available upon request.
- Volunteer Programs: Religious services and tutoring welcome community participation.
Frequently Asked Questions
People often ask about visitation rules, phone access, and how to check inmate status. Below are detailed answers to the most common questions.
How do I find out if someone is in Twin Falls County Jail?
Call 208-735-4357 during business hours or visit the main entrance at 321 2nd Avenue East. Staff will confirm booking details, housing location, and projected release date. You can also use the self-service kiosk in the lobby to print a current roster. The digital inmate search updates every 15 minutes, so information is nearly always current. Have the person’s full name and date of birth ready to speed up the process. If they were recently arrested, allow 2–4 hours for processing before calling.
Can I visit an inmate at any time?
No. Visits are allowed Monday through Friday from 7 a.m. to 5 p.m. Each session lasts up to 30 minutes. Walk-ins are accepted, but delays may occur during busy times. All visitors must show valid photo ID and pass through security screening. Children under 18 need an adult present. Special arrangements for disabled or elderly visitors are available upon request. Check the official website or call ahead for holiday schedules or unexpected closures.
How much do inmate phone calls cost?
Calls cost $0.07 per minute, one of the lowest rates in Idaho. Sessions are limited to 15 minutes to ensure everyone gets a turn. Three-way calling is blocked for security reasons. Every call is recorded and monitored. To add a contact, submit a request through a family member or friend. New numbers take up to 48 hours to verify. Prepaid cards let relatives control spending without opening a permanent account. Fund accounts online via Worldwide Tel Connection’s portal.
What happens if I report sexual misconduct?
Call the 24-hour hotline at 208-735-4302 to speak with a supervisor. Your report is logged securely and investigated immediately. If evidence supports the claim, it is sent to the Idaho State Police. Victims receive free counseling through the county’s Victim Services Division. All information stays confidential to protect your privacy. Staff are trained yearly to handle these cases with care and professionalism. Reporting helps keep the facility safe for everyone.
Are there programs to help inmates prepare for life after release?
Yes. GED classes, vocational training, and counseling are offered regularly. Participants earn certificates in fields like welding, carpentry, and food service. Substance abuse and anger management groups meet weekly. Individual therapy is available upon request. Library access includes legal materials and self-help books. These programs reduce reoffending by building skills and confidence. Many graduates find jobs or continue education after leaving custody.
How many people are typically held at Twin Falls County Jail?
The average daily population is 479 inmates, though the building was designed for only 224. This high turnover reflects short stays and frequent releases. About 78% are male, and 22% are female. In 2022, over 5,400 people were booked into the system. Staff manage overcrowding with temporary housing plans and adjusted schedules. Despite the numbers, safety and basic services remain priorities.
Where can I apply for a job at the jail or Sheriff’s Office?
Visit the Twin Falls County Human Resources portal to view current openings. Positions include correctional officers, dispatchers, and administrative staff. Each posting lists required certifications, salary ranges, and deadlines. Submit applications online with a résumé and cover letter. Background checks and drug tests are mandatory. Internships for college students are also available in summer. Joining the team supports public safety and offers career growth in law enforcement.
