The Naperville Police Department, commonly known as NPD, is the municipal law-enforcement agency serving Naperville, Illinois. The department responds to emergency and non-emergency calls, investigates crimes, enforces traffic laws and provides specialized services involving patrol, criminal investigations, traffic enforcement, K-9 operations, school safety, crime prevention, social services, records, emergency communications and professional standards.
NPD operates from its headquarters on Aurora Avenue. Unlike departments that use several public precinct stations, Naperville’s public organizational structure centers on the Patrol Division and Investigations Division, supported by administrative services and specialized units.
Residents should call 911 for emergencies or crimes in progress. For non-emergency police assistance, call 630-420-6666.

Naperville Police Department Quick Information
| Information | Details |
| Official name | Naperville Police Department |
| Common abbreviation | NPD |
| Headquarters address | 1350 Aurora Avenue, Naperville, IL 60540 |
| Emergency number | 911 |
| Non-emergency number | 630-420-6666 |
| Patrol Division | 630-420-6160 |
| Investigations Division | 630-420-6726 |
| Records Section | 630-420-6157 |
| Evidence and Property | 630-305-5298 |
| Office of Professional Standards | 630-420-4137 |
| Public Information Office | 630-305-3399 |
| Main operational divisions | Patrol and Investigations |
| Counties | DuPage County and Will County |
| DuPage County Sheriff / Jail | 501 N. County Farm Road, Wheaton, IL 60187 |
| Will County Adult Detention Facility | 95 S. Chicago Street, Joliet, IL 60436 |
Naperville Police Department Address
Naperville Police Department headquarters is located at:
- Naperville Police Department
- 1350 Aurora Avenue
- Naperville, Illinois 60540
The police non-emergency number is: 630-420-6666
The department’s public front desk is generally available Monday through Friday from 8:00 a.m. to 6:00 p.m., excluding holidays. Residents can visit the front desk to file certain police reports and obtain assistance with other police services.
Call 911 when a crime is happening, someone is injured or in immediate danger, a weapon is involved or urgent police, fire or medical assistance is required.
Important Naperville Police Phone Numbers
| Police service | Phone number |
| Emergency assistance | 911 |
| Police non-emergency | 630-420-6666 |
| Patrol Division | 630-420-6160 |
| Investigations Division | 630-420-6726 |
| Records Section | 630-420-6157 |
| Evidence and Property | 630-305-5298 |
| Office of Professional Standards | 630-420-4137 |
| Public Information Office | 630-305-3399 |
| DuPage County Sheriff | 630-407-2000 |
| Will County Adult Detention Facility | 815-740-1250 |
Specialized numbers are mainly intended for records, case follow-up, property, complaints and administrative services. New incidents requiring an officer should normally be reported through 911 or the non-emergency number.
Naperville Police Department Divisions
Naperville Police publicly organizes its law-enforcement work primarily through:
- Patrol Division
- Investigations Division
- Administrative and professional support functions
The Office of Professional Standards handles internal investigations, commendations and media-related responsibilities. Administrative services also support records, emergency communications and other department operations.
The department maintains numerous specialized assignments in addition to routine patrol and detective work.
Patrol Division
The Patrol Division provides routine patrol, traffic enforcement and the department’s primary response to calls for service.
Patrol officers handle duties including:
- Responding to 911 calls
- Handling non-emergency calls
- Conducting preliminary criminal investigations
- Responding to disturbances and suspicious activity
- Handling violent and property crimes
- Making arrests
- Conducting welfare checks
- Enforcing traffic laws
- Responding to vehicle crashes
- Neighborhood and business patrol
The first responding officer generally documents the incident and collects immediately available information or evidence. Cases requiring extended follow-up may later be assigned to investigators.
Patrol-related specialized assignments include traffic officers, downtown beat officers, strategic-response personnel, K-9 teams and field-training officers.
Investigations Division
The Investigations Division is staffed by sworn and civilian employees who conduct follow-up investigations and support community programs.
Detectives and specialized investigators may handle cases involving:
- Violent crime
- Property crime
- Financial crime
- Narcotics
- Criminal intelligence
- High-tech and computer-related crime
- School-related investigations
- Other serious offenses
The division also includes or supports School Resource Officers and community education and crime-prevention programs.
People contacting investigators about an existing case should have the police report or case number available whenever possible.
K-9 and Specialized Police Services
Naperville Police maintains K-9 teams assigned to both patrol and investigative work. Police dogs may assist with suspect and evidence searches, tracking missing people, building searches and narcotics detection.
Other specialized assignments available within the department include:
- Special Response Team
- Crisis Negotiators
- Underwater Recovery Team
- Traffic Officers
- Mobile Crisis Intervention Team
- Unmanned Aircraft System team
- Major Crash Reconstruction Team
- School Resource Officers
- Computer Forensics
- Criminal Intelligence
These resources support regular patrol and investigations when incidents require additional training, equipment or technical expertise.
Emergency Communications and Social Services
Naperville’s Emergency Communications Center operates 24 hours a day and handles police, fire and medical emergency calls. The center also supports text-to-911 services when calling 911 is not possible.
The department’s Social Services function works with community members facing issues involving domestic violence, mental health, abuse, youth and family concerns and other social-service needs.
These programs complement police response while helping connect residents with appropriate support and community resources.
Crime Prevention and School Safety
Community education and crime prevention are important parts of NPD’s public-safety work. Crime Prevention Specialists work with schools, residents, businesses and community organizations to provide safety education and help reduce opportunities for crime.
The School Resource Unit serves Naperville public high schools, a freshman campus and several middle schools. School Resource Officers work with students, parents and educators to support campus safety, problem solving and youth mentoring.
Community programs also include citizen education, safety presentations and crime-prevention initiatives.
What Counties Is Naperville Police Department In?
Naperville is located in DuPage County and Will County, Illinois.
The portion of Naperville north of 87th Street is generally in DuPage County, while the portion south of 87th Street is in Will County.
Naperville Police provides municipal law-enforcement services throughout the city limits regardless of county. County sheriff’s offices, courts and detention facilities remain separate agencies and may become involved depending on where an incident occurred and how a case proceeds.
How to File a Naperville Police Report Online
Naperville Police provides online reporting for qualifying non-emergency incidents.
Online reports can be submitted for categories including:
- Financial crimes and fraud
- Identity theft
- Theft and retail theft
- Criminal damage to property
- Graffiti
- Burglary from a motor vehicle in qualifying cases
- Harassing communications
- Lost property
- Neighborhood or civil disputes
- Supplements to existing police reports
The online system should not be used for emergencies, domestic batteries, motor vehicle crashes, hit-and-run crashes, assaults, in-progress incidents or incidents occurring outside Naperville.
Call 911 for emergencies or 630-420-6666 when an officer response is required.
Obtaining Naperville Police Records
The Records Section manages police reports, citations, warrants, FOIA requests, records checks and other department records.
The Records Section can be reached at: 630-420-6157
Public hours are generally Monday through Friday from 8:00 a.m. to 5:00 p.m., excluding holidays.
Police Freedom of Information Act requests can be submitted electronically or in writing. Written police-record requests can be mailed to the Naperville Police Department at 1350 Aurora Avenue with attention to the FOIA Officer.
Some information may be redacted or withheld when disclosure is restricted under Illinois law.
Evidence and Found Property
The Evidence and Property Section manages police evidence and found property.
For property questions, call:
630-305-5298
The section is generally open Monday through Friday from 8:00 a.m. to 4:00 p.m., excluding holidays.
People claiming found property should be prepared to provide enough identifying information to establish ownership. Evidence connected to an active investigation may require authorization before release.
Naperville Police and County Jails
Naperville Police has a holding area within its police facility, but it does not operate a long-term county correctional center.
Because Naperville extends into two counties, people requiring continued detention may be handled through the appropriate county system.
The DuPage County Sheriff’s Office and correctional facility is located at:
- 501 N. County Farm Road
- Wheaton, Illinois 60187
The Sheriff’s Office main number is:
630-407-2000
The Will County Adult Detention Facility is located at:
- 95 S. Chicago Street
- Joliet, Illinois 60436
The facility’s main number is: 815-740-1250
Anyone trying to locate a person in custody should confirm the current detention location with the appropriate county agency.
Complaints and Commendations
The Office of Professional Standards handles complaints, commendations and internal investigations involving Naperville Police employees.
The office can be reached at: 630-420-4137
The department states that allegations of misconduct are investigated. Residents can contact Professional Standards when they have a complaint or concern about department personnel.
Useful information includes:
- Date and time
- Location
- Employee name or description
- Badge or vehicle information when known
- Police case number
- Witness information
- Photographs, recordings or other evidence
- A clear description of what occurred
Frequently Asked Questions
Q: What is the Naperville Police non-emergency number?
A: The Naperville Police Department non-emergency number is 630-420-6666. Call 911 for emergencies or crimes currently in progress.
Q: Where is Naperville Police Department headquarters?
A: Naperville Police headquarters is located at 1350 Aurora Avenue, Naperville, Illinois 60540.
Q: Does Naperville Police have geographic police districts?
A: Naperville’s public organizational structure does not use separate public geographic precinct stations. Police services are organized primarily through the Patrol and Investigations divisions, supported by specialized units.
Q: Can I file a Naperville police report online?
A: Yes. NPD accepts online reports for many qualifying non-emergency incidents, including certain thefts, fraud, property damage, harassment and lost-property cases.
Q: What counties does Naperville cover?
A: Naperville extends into DuPage and Will counties. Naperville Police provides municipal law-enforcement service throughout the city, while county detention and court services depend on the location and circumstances of the case.