Addison Township, IL Public Records
Addison Township is a township with its own local government in DuPage County, Illinois, with an estimated population of 88,098 (U.S. Census Bureau, July 2024 estimate) and 31.4 square miles of land. That is down about 239 residents since the 2020 Census base.
🏢 Addison Township Office
Addison Township's own township government keeps its local records: council or board meeting minutes, local ordinances and resolutions, local permits and licenses, and its own budget and contracts. Requests for those records go to the township clerk under the Illinois Freedom of Information Act. Birth and death certificates, marriage records, deeds and court files are generally kept by county and state offices rather than by the township; see the offices below.
📇 Addison Township Contact on File
| Government | Township Of Addison |
| Contact listed | Supervisor |
| Mailing address | 401 N Addison Rd, Addison, IL 60101 |
| Phone | Not stated |
| Official website | Not stated |
| Source | U.S. Census Bureau, 2022 Census of Governments: Government Units listing ↗ |
This is the mailing address the government reported to the U.S. Census Bureau; it may be a post office box or the office of an elected official rather than a public counter, and the source does not list a phone number. Call or check the official website before you visit.
↑ Back to record types🏛️ County Courthouse & Records Office for Addison
Addison Township is in DuPage County. In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). Divorce cases in Illinois are heard by the Circuit Court in each county. Wills and estates in Illinois are handled by the Circuit Court in each county.
📍 DuPage County at a Glance
| County | DuPage County |
| County population (2024 est.) | 937,142 Source: www2.census.gov ↗ |
⚖️ DuPage County Circuit Clerk
| Address | P.O. Box 707, Wheaton, Illinois 60187-0707 (mailing address) |
| Phone | (630) 407-8700 |
| Hours | Not stated |
| Records available | Circuit court case records (civil, criminal, traffic, family, probate, small claims) |
| Official website | Not stated |
| Sources | illinoiscourts.gov/…/circuit-court-clerks ↗ |
| Last verified | October 16, 2026 |
See the full DuPage County records page →
↑ Back to record types📋 Where to Get Records for Addison
Where to get the most-requested public records for people and property in Addison, IL:
📋 Addison Records Guide
| Birth & death certificates | Illinois Department of Public Health – Vital RecordsIn Illinois, certified birth and death certificates can also be ordered from the County Clerk. |
| Deeds & property records | In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). |
| Court cases & divorce | DuPage County courthouse. Divorce cases in Illinois are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Illinois are handled by the Circuit Court in each county. |
| State court system | Illinois Courts |
| Sex offender registry | Illinois Sex Offender Registry (Illinois State Police) |