Photo: M.O. Stevens · CC BY-SA 3.0Living in Cornelius, OR: what to set up and who to call
All of Cornelius gets its mail under one ZIP code, 97113. Cornelius Public Library, 0.2 miles away, is the closest library to Cornelius.
I’m new in town
What to set up in Cornelius, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Cornelius.
Power comes from Portland General Electric
Portland General Electric (Portland General Electric Co), an investor-owned utility, serves all of Cornelius. Its homes paid an average of 18.8¢ per kWh in 2025, about $142 a month (its average across Oregon).
Start or move service: portlandgeneral.com · (503) 464-8000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Cornelius water system
The City of Cornelius water system supplies almost all of Cornelius. It buys treated surface water (EPA lists City of Hillsboro as seller) and serves 14,490 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. OR4100218.
6 home internet providers serve Cornelius
100% of 4,128 addresses can get 100/20 Mbps; 88% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| Ziply Fiber | Fiber, DSL | 87% | 6,000/6,000 |
| Verizon | Fixed wireless | 47% | 25/6 |
| T-Mobile | Fixed wireless | 34% | 100/20 |
| AT&T | Fixed wireless | 9% | 25/3 |
| Hunter Communications | Fixed wireless | 4% | 200/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Cornelius
Pickup days, the drop-off and recycling in Cornelius, from the town’s own site.
Accepted at the curb
- Plastic bottles
- Round plastic containers
- Metal
- Paper
- Flattened cardboard
We couldn’t find pickup days or drop-off hours. Check corneliusor.gov →
From corneliusor.gov, the town’s official site, checked Oct 21, 2026; pages dated September 1, 2024. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Cornelius (65%) is in Forest Grove School District 15; parts are in Hillsboro School District 1J (35%).
BSchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Oct 2, 2026.
Cornelius is in ZIP code 97113
ZIP codes where Cornelius residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cornelius | ZIP’s residents in Cornelius |
|---|---|---|---|
| 97113 | Cornelius, OR | 100% | 84% |
A few homes fall in 97123, 97124.
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Cornelius
Who supplies Cornelius’ drinking water, and has it had violations?
The City of Cornelius water system (EPA ID OR4100218). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Cornelius?
Portland General Electric (Portland General Electric Co), an investor-owned utility. Its homes paid about 18.8¢ per kWh in 2025 (EIA).
What internet providers serve Cornelius?
Xfinity, Ziply Fiber, Verizon, T-Mobile, AT&T, Hunter Communications (FCC, as of December 2025).
What ZIP codes are in Cornelius?
97113. Census 2020 ZIP Code Tabulation Areas.
What school district is Cornelius in?
Forest Grove School District 15. Parts of the city are in Hillsboro School District 1J.
How do I register to vote in Cornelius?
In Oregon you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Washington County Clerk, Elections Office. Check your registration at sos.oregon.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Cornelius’ own website (corneliusor.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Oct 2, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.