James C. Rives House · Photo: Floatjon · CC BY-SA 3.0Living in Downey, CA: what to set up and who to call
Two school districts split the grades in Downey: Whittier Union High School District and Downey Unified School District. The closest public drop-off to Downey is South Gate Transfer Station, 2 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Downey, 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 Downey.
Power comes from Southern California Edison
Southern California Edison (Southern California Edison Co), an investor-owned utility, serves all of Downey. Its homes paid an average of 31.5¢ per kWh in 2025, about $149 a month (its average across California, for customers on its standard service). California lets you buy power from another supplier; 30% of Southern California Edison’s home customers do, and Southern California Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Downey - City, Water Dept.
Downey - City, Water Dept. supplies almost all of Downey. It draws ground water (EPA lists Metropolitan Water Dist. of So. Cal. as seller) and serves 110,556 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 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. CA1910034.
6 home internet providers serve Downey
98% of 22,988 addresses can get 100/20 Mbps; 77% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/35 |
| Frontier | Fiber, DSL | 83% | 7,000/7,000 |
| AT&T | Fixed wireless, Fiber, DSL | 54% | 100/20 |
| T-Mobile | Fixed wireless | 55% | 100/20 |
| Verizon | Fixed wireless | 52% | 300/20 |
| Starry | Fixed wireless | 3% | 300/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 2 miles away
Pickup rules, the dump and recycling in Downey.
South Gate Transfer Station
9530 Garfield Avenue, South Gate, CA, 90280 · run by Los Angeles County Sanitation Districts
This isn’t Downey’s own facility. Whether Downey residents may use it is the town’s rule: check downeyca.org.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Downey is in two districts that split the grades: Whittier Union High School District and Downey Unified School District.
B+School 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Downey spans 3 ZIP codes
ZIP codes where Downey residents live, with the share of the town in each.
| ZIP | Post office name | Share of Downey | ZIP’s residents in Downey |
|---|---|---|---|
| 90241 | Downey, CA | 39% | 100% |
| 90242 | Downey, CA | 38% | 100% |
| 90240 | Downey, CA | 23% | 100% |
90239 is P.O. box or single-organization ZIP with no homes.
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 Downey
Who supplies Downey’s drinking water, and has it had violations?
Downey - City, Water Dept. (EPA ID CA1910034). It reported no health-based violations to EPA in the five years to October 2026; 86% 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 Downey?
Southern California Edison (Southern California Edison Co), an investor-owned utility. Its homes paid about 31.5¢ per kWh in 2025 (EIA).
What internet providers serve Downey?
Spectrum, Frontier, AT&T, T-Mobile, Verizon, Starry (FCC, as of December 2025).
What ZIP codes are in Downey?
90241 (39%), 90242 (38%), 90240 (23%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Downey in?
Whittier Union High School District and Downey Unified School District. Parts of the city are in Little Lake City Elementary School District.
How do I register to vote in Downey?
In California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Los Angeles Registrar-Recorder County Clerk. Check your registration at voterstatus.sos.ca.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: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- 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 Nov 18, 2024 (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.