Photo: Joe Mabel · CC BY-SA 3.0Living in Hempstead, NY: what to set up and who to call
Power in Hempstead comes from PSEG Long Island, a state utility rather than a private company. Hempstead has its own train station.
I’m new in town
What to set up in Hempstead, 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 Hempstead.
Power comes from PSEG Long Island
PSEG Long Island (Long Island Power Authority), a state utility, serves all of Hempstead. Its homes paid an average of 26.2¢ per kWh in 2025, about $195 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 0% of PSEG Long Island’s home customers do, and PSEG Long Island still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Hempstead (V) water system
The Hempstead (V) water system supplies Hempstead: about 96% of residents live in its service area. It draws ground water and serves 56,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 2.5 ppb. 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. NY2902827.
3 home internet providers serve Hempstead
99% of 8,345 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 99% | 2,300/2,300 |
| Optimum | Cable, Fiber | 94% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 29% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Hempstead’s trash rules yet
Pickup rules, the dump and recycling in Hempstead.
Where your child goes to school
Public school districts and the school path by grade.
Most of Hempstead (76%) is in Hempstead Union Free School District; parts are in Uniondale Union Free School District (23%).
C−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 Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Hempstead is in ZIP code 11550
ZIP codes where Hempstead residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hempstead | ZIP’s residents in Hempstead |
|---|---|---|---|
| 11550 | Hempstead, NY | 100% | 95% |
A few homes fall in 11553. 11551 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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Hempstead
Who supplies Hempstead’s drinking water, and has it had violations?
The Hempstead (V) water system (EPA ID NY2902827). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Hempstead?
PSEG Long Island (Long Island Power Authority), a state utility. Its homes paid about 26.2¢ per kWh in 2025 (EIA).
What internet providers serve Hempstead?
Verizon, Optimum, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Hempstead?
11550. Census 2020 ZIP Code Tabulation Areas.
What school district is Hempstead in?
Hempstead Union Free School District. Parts of the city are in Uniondale Union Free School District.
How do I register to vote in Hempstead?
In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the Nassau County Board of Elections. Check your registration at voterlookup.elections.ny.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 Aug 3, 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.