Living in Jefferson Township, KS: what to set up and who to call
Jefferson Township spans 3 ZIP codes; 66097 holds the most residents (80%). The closest ER is F W Huston Medical Center, 1.1 miles away.
I’m new in town
What to set up in Jefferson Township, 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 Jefferson Township.
Power comes from Evergy
Evergy (Evergy Kansas Central, Inc.), an investor-owned utility, serves all of Jefferson Township. Its homes paid an average of 14.6¢ per kWh in 2025, about $124 a month (its average across Kansas).
Start or move service: evergy.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Jefferson Co RWD 12
Jefferson Co RWD 12 supplies Jefferson Township: about 60% of residents live in its service area. City of Winchester serves another 41%. It buys treated surface water (EPA lists Leavenworth Water Department as seller) and serves 3,635 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 3.4 ppb, below the 15 ppb action level that applied. That’s higher than 85% of similar systems’ latest results.
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. KS2008717.
8 home internet providers serve Jefferson Township
84% of 501 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Brightspeed | DSL | 66% | 100/10 |
| Giant Communications | Cable, Fixed wireless, Fiber | 52% | 1,000/1,000 |
| Mercury Fiber | Fixed wireless | 76% | 150/20 |
| T-Mobile | Fixed wireless | 57% | 100/20 |
| Kansas Broadband Internet | Fixed wireless | 50% | 100/20 |
| Nextlink | Fixed wireless | 31% | 800/400 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Jefferson Township’s trash rules yet
Pickup rules, the dump and recycling in Jefferson Township.
Where your child goes to school
Public school districts and the school path by grade.
Jefferson Township is in Jefferson County North Unified School District 339.
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 Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Jefferson Township spans 3 ZIP codes
ZIP codes where Jefferson Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Jefferson Township | ZIP’s residents in Jefferson Township |
|---|---|---|---|
| 66097 | Winchester, KS | 80% | 91% |
| 66088 | Valley Falls, KS | 18% | 9% |
| 66002 | Atchison, KS | 2% | 0% |
A few homes fall in 66060.
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 Jefferson Township
Who supplies Jefferson Township’s drinking water, and has it had violations?
Jefferson Co RWD 12 (EPA ID KS2008717). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 3.4 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Jefferson Township?
Evergy (Evergy Kansas Central, Inc.), an investor-owned utility. Its homes paid about 14.6¢ per kWh in 2025 (EIA).
What internet providers serve Jefferson Township?
Brightspeed, Giant Communications, Mercury Fiber, T-Mobile, Kansas Broadband Internet, Nextlink (FCC, as of December 2025).
What ZIP codes are in Jefferson Township?
66097 (80%), 66088 (18%), 66002 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Jefferson Township in?
Jefferson County North Unified School District 339.
How do I register to vote in Jefferson Township?
In Kansas 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 Jefferson County Clerk. Check your registration at myvoteinfo.voteks.org.
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.