Photo: Jud McCranie · CC BY-SA 4.0Living in Casey, IL: what to set up and who to call
Casey runs its own electric utility, City of Casey. For an emergency, Sarah Bush Lincoln Health Center is the closest ER, 20 miles away.
I’m new in town
What to set up in Casey, 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 Casey.
Power comes from City of Casey
City of Casey (City of Casey - (IL)), a municipal utility, serves 96.3% of Casey residents.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Casey water system
The Casey water system supplies almost all of Casey. It buys treated ground water (EPA lists Marshall as seller) and serves 3,274 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2026–Dec 2028, was 1.7 ppb, below the 15 ppb action level that applied. The highest in five years was 11.0 ppb. That’s higher than 65% 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 (EPA’s estimate). Violations are counted by the start of their compliance period. IL0230050.
10 home internet providers serve Casey
100% of 1,297 addresses can get 100/20 Mbps; 99% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Seamless Fiber Innovations | Fiber | 99% | 1,000/1,000 |
| Mediacom Xtream | Cable, Fiber | 98% | 1,000/50 |
| Frontier | DSL, Fiber | 77% | 70/3 |
| Conxxus | Fiber | 74% | 8,000/8,000 |
| Verizon | Fixed wireless | 90% | 300/20 |
| Joink | Fixed wireless | 83% | 250/50 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Casey’s trash rules yet
Pickup rules, the dump and recycling in Casey.
Where your child goes to school
Public school districts and the school path by grade.
Casey is in Casey-Westfield Community Unit School District 4C.
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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Casey is in ZIP code 62420
ZIP codes where Casey residents live, with the share of the town in each.
| ZIP | Post office name | Share of Casey | ZIP’s residents in Casey |
|---|---|---|---|
| 62420 | Casey, IL | 100% | 57% |
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 Casey
Who supplies Casey’s drinking water, and has it had violations?
The Casey water system (EPA ID IL0230050). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 1.7 ppb (Jan 2026–Dec 2028), against a 15 ppb action level.
Who provides electricity in Casey?
City of Casey (City of Casey - (IL)), a municipal utility.
What internet providers serve Casey?
Seamless Fiber Innovations, Mediacom Xtream, Frontier, Conxxus, Verizon, Joink (FCC, as of December 2025).
What ZIP codes are in Casey?
62420. Census 2020 ZIP Code Tabulation Areas.
What school district is Casey in?
Casey-Westfield Community Unit School District 4C.
How do I register to vote in Casey?
In Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Clark County Clerk. Check your registration at ova.elections.il.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 Sep 12, 2025 (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.