Living in Osco, IL: what to set up and who to call
Osco has no town government of its own, so Henry County runs its elections and most services, and its children attend Orion Community Unit School District 223. Tap water in most of Osco comes from Osco Mutual Water Supply Company, Inc., which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Osco, 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 Osco.
Power comes from MidAmerican Energy
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility, serves all of Osco. Its homes paid an average of 10.0¢ per kWh in 2025, about $74 a month (its average across Illinois).
Start or move service: midamericanenergy.com · (888) 427-5632
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Osco Mutual Water Supply Company, Inc.
Osco Mutual Water Supply Company, Inc. supplies Osco: about 52% of residents live in its service area. About 48% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 80 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 11,392 systems serving <=100 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 3.0 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 (EPA’s estimate). Violations are counted by the start of their compliance period. IL0735200.
5 home internet providers serve Osco
100% of 66 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cambridge Telephone Company | DSL, Fixed wireless, Fiber | 100% | 1,000/1,000 |
| Mediacom Xtream | Cable | 92% | 1,000/50 |
| Nextlink | Fixed wireless | 97% | 400/100 |
| T-Mobile | Fixed wireless | 36% | 25/3 |
| AT&T | Fixed wireless | 17% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Osco’s trash rules yet
Pickup rules, the dump and recycling in Osco.
Where your child goes to school
Public school districts and the school path by grade.
Osco is in Orion Community Unit School District 223.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Osco is unincorporated, so Henry County is the local government.
Election office: FVAP local election office directory, updated Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Osco is in ZIP code 61274
ZIP codes where Osco residents live, with the share of the town in each.
| ZIP | Post office name | Share of Osco | ZIP’s residents in Osco |
|---|---|---|---|
| 61274 | Osco, IL | 100% | 34% |
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 Osco
Who supplies Osco’s drinking water, and has it had violations?
Osco Mutual Water Supply Company, Inc. (EPA ID IL0735200). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Osco?
MidAmerican Energy (MidAmerican Energy Co), an investor-owned utility. Its homes paid about 10.0¢ per kWh in 2025 (EIA).
What internet providers serve Osco?
Cambridge Telephone Company, Mediacom Xtream, Nextlink, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Osco?
61274. Census 2020 ZIP Code Tabulation Areas.
What school district is Osco in?
Orion Community Unit School District 223.
How do I register to vote in Osco?
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 Henry 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.