Photo: Cosmo1976 · Public domainLiving in Cary, IL: what to set up and who to call
Two school districts split the grades in Cary: Community High School District 155 and Cary Community Consolidated School District 26. The closest public drop-off to Cary is Brush dropoff, 1 mile out; the town decides whether residents may use it.
I’m new in town
What to set up in Cary, 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 Cary.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Cary. Its homes paid an average of 17.7¢ per kWh in 2025, about $107 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 20% of Commonwealth Edison’s home customers do, and Commonwealth Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cary water system
The Cary water system supplies almost all of Cary. It draws ground water and serves 17,826 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 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 6.6 ppb. That’s higher than 60% 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. IL1110100.
4 home internet providers serve Cary
100% of 5,761 addresses can get 100/20 Mbps; 4% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fixed wireless, Fiber | 68% | 100/20 |
| T-Mobile | Fixed wireless | 91% | 100/20 |
| Verizon | Fixed wireless | 37% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Cary depends on your street
Pickup days, the drop-off and recycling in Cary, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on floodbrothersdisposal.com
From caryillinois.com, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Cary is in two districts that split the grades: Community High School District 155 and Cary Community Consolidated School District 26.
A−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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Cary is in ZIP code 60013
ZIP codes where Cary residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cary | ZIP’s residents in Cary |
|---|---|---|---|
| 60013 | Cary, IL | 100% | 68% |
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 Cary
Who supplies Cary’s drinking water, and has it had violations?
The Cary water system (EPA ID IL1110100). It reported no health-based violations to EPA in the five years to October 2026; 83% 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 Cary?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Cary?
Xfinity, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Cary?
60013. Census 2020 ZIP Code Tabulation Areas.
What school district is Cary in?
Community High School District 155 and Cary Community Consolidated School District 26. Parts of the city are in Community Unit School District 300 and Crystal Lake Community Consolidated School District 47.
How do I register to vote in Cary?
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 McHenry 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: Cary’s own website (caryillinois.com), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.