Living in Markham, IL: what to set up and who to call
Two school districts split the grades in Markham: Bremen Community High School District 228 and Prairie-Hills Elementary School District 144. The closest public drop-off to Markham is Tri-State Disposal, 3 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Markham, 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 Markham.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Markham. 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 Markham water system
The Markham water system supplies almost all of Markham. It buys treated surface water (EPA lists Mid-Mark Water Commission as seller) and serves 12,500 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 Jul–Dec 2025, was 1.5 ppb, below the 15 ppb action level that applied. The highest in five years was 3.0 ppb. That’s higher than 59% 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. IL0311770.
4 home internet providers serve Markham
100% of 5,276 addresses can get 100/20 Mbps; 50% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fiber, Fixed wireless | 91% | 5,000/5,000 |
| T-Mobile | Fixed wireless | 75% | 100/20 |
| Verizon | Fixed wireless | 68% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Markham depends on your street
Pickup days, the drop-off and recycling in Markham, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayFind your street’s day on cityofmarkham.net →
From cityofmarkham.net, 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.
Markham is in two districts that split the grades: Bremen Community High School District 228 and Prairie-Hills Elementary School District 144.
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 Apr 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Markham spans 2 ZIP codes
ZIP codes where Markham residents live, with the share of the town in each.
| ZIP | Post office name | Share of Markham | ZIP’s residents in Markham |
|---|---|---|---|
| 60428 | Markham, IL | 97% | 100% |
| 60426 | Harvey, IL | 3% | 1% |
A few homes fall in 60478.
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 Markham
Who supplies Markham’s drinking water, and has it had violations?
The Markham water system (EPA ID IL0311770). 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 1.5 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Markham?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Markham?
Xfinity, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Markham?
60428 (97%), 60426 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Markham in?
Bremen Community High School District 228 and Prairie-Hills Elementary School District 144. Parts of the city are in Thornton Township High School District 205 and Posen-Robbins Elementary School District 143-5 and Hazel Crest School District 152-5 and Harvey School District 152 and Midlothian School District 143.
How do I register to vote in Markham?
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 Cook 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: Markham’s own website (cityofmarkham.net), 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.