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Clinton County Courthouse, CarlylePhoto: Nyttend · Public domain
The Carlyle handbook

Living in Carlyle, IL: what to set up and who to call

Carlyle runs its own electric utility, City of Carlyle. The Carlyle water system has a clean five-year EPA record, but its latest lead result, 11.0 ppb, was higher than 99% of similar systems’ (the action level is 15).

I’m new in town

What to set up in Carlyle, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Carlyle.

Electricity

Power comes from City of Carlyle

City of Carlyle (City of Carlyle - (IL)), a municipal utility, serves 97.1% of Carlyle residents.

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Carlyle water system

The Carlyle water system supplies Carlyle: about 94% of residents live in its service area. About 5% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 3,373 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.

Lead, 90th percentile11.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 11.0 ppb, below the 15 ppb action level that applied. That’s higher than 99% 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. IL0270300.

Internet

5 home internet providers serve Carlyle

99% of 1,501 addresses can get 100/20 Mbps; 1% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
SpectrumCable, Fiber94%1,000/1,000
AT&TDSL, Fixed wireless19%25/3
T-MobileFixed wireless88%100/20
VerizonFixed wireless65%25/6
WisperFixed wireless48%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Carlyle’s trash rules yet

Pickup rules, the dump and recycling in Carlyle.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Carlyle kids go to
PK–4Carlyle Elementary SchoolCarlyle Community Unit School District 1
5–8Carlyle Junior High SchoolCarlyle Community Unit School District 1
9–12Carlyle High SchoolCarlyle Community Unit School District 1

Carlyle is in Carlyle Community Unit School District 1.

C+School gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

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.

ZIP codes & area codes

Carlyle is in ZIP code 62231

ZIP codes where Carlyle residents live, with the share of the town in each.

ZIPPost office nameShare of CarlyleZIP’s residents in Carlyle
62231Carlyle, IL100%45%
Area code618Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Carlyle

Who supplies Carlyle’s drinking water, and has it had violations?

The Carlyle water system (EPA ID IL0270300). 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 11.0 ppb (Jan–Jun 2026), against a 15 ppb action level.

Who provides electricity in Carlyle?

City of Carlyle (City of Carlyle - (IL)), a municipal utility.

What internet providers serve Carlyle?

Spectrum, AT&T, T-Mobile, Verizon, Wisper (FCC, as of December 2025).

What ZIP codes are in Carlyle?

62231. Census 2020 ZIP Code Tabulation Areas.

What school district is Carlyle in?

Carlyle Community Unit School District 1.

How do I register to vote in Carlyle?

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 Clinton 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.