Living in Clark Township, IN: what to set up and who to call
Clark Township spans 5 ZIP codes; 46143 holds the most residents (58%). Franciscan Health Indianapolis, 6.2 miles away, is the nearest emergency room.
I’m new in town
What to set up in Clark Township, 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 Clark Township.
Power comes from Duke Energy
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility, serves all of Clark Township. Its homes paid an average of 15.0¢ per kWh in 2025, about $149 a month (its average across Indiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Indiana American Water - Johnson County
Indiana American Water - Johnson County supplies Clark Township: about 45% of residents live in its service area. Citizens Energy Group serves another 11%. About 44% 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 86,813 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 66% 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. Violations are counted by the start of their compliance period. IN5241005.
6 home internet providers serve Clark Township
98% of 1,119 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Fiber, Cable | 86% | 2,000/2,000 |
| Jcfiber | Fiber | 65% | 3,000/3,000 |
| AT&T | Fixed wireless, DSL, Fiber | 63% | 5,000/5,000 |
| Metronet | Fiber | 13% | 5,120/5,120 |
| Verizon | Fixed wireless | 68% | 300/20 |
| T-Mobile | Fixed wireless | 54% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Clark Township’s trash rules yet
Pickup rules, the dump and recycling in Clark Township.
Where your child goes to school
Public school districts and the school path by grade.
Clark Township is in Clark-Pleasant Community School Corporation.
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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Clark Township spans 5 ZIP codes
ZIP codes where Clark Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Clark Township | ZIP’s residents in Clark Township |
|---|---|---|---|
| 46143 | Greenwood, IN | 58% | 3% |
| 46259 | Indianapolis, IN | 15% | 3% |
| 46131 | Franklin, IN | 12% | 1% |
| 46184 | Whiteland, IN | 9% | 2% |
| 46162 | Needham, IN | 6% | 32% |
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 Clark Township
Who supplies Clark Township’s drinking water, and has it had violations?
Indiana American Water - Johnson County (EPA ID IN5241005). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Clark Township?
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility. Its homes paid about 15.0¢ per kWh in 2025 (EIA).
What internet providers serve Clark Township?
Xfinity, Jcfiber, AT&T, Metronet, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Clark Township?
46143 (58%), 46259 (15%), 46131 (12%), 46184 (9%), 46162 (6%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Clark Township in?
Clark-Pleasant Community School Corporation.
How do I register to vote in Clark Township?
In Indiana you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Johnson County Board of Voter Registration. Check your registration at indianavoters.in.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 Nov 18, 2024 (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.