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The Rolling Green Township handbook

Living in Rolling Green Township, SD: what to set up and who to call

Most mail in Rolling Green Township goes to 57634 (80% of residents), one of 2 ZIP codes in town. The ER is a drive from Rolling Green Township: the closest is West River Regional Medical Center, 38.4 miles away.

Which school will my kid attend?How do I register to vote?ZIP codes

I’m new in town

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

PowerMontana-Dakota Utilitiesinvestor-owned utility · 13.0¢/kWhMore →Internet1 providers95% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Rolling Green Township’s trash rules yetMore →SchoolLemmon School District 52-4Which school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP codes57634, 57638Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Rolling Green Township.

Electricity

Power comes from Montana-Dakota Utilities

Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility, serves all of Rolling Green Township. Its homes paid an average of 13.0¢ per kWh in 2025, about $111 a month (its average across South Dakota).

Start or move service: montana-dakota.com · (800) 638-3278

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

Internet

1 home internet providers serve Rolling Green Township

95% of 22 addresses can get 100/20 Mbps; 95% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
West River Cooperative Telephone CompanyFiber95%250/250

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

Trash & recycling

We don’t have Rolling Green Township’s trash rules yet

Pickup rules, the dump and recycling in Rolling Green Township.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Rolling Green Township or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Rolling Green Township kids go to
K–5Lemmon Elementary - 02in Lemmon
6–8Lemmon Jr. High - 06in Lemmon
9–12Lemmon High School - 01in Lemmon

Rolling Green Township is in Lemmon School District 52-4.

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.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Town HallBudget, officials, electionsRolling Green Township’s government in one page
Who runs elections hereCorson County AuditorElections here are run by Corson County (county election office). PO Box 255, McIntosh, SD 57641-0255 · (605) 273-4229 · [email protected]FVAP, Sep 2025
Register to voteIn personSouth Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before).vote.govCheck your registration and polling placevip.sdsos.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.

ZIP codes & area codes

Rolling Green Township spans 2 ZIP codes

ZIP codes where Rolling Green Township residents live, with the share of the town in each.

ZIPPost office nameShare of Rolling Green TownshipZIP’s residents in Rolling Green Township
57634Keldron, SD80%25%
57638Lemmon, SD20%0%

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.

Nearest emergency roomWest River Regional Medical Center38.4 miles awayGet a library cardLemmon Public Library303 1st Ave W · (605) 374-5611

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Rolling Green Township

Who provides electricity in Rolling Green Township?

Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility. Its homes paid about 13.0¢ per kWh in 2025 (EIA).

What internet providers serve Rolling Green Township?

West River Cooperative Telephone Company (FCC, as of December 2025).

What ZIP codes are in Rolling Green Township?

57634 (80%), 57638 (20%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Rolling Green Township in?

Lemmon School District 52-4.

How do I register to vote in Rolling Green Township?

South Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before). Elections here are run by the Corson County Auditor. Check your registration at vip.sdsos.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • 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 Aug 3, 2026 (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.