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The Horse Creek handbook

Living in Horse Creek, SD: what to set up and who to call

Horse Creek has no town government of its own, so Mellette County runs its elections and most services, and its children attend White River School District 47-1. Power in Horse Creek comes from LaCreek Electric Assn, a cooperative utility rather than a private company.

Which school will my kid attend?How do I register to vote?ZIP codes
Horse Creek has no town government. It’s a census-designated place in Mellette County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Horse Creek’s town page under “Getting set up”.

I’m new in town

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

PowerLaCreek Electric Assncooperative utilityMore →Internet3 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Horse Creek’s trash rules yetMore →SchoolWhite River School District 47-1Which school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP code57579Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Horse Creek.

Electricity

Power comes from LaCreek Electric Assn

LaCreek Electric Assn (LaCreek Electric Assn, Inc), a cooperative utility, serves all of Horse Creek.

Start or move service: lacreek.com · (605) 685-6581

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

Internet

3 home internet providers serve Horse Creek

100% of 32 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
Golden West TelecommunicationsFiber100%1,000/1,000
AT&TFixed wireless34%25/3
VerizonFixed wireless6%25/6

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

Trash & recycling

We don’t have Horse Creek’s trash rules yet

Pickup rules, the dump and recycling in Horse Creek.

Trash, recycling and bulk pickupNot on fileHorse Creek has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Horse Creek kids go to
PK–52 elementary schoolsDepends on your address
6–8White River Middle School - 04in White River
9–12White River High School - 01in White River

Horse Creek is in White River School District 47-1.

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

No town hall: the county runs things

Horse Creek is unincorporated, so Mellette County is the local government.

Local governmentMellette CountyHorse Creek is a census-designated place: no town hall of its ownCensus
Who runs elections hereMellette County AuditorElections here are run by Mellette County (county election office). PO Box C, White River, SD 57579-0403 · (605) 259-3050 · [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

Horse Creek is in ZIP code 57579

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

ZIPPost office nameShare of Horse CreekZIP’s residents in Horse Creek
57579White River, SD100%16%

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 roomPHS Indian Hospital at Rosebud23.6 miles awayGet a library cardSinte Gleska University LibraryHighway 18 East, Main Campus · (605) 856-8112

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

Questions about living in Horse Creek

Who provides electricity in Horse Creek?

LaCreek Electric Assn (LaCreek Electric Assn, Inc), a cooperative utility.

What internet providers serve Horse Creek?

Golden West Telecommunications, AT&T, Verizon (FCC, as of December 2025).

What ZIP codes are in Horse Creek?

57579. Census 2020 ZIP Code Tabulation Areas.

What school district is Horse Creek in?

White River School District 47-1.

How do I register to vote in Horse Creek?

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 Mellette 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.