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The Ruby handbook

Living in Ruby, MI: what to set up and who to call

Ruby has no town government of its own, so St. Clair County runs its elections and most services, and its children attend Yale Public Schools. Most of Ruby has one wired internet choice: Xfinity.

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

I’m new in town

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

PowerDTEinvestor-owned utility · 20.2¢/kWhMore →Internet5 providers96% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Ruby’s trash rules yetMore →SchoolYale Public SchoolsWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code48049Where people live, not P.O. boxesMore →
Home services

Power, water and internet

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

Electricity

Power comes from DTE

DTE (DTE Electric Co.), an investor-owned utility, serves all of Ruby. Its homes paid an average of 20.2¢ per kWh in 2025, about $126 a month (its average across Michigan, for customers on its standard service). Michigan lets you buy power from another supplier; 0% of DTE’s home customers do, and DTE still delivers it.

Start or move service: www.dteenergy.com · (800) 477-4747

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

Internet

5 home internet providers serve Ruby

96% of 349 addresses can get 100/20 Mbps; 0% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable82%1,200/35
FrontierDSL9%10/1
T-MobileFixed wireless79%100/20
AT&TFixed wireless74%100/20
Mercury FiberFixed wireless67%150/20

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

Trash & recycling

We don’t have Ruby’s trash rules yet

Pickup rules, the dump and recycling in Ruby.

Trash, recycling and bulk pickupNot on fileRuby 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.

Ruby kids go to
PK–512 elementary schoolsDepends on your address
6–84 middle schoolsDepends on your address
9–123 high schoolsDepends on your address

Most of Ruby (70%) is in Yale Public Schools; parts are in Port Huron Area School District (30%).

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

Ruby is unincorporated, so St. Clair County is the local government.

Local governmentSt. Clair CountyRuby is a census-designated place: no town hall of its ownCensus
Who runs elections hereClyde Township ClerkElections here are run by Clyde Township (town or city clerk). 3350 Vincent Road, North Street, MI 48049 · 810-985-7258 x204 · [email protected]FVAP, Nov 2025
Register to voteOnlineIn Michigan you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before).vote.govCheck your registration and polling placemvic.sos.state.mi.usThe state’s voter lookup

Election office: FVAP local election office directory, updated Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.

ZIP codes & area codes

Ruby is in ZIP code 48049

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

ZIPPost office nameShare of RubyZIP’s residents in Ruby
48049North Street, MI100%15%

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 roomLake Huron Medical Center8.4 miles awayGet a library cardSaint Clair County Library210 Mcmorran Boulevard · (810) 987-7323

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

Questions about living in Ruby

Who provides electricity in Ruby?

DTE (DTE Electric Co.), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).

What internet providers serve Ruby?

Xfinity, Frontier, T-Mobile, AT&T, Mercury Fiber (FCC, as of December 2025).

What ZIP codes are in Ruby?

48049. Census 2020 ZIP Code Tabulation Areas.

What school district is Ruby in?

Yale Public Schools. Parts of the city are in Port Huron Area School District.

How do I register to vote in Ruby?

In Michigan you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Clyde Township Clerk. Check your registration at mvic.sos.state.mi.us.

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 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.