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Michigan›St. Clair County

RubyMI

A town of 714, settled in 1854.

Is Ruby a good place to live?

17% of the land in Ruby is conserved, above both the Michigan town median (4.4%) and the median of U.S. towns (4.3%). The biggest park or preserve is Port Huron State Game Area, at 386 acres. Ruby has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

714 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Clyde TownshipKenockee TownshipClyde TownshipKenockee TownshipRuby
Getting set up

Moving to Ruby: who provides what

Ruby is unincorporated, so St. Clair County and regional agencies provide most services.

PowerDTE20.2¢/kWh · EIA 2025HIFLD · EIA
Internet5 providers96% of addresses get 100/20 MbpsFCC
Trash & county servicesSt. Clair CountySt. Clair County provides services here
SchoolsYale Public SchoolsPort Huron Area School District2 districts serve Ruby; which school depends on your address and gradeNCES
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.gov
Who runs elections hereClyde Township ClerkClyde Township; contacts on the Handbook page.FVAP, Nov 2025
ZIP code4804948049 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.

The data

Ordered by what stands out in Ruby.

Work & commute

With 0.0 jobs for every working resident, most of Ruby’s workers commute out

Ruby’s average commute stands at 30 minutes, against 25 minutes in Michigan’s towns and 25 minutes across U.S. towns. Among residents locally, 2.7% live below the poverty line. The top destinations are Port Huron (13%), Fort Gratiot Township (7%) and Detroit (6%). Half the trips to work are shorter than 29 miles.

0%work in town
RubyMichigan townsU.S. towns
Below the poverty line2.7%8.9%9.6%
Average trip to work30 minutes25 minutes25 minutes
Median household income$69,000$77,000$80,000

Where working residents work

In Ruby0%
Port Huron13%
Fort Gratiot Township7%
Detroit6%
Marysville5%
29 mi
median commute distance
9
jobs based in Ruby
A commuter town
jobs vs. working residents

Census LEHD 2021 · ACS

Outdoors

Conservation land takes up 16.6% of Ruby

In 1 park or preserve, walkers have 2.3 miles of trail. The trail density in Ruby is 0.6 miles per square mile.

16.6%conserved
16.6%
conserved · 396 of 2,388 acres
2.3 mi
of trails · 0.6 per sq mi
Biggest places to walkTrailsAcres
1. Port Huron State Game Area0.6 mi386

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Climate

The climate in Ruby brings four seasons and pleasant summers

For Ruby, the midsummer high is 82°F.

36″snow a winter

Typical low → high °F

Winter20–33°
Spring36–55°
Summer60–80°
Fall43–60°
Nov 3
typical first frost
Apr 19
typical last frost
+1.6°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Natural hazards

Low risk in Ruby, with inland flooding at the top

Of the losses FEMA expects in Ruby, 57% come from inland flooding and 24% from cold waves. Expected storm and flood damage is lower than in 62% of U.S. communities.

38risk score of 100
FEMA risk score
38Low riskLowerHigher
Inland floodingCold wavesTornadoes

FEMA National Risk Index · OpenFEMA

Health

How healthy Ruby is

For adults in Ruby, the share who worry about having enough food is 10%. Two figures for adults locally: 9.8% have diabetes, 21% get no exercise outside work.

RubyMichigan townsU.S. towns
Binge drink (CDC PLACES)18%17%16%
Diabetes (CDC PLACES)9.8%12%12%
Get no exercise (CDC PLACES)21%25%25%
Fair or poor health (CDC PLACES)16%19%19%
32 measures vs. Michigan
9 better23 too close to call0 worse
What stands outRubyMI
Fewer adults facing food insecurity10.2%15.4%
Fewer adults facing a utility shut-off6.1%8.7%
Lake Huron Medical Center
8.4 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Housing

A home in Ruby sells for about $375K at the median

In Ruby, 75% of households own their home. The midpoint rent for Ruby comes to $1,105 a month.

$375Kmedian sale price
RubyMichigan townsU.S. towns
Households that own their home75%84%73%
Median rent$1,105 a month$1,046 a month$1,185 a month
1
homes sold in April

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Keep exploring

Everything we know about Ruby

16pages on Ruby
After high school

Colleges nearby

1 within 15 miles of the center of Ruby

A commuter town

100% of working residents leave Ruby for work

Where Ruby’s working residents go each day. Line width shows the share.

13% → Port Huron Port Huron 13% 7% → Fort Gratiot Township Fort Gratiot Township 7% 6% → Detroit Detroit 6% 5% → Marysville Marysville 5% 4% → Warren Warren 4% 4% → Port Huron Township Port Huron Township 4% Ruby · 0% stay
9jobs based in Ruby
0%of working residents work in town
29 mimedian commute distance

Census LEHD 2021

About Ruby

Census-designated place & unincorporated community in Michigan, United States

Ruby is an unincorporated community and census-designated place (CDP) in St. Clair County in the U.S. state of Michigan. The community is located just south of M-136 in Clyde Township. As an unincorporated community, Ruby has no legal autonomy of its own. The CDP had a population of 852 at the 2020 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
3.8 sq mi
Elevation
699 ft

Questions about Ruby

Short answers, built from the data on this page.

Is Ruby, MI a good place to live?

Ruby has fewer than 1,000 residents, too few for fair grades; the figures below are still real.