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Ruby, MI

Census-designated place in St. Clair County, Michigan. ZIP codes: 48049.

Population

714

Land area

3.8sq mi

People per sq mi

190

ZIP codes

1

Ruby and its ZIP codes

Full map

Ruby at a glance

  • The median household income is $69,077, 5% below the Michigan median of $72,875.
  • A typical owner-occupied home is valued at $223,800 (3% below Michigan) and median rent is $1,105 a month.

Local data for Ruby, MI

Counts from official public data

Housing and community stats

Ruby, MI, American Community Survey 2020-2024

Full profile

Median household income

$69,077

Poverty rate

2.7%

Median home value

$223,800

Median rent

$1,105/mo

Homeownership

74.9%

Bachelor's or higher

12.1%

Median age

32.2

Average commute

29.8 min

Largest reported origins and ancestries: German Americans (134), Irish Americans (49), Polish Americans (48).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for St. Clair County. PPP loans are for Ruby.

Details

Unemployment rate

5.2%

Sep 2026, +0.7 pts in a year

Average annual pay

$58,073

41,734 jobs, 2025

Income per person

$57,943

BEA, 2024

Federal spending

$1.2B

FY 2026, $7,388 per person

St. Clair County economyFederal spending

How people get to work

Ruby, MI, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone67.9%
  • Carpooled25.2%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home6.9%

Average one-way commute: 29.8 minutes for people who do not work from home.

Environment and hazard risk

Ruby, MI, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: cold wave

Storm events since 1996

536

Countywide, mostly thunderstorm wind

Flood insurance policies

1,248

2.0% of homes, county

July high / Jan low

81° / 20°F

34.9 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Ruby, MI, CDC PLACES estimates

All 40 measures

Obesity

34.4%

U.S. 33.3% +1.1 pts

Diabetes

9.8%

U.S. 12.1% -2.3 pts

Smoking

14.3%

U.S. 12.8% +1.5 pts

Uninsured (18-64)

5.4%

U.S. 11.1% -5.7 pts

ZIP codes in Ruby

1 in or overlapping Ruby. Population shown

·

Cities near Ruby

NameDistanceLand area (sq mi)
LakeportCensus-designated place7.8 mi1
EmmettVillage8.2 mi1.5
Port HuronCity9.6 mi8.1
MarysvilleCity11 mi7.3
YaleCity11 mi1.4
MemphisCity13 mi1.1
St. ClairCity15 mi2.9
CapacVillage16 mi1.9
MelvinVillage16 mi1
CroswellCity16 mi2.4
LexingtonVillage17 mi1.4
RichmondCity17 mi2.9
PeckVillage19 mi1
ArmadaVillage19 mi0.7
ApplegateVillage22 mi1
Brown CityCity22 mi1.1

Frequently asked questions

What county is Ruby, MI in?
Ruby is in St. Clair County, Michigan.
What ZIP codes are in Ruby, MI?
ZIP codes in or overlapping Ruby include 48049.
What is the population of Ruby, MI?
About 714 people live in Ruby, based on American Community Survey 5-year estimates.
What cities are near Ruby?
Nearby places include Lakeport (7.8 mi), Emmett (8.2 mi), Port Huron (9.6 mi), Marysville (11 mi), Yale (11 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023