Ruby

County:: St. Clair County
County Seat:: No
Area (mi²):: 3.751
State:: Michigan

Ruby is a CDP located in St. Clair County, Michigan. Ruby has a 2025 population of 901. Ruby is currently growing at a rate of 7.13% annually and its population has increased by 43.02% since the most recent census, which recorded a population of 630 in 2020.

The average household income in Ruby is $77,130 with a poverty rate of 3.12%. The median age in Ruby is 42.2 years: 46.8 years for males, and 38.4 years for females.

Demographics

The racial composition of Ruby includes 89.5% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	631	89.5%
Two or more races	74	10.5%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Ruby Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Ruby's average per capita income is $43,024. Household income levels show a median of $66,910. The poverty rate stands at 3.12%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$86,198	-
Families	$85,260	$92,695
Households	$66,910	$77,130
Non Families	-	$25,629

$43,024

Average Income

$66,910

Median Household Income

3.12%

Poverty Rate