Ruby Flag

Ruby

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. For every 100 females there are 80.8 males.

901
Total Population
240
Density (mi²)
60 7.13%
Growth

Ruby Population

Ruby Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Ruby includes 89.5% White, and smaller percentages for and multiracial populations.

Population by Race

White (89.5%)

Two or more races (10.5%)

Race
Population
Percentage (of total)
White63189.5%
Two or more races7410.5%

Ruby Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)