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 2026 population of 868. Ruby is currently growing at a rate of 6.77% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Ruby is $69,077 with a poverty rate of 2.66%. The median age in Ruby is 32.2 years: 32.9 years for males, and 31.1 years for females. For every 100 females there are 76.3 males.

868
Total Population
231
Density (mi²)
55 6.77%
Growth

Ruby Population

Ruby Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026868556.77%
2025813547.11%

Median Age

Overall: 32.2 years
Female: 31.1 years
Male: 32.9 years

Ruby Adults

There are 517 adults, (125 of whom are seniors) in Ruby.

Sex Ratio

Female: 405 (56.7%)
Male: 309 (43.3%)

Demographics

The racial composition of Ruby includes 85.57% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White61185.57%
Two or more races10314.43%
Race
Population ↓
Percentage (of total)
White61185.57%
Two or more races10314.43%

Ruby Marital Status

Economics and Income Statistics

Ruby 's average per capita income is $45,841. Household income levels show a median of $69,077. The poverty rate stands at 2.66%.

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$76,000-
Families$72,083$93,087
Households$69,077$81,172
Non Families-$21,854

$45,841

Average Income

$69,077

Median Household Income

2.66%

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)