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.

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

Ruby Population

Demographics

Economics and Income Statistics

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)