Ruby
- County:
- St. Clair County
- County Seat:
- No
- Area (mi²):
- 3.751
- State:
- Michigan
Ruby is a CDP located in St. Clair County, Michigan Michigan. Unfortunately, the data for this location is currently limited or unavailable.
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.