Ruby is a city located in St. Clair County Michigan. Ruby has a 2024 population of 703. Ruby is currently declining at a rate of -1.26% annually but its population has increased by 11.59% since the most recent census, which recorded a population of 630 in 2020.
The average household income in Ruby is $81,243 with a poverty rate of 1.11%. The median age in Ruby is 44.5 years: 46.8 years for males, and 42.6 years for females.
According to the most recent ACS, the racial composition of Ruby was:
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 285 | 2.53 | 77.5 | 22.5 |
| Married | 151 | 2.98 | 84.8 | 15.2 |
| Non Family | 82 | 1.13 | 89 | 11 |
| Female | 52 | 3.42 | 38.5 | 61.5 |
| Male | 0 | 0 | 0 | 0 |
3.09
Average Family Size
2.53
Average Household Size
77.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 86.54%.
The highest rate of bachelors degrees is among white people with a rate of 22.69%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
99.03% of Ruby residents speak only English, while 0.97% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.97% of the population.
1.11%
Overall Poverty Rate
2.32%
Male Poverty Rate
0%
Female Poverty Rate
The race most likely to be in poverty in Ruby is White, with 1.27% below the poverty level.
The race least likely to be in poverty in Ruby is White, with 1.27% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 4.23%.
Married
Widowed
Divorced
Separated
NeverMarried
57.1%
Overall Marriage Rate
68.5%
Male Marriage Rate
48.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
44%
Veteran Disability Rate
LaborForceParticipation
62.8%
Labor Force Participation
62.8%
Employment Rate
0%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
90.29%
Born in Ruby
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of Ruby residents were born in the United States, with 90.29% having been born in Michigan. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.