Ruby
Census-designated place in St. Clair County, Michigan

Ruby is an unincorporated community (census-designated place) in St. Clair County, Michigan, with 852 residents (2020 Census). It sits at 699 ft (213 m) above sea level. The nearest town is Lakeport, 7.9 miles NE.
- 852residents (2020 Census)
- 699 ftelevation · 213 m
- 3.8 sq miland area · 9.7 km²
- 227 / sq mipopulation density
- 48049ZIP code
About Ruby
Ruby is an unincorporated community and census-designated place (CDP) in St. Clair County in the U.S. state of Michigan. The community is located just south of M-136 in Clyde Township. As an unincorporated community, Ruby has no legal autonomy of its own. The CDP had a population of 852 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Ruby
- Median household income
- $69,077
- Median home value
- $223,800
- Median rent
- $1,105/mo
- Median age
- 32.2
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Map of Ruby
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Open in Google Maps ›Ruby, MI population
Ruby had 852 residents in the 2020 Census.
| 2020 Census | 852 |
|---|---|
| Density | 227 per sq mi (88 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Ruby at a glance
| State | Michigan (MI) |
|---|---|
| County | St. Clair County |
| Type | Census-designated place |
| Population | 852 (2020) |
| Land area | 3.75 sq mi (9.7 km²) |
| Water area | 0.00 sq mi (0.01 km²) |
| Elevation | 699 ft (213 m) |
| Coordinates | 43.0329° N, 82.6118° W |
| ZIP code | 48049 |
| Census code (GEOID) | 2670160 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Ruby
- Lakeport7.9 mi NE
- Emmett8.2 mi W
- Port Huron9.4 mi E
- Marysville10.8 mi SE
- Yale11.5 mi NW
- Memphis12.4 mi SW
- St. Clair15.5 mi SE
- Capac15.8 mi W
- Melvin16.5 mi NW
- Croswell16.6 mi N
- Lexington16.6 mi N
- Richmond16.9 mi SW
Straight-line distance between town centers.
Frequently asked questions about Ruby
What county is Ruby in?
Ruby is in St. Clair County, Michigan.
What is the population of Ruby, MI?
852 people lived in Ruby at the 2020 Census.
What is the ZIP code of Ruby, MI?
The ZIP code of Ruby is 48049.
What is the elevation of Ruby?
699 feet (213 m) above sea level.
What towns are near Ruby?
Lakeport (7.9 mi), Emmett (8.2 mi), Port Huron (9.4 mi), Marysville (10.8 mi), Yale (11.5 mi).
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