Ruby, Michigan
Ruby is a Census-designated place (an unincorporated community) in St. Clair County, Michigan, with 852 residents in 2020. It is in Michigan's 9th congressional district. Its state senate district is State Senate District 25; its state house district is State House District 64.
County
| County | Share of residents |
|---|---|
| St. Clair County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Michigan's 9th congressional district (MI-09) | 100% |
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 25 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 64 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Ruby: the share of that ZIP's residents living in it.
- 48049 (15%)
Get this in your AI agent
Your agent can get Ruby's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2670160")
Ruby here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.