Coldstream, Ohio
Coldstream is a Census-designated place (an unincorporated community) in Hamilton County, Ohio, with 1,322 residents in 2020. It is in Ohio's 1st congressional district. Its state senate district is State Senate District 8; its state house district is State House District 27.
County
| County | Share of residents |
|---|---|
| Hamilton County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Ohio's 1st congressional district (OH-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (OH-01) | Greg Landsman (D) | 202-225-2216 | 100% |
| U.S. Senator | Bernie Moreno (R) | 202-224-2315 | statewide |
| U.S. Senator | Jon Husted (R) | 202-224-3353 | statewide |
| State Senator (State Senate District 8) | Bill Blessing (R) | 100% | |
| State Representative (State House District 27) | Rachel Baker (Democratic) | 100% |
Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Coldstream laws: search for the Coldstream, Ohio code of ordinances
- Hamilton County laws: search for the Hamilton County, Ohio code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 8 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 27 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Coldstream: the share of that ZIP's residents living in it.
- 45255 (6.0%)
Get this in your AI agent
Your agent can get Coldstream'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:3916521")
Coldstream 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.