Rio, Florida
Rio is a Census-designated place (an unincorporated community) in Martin County, Florida, with 980 residents in 2020. It is in Florida's 21st congressional district. Its state senate district is State Senate District 31; its state house district is State House District 86.
County
| County | Share of residents |
|---|---|
| Martin County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Florida's 21st congressional district (FL-21) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (FL-21) | Brian J. Mast (R) | 202-225-3026 | 100% |
| U.S. Senator | Ashley Moody (R) | 202-224-3041 | statewide |
| U.S. Senator | Rick Scott (R) | 202-224-5274 · contact form | statewide |
| State Senator (State Senate District 31) | Gayle Harrell (R) | 772-221-4019 | 100% |
| State Representative (State House District 86) | John Snyder (R) | 772-510-0120 | 100% |
Elected in 2024 under FL'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
- Rio laws: search for the Rio, Florida code of ordinances
- Martin County website: https://www.martin.fl.us
- Martin County laws: search for the Martin County, Florida code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 31 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 86 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Rio: the share of that ZIP's residents living in it.
- 34957 (4.3%)
Get this in your AI agent
Your agent can get Rio's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1260550")
Rio 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.