Triangle, Virginia
Triangle is a Census-designated place (an unincorporated community) in Prince William County, Virginia, with 9,589 residents in 2020. It is in Virginia's 7th congressional district. Its state senate district is State Senate District 29; its state house district is House of Delegates District 23.
County
| County | Share of residents |
|---|---|
| Prince William County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Virginia's 7th congressional district (VA-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (VA-07) | Eugene Simon Vindman (D) | 202-225-2815 | 100% |
| U.S. Senator | Mark R. Warner (D) | 202-224-2023 · contact form | statewide |
| U.S. Senator | Tim Kaine (D) | 202-224-4024 · contact form | statewide |
| State Senator (State Senate District 29) | Jeremy McPike (Democratic) | 100% | |
| Delegate (State House District 23) | Margaret Franklin (Democratic) | 100% |
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
- Triangle laws: search for the Triangle, Virginia code of ordinances
- Prince William County website: http://www.pwcgov.org/
- Prince William County laws: search for the Prince William County, Virginia code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 29 | 100% |
| State house district | Share of residents |
|---|---|
| House of Delegates District 23 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Triangle: the share of that ZIP's residents living in it.
- 22172 (90%)
Get this in your AI agent
Your agent can get Triangle'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:5179360")
Triangle 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.