ZIP code 72531: Union, AR
ZIP code 72531 is in Baxter County (55%) and Fulton County (45%), Arkansas, outside any city or Census-designated place. It is in Arkansas's 1st congressional district. Its state senate district is State Senate District 23; its state house district is State House District 3.
See it on the mapAll of Arkansas
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Baxter County | 55% |
| Fulton County | 45% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Union township | 53% |
| Big Creek township | 36% |
| Fulton township | 8.0% |
| Cleveland township | 1.8% |
| Mill township | 1.3% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Arkansas's 1st congressional district (AR-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (AR-01) | Eric A. "Rick" Crawford (R) | 202-225-4076 | 100% |
| U.S. Senator | John Boozman (R) | 202-224-4843 · contact form | statewide |
| U.S. Senator | Tom Cotton (R) | 202-224-2353 · contact form | statewide |
| State Senator (State Senate District 23) | Scott Flippo (R) | 100% | |
| State Representative (State House District 3) | Stetson Painter (R) | 501-733-3203 | 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
- Baxter County website: http://www.baxtercounty.org/
- Baxter County laws: search for the Baxter County, Arkansas code of ordinances
- Fulton County laws: search for the Fulton County, Arkansas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 3 | 100% |
Voting precincts
5 voting precincts overlap ZIP 72531. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:72531")
ZIP 72531 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.