Boundary Atlas

Winfield, Alabama

Winfield is a city in Marion County (85% of residents) and Fayette County (15%), Alabama, with 4,845 residents in 2020. It is in Alabama's 4th congressional district. It spans 2 state senate and 2 state house districts.

4,845residents (2020 Census)
17.8 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Marion County85%
Fayette County15%

Congressional district

Congressional districtShare of residents
Alabama's 4th congressional district (AL-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (AL-04)Robert B. Aderholt (R)202-225-4876100%
U.S. SenatorKatie Boyd Britt (R)202-224-5744 · contact formstatewide
U.S. SenatorTommy Tuberville (R)202-224-4124 · contact formstatewide
State Senator (State Senate District 4)Garlan Gudger (R)85%
State Senator (State Senate District 5)Matt Woods (R)15%
State Representative (State House District 17)Tracy Estes (R)85%
State Representative (State House District 16)Bryan Brinyark (R)205-759-577315%

Elected in 2024 under AL'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

State legislative districts

State senate districtShare of residents
State Senate District 485%
State Senate District 515%

State house districtShare of residents
State House District 1785%
State House District 1615%

ZIP codes

Percentages mark ZIPs only partly in Winfield: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Winfield'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:0182992")

Winfield here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.