Boundary Atlas

Bethalto, Illinois

Bethalto is a village in Madison County, Illinois, with 9,310 residents in 2020. It is in Illinois's 13th congressional district. It spans 2 state senate and 2 state house districts.

9,310residents (2020 Census)
7.6 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Madison County100%

Congressional district

Congressional districtShare of residents
Illinois's 13th congressional district (IL-13)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-13)Nikki Budzinski (D)202-225-2371100%
U.S. SenatorRichard J. Durbin (D)202-224-2152 · contact formstatewide
U.S. SenatorTammy Duckworth (D)202-224-2854 · contact formstatewide
State Senator (State Senate District 56)Erica Harriss (R)618-307-578980%
State Senator (State Senate District 50)Jil Tracy (R)217-223-083320%
State Representative (State House District 111)Amy Elik (R)618-433-804680%
State Representative (State House District 100)C.D. Davidsmeyer (R)618-639-207120%

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 5680%
State Senate District 5020%

State house districtShare of residents
State House District 11180%
State House District 10020%

ZIP codes

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

Get this in your AI agent

Your agent can get Bethalto'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:1705599")

Bethalto 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.