Boundary Atlas

ZIP code 62284: Smithboro, IL

ZIP code 62284 is in Smithboro (27% of residents), in Bond County, Illinois. 73% of its residents live outside city limits. It is in Illinois's 15th congressional district. Its state senate district is State Senate District 55; its state house district is State House District 110.

556residents (2020 Census)
27.2 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Illinois

City and county

City or townShare of ZIP residents
Smithboro27%

CountyShare of ZIP residents
Bond County100%

Town or county subdivisionShare of ZIP residents
Pleasant Mound township82%
Tamalco township13%
Mulberry Grove township5.0%

Congressional district

Congressional districtShare of ZIP residents
Illinois's 15th congressional district (IL-15)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IL-15)Mary E. Miller (R)202-225-5271100%
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 55)Jason Plummer (R)618-283-3000100%
State Representative (State House District 110)Blaine Wilhour (R)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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 55100%

State house districtShare of ZIP residents
State House District 110100%

Voting precincts

5 voting precincts overlap ZIP 62284. 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:62284")

ZIP 62284 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.