South Wilmington, Illinois
South Wilmington is a village in Grundy County, Illinois, with 710 residents in 2020. It is in Illinois's 16th congressional district. Its state senate district is State Senate District 40; its state house district is State House District 79.
County
| County | Share of residents |
|---|---|
| Grundy County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 100% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 40) | Patrick Joyce (Democratic) | 708-756-0882 | 100% |
| State Representative (State House District 79) | Jackie Haas (R) | 815-523-7779 | 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
- South Wilmington laws: search for the South Wilmington, Illinois code of ordinances
- Grundy County website: http://www.grundyco.org
- Grundy County laws: search for the Grundy County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 40 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 79 | 100% |
ZIP codes
Percentages mark ZIPs only partly in South Wilmington: the share of that ZIP's residents living in it.
- 60474 (86%)
Get this in your AI agent
Your agent can get South Wilmington'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:1771370")
South Wilmington 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.