Warrenville, Illinois
Warrenville is a city in DuPage County, Illinois, with 13,553 residents in 2020. It spans 2 congressional districts: IL-03 (61%) and IL-11 (39%). It spans 3 state senate and 3 state house districts.
County
| County | Share of residents |
|---|---|
| DuPage County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Illinois's 3rd congressional district (IL-03) | 61% |
| Illinois's 11th congressional district (IL-11) | 39% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-03) | Delia C. Ramirez (D) | 202-225-5701 | 61% |
| U.S. Representative (IL-11) | Bill Foster (D) | 202-225-3515 | 39% |
| 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 21) | Laura Ellman (Democratic) | 630-601-9961 | 40% |
| State Senator (State Senate District 25) | Karina Villa (Democratic) | 630-326-9319 | 31% |
| State Senator (State Senate District 24) | Seth Lewis (R) | 630-349-0645 | 30% |
| State Representative (State House District 41) | Janet Yang Rohr (Democratic) | 630-296-4157 | 40% |
| State Representative (State House District 49) | Maura Hirschauer (Democratic) | 331-465-9661 | 31% |
| State Representative (State House District 47) | Amy Grant (R) | 331-218-4182 | 30% |
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
- Warrenville website: http://www.warrenville.il.us/
- Warrenville laws: search for the Warrenville, Illinois code of ordinances
- DuPage County website: https://www.dupagecounty.gov/
- DuPage County laws: search for the DuPage County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 21 | 40% |
| State Senate District 25 | 31% |
| State Senate District 24 | 30% |
| State house district | Share of residents |
|---|---|
| State House District 41 | 40% |
| State House District 49 | 31% |
| State House District 47 | 30% |
ZIP codes
Percentages mark ZIPs only partly in Warrenville: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Warrenville'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:1778929")
Warrenville 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.