ZIP code 60441: Lockport, IL
ZIP code 60441 is in Lockport (70% of residents), Crest Hill (7.5%), Fairmont (6.4%), Bonnie Brae (3.5%), Lockport Heights (2.0%) and Joliet (1.6%), in Will County, Illinois. 8.8% of its residents live outside city limits. It is in Illinois's 1st congressional district (61%) and Illinois's 14th congressional district (39%). Its state senate districts are State Senate District 43 (56%), State Senate District 19 (41%) and State Senate District 49 (2.9%); its state house districts are State House District 85 (56%), State House District 37 (41%) and State House District 98 (2.9%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lockport | 70% |
| Crest Hill | 7.5% |
| Fairmont | 6.4% |
| Bonnie Brae | 3.5% |
| Lockport Heights | 2.0% |
| Joliet | 1.6% |
| Romeoville | 0.2% |
| County | Share of ZIP residents |
|---|---|
| Will County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lockport township | 59% |
| Homer township | 39% |
| Plainfield township | 1.8% |
| Du Page township | 0.6% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 1st congressional district (IL-01) | 61% |
| Illinois's 14th congressional district (IL-14) | 39% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-01) | Jonathan L. Jackson (D) | 202-225-4372 | 61% |
| U.S. Representative (IL-14) | Lauren Underwood (D) | 202-225-2976 | 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 43) | Rachel Ventura (Democratic) | 331-290-0443 | 56% |
| State Senator (State Senate District 19) | Mike Hastings (Democratic) | 41% | |
| State Senator (State Senate District 49) | Meg Loughran Cappel (Democratic) | 815-267-6119 | 2.9% |
| State Representative (State House District 85) | Dee Avelar (Democratic) | 815-372-0085 | 56% |
| State Representative (State House District 37) | Patrick Sheehan (R) | 708-694-2032 | 41% |
| State Representative (State House District 98) | Natalie Manley (Democratic) | 815-725-2741 | 2.9% |
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
- Lockport website: http://www.lockport.org/
- Lockport laws: search for the Lockport, Illinois code of ordinances
- Crest Hill website: http://www.cityofcresthill.com
- Crest Hill laws: search for the Crest Hill, Illinois code of ordinances
- Fairmont laws: search for the Fairmont, Illinois code of ordinances
- Will County website: https://www.willcountyillinois.com/
- Will County laws: search for the Will County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 43 | 56% |
| State Senate District 19 | 41% |
| State Senate District 49 | 2.9% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 85 | 56% |
| State House District 37 | 41% |
| State House District 98 | 2.9% |
Voting precincts
23 voting precincts overlap ZIP 60441. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:60441")
ZIP 60441 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.