ZIP code 60103: Bartlett, IL
ZIP code 60103 is in Bartlett (97% of residents), in DuPage County (58%), Cook County (41%) and Kane County (0.2%), Illinois. It is in Illinois's 3rd congressional district (66%) and Illinois's 8th congressional district (34%). Its state senate districts are State Senate District 25 (98%), State Senate District 24 (1.6%) and State Senate District 33 (0.2%); its state house districts are State House District 49 (98%), State House District 47 (1.4%), State House District 48 (0.3%) and State House District 65 (0.2%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Bartlett | 97% |
| Carol Stream | 0.1% |
| County | Share of ZIP residents |
|---|---|
| DuPage County | 58% |
| Cook County | 41% |
| Kane County | 0.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Wayne township | 58% |
| Hanover township | 41% |
| Elgin township | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 3rd congressional district (IL-03) | 66% |
| Illinois's 8th congressional district (IL-08) | 34% |
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-03) | Delia C. Ramirez (D) | 202-225-5701 | 66% |
| U.S. Representative (IL-08) | Raja Krishnamoorthi (D) | 202-225-3711 | 34% |
| 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 25) | Karina Villa (Democratic) | 630-326-9319 | 98% |
| State Senator (State Senate District 24) | Seth Lewis (R) | 630-349-0645 | 1.6% |
| State Senator (State Senate District 33) | Don DeWitte (R) | 847-214-8245 | 0.2% |
| State Senator (State Senate District 22) | Cristina Castro (Democratic) | 847-214-8864 | <0.1% |
| State Representative (State House District 49) | Maura Hirschauer (Democratic) | 331-465-9661 | 98% |
| State Representative (State House District 47) | Amy Grant (R) | 331-218-4182 | 1.4% |
| State Representative (State House District 48) | Jennifer Sanalitro (R) | 630-349-0645 | 0.3% |
| State Representative (State House District 65) | Dan Ugaste (R) | 630-797-5530 | 0.2% |
| State Representative (State House District 44) | Fred Crespo (Democratic) | 630-372-3340 | <0.1% |
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
- Bartlett laws: search for the Bartlett, Illinois code of ordinances
- DuPage County website: https://www.dupagecounty.gov/
- DuPage County laws: search for the DuPage County, Illinois code of ordinances
- Cook County website: https://www.cookcountyil.gov/
- Cook County laws: search for the Cook County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 98% |
| State Senate District 24 | 1.6% |
| State Senate District 33 | 0.2% |
| State Senate District 22 | land only |
| State house district | Share of ZIP residents |
|---|---|
| State House District 49 | 98% |
| State House District 47 | 1.4% |
| State House District 48 | 0.3% |
| State House District 65 | 0.2% |
| State House District 44 | land only |
Voting precincts
32 voting precincts overlap ZIP 60103. 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:60103")
ZIP 60103 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.