North Chicago, Illinois
North Chicago is a city in Lake County, Illinois, with 30,759 residents in 2020. It is in Illinois's 10th congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Lake County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 10th congressional district (IL-10) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-10) | Bradley Scott Schneider (D) | 202-225-4835 | 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 30) | Adriane Johnson (Democratic) | 847-672-6201 | 56% |
| State Senator (State Senate District 29) | Julie Morrison (Democratic) | 847-945-5200 | 44% |
| State Representative (State House District 60) | Rita Mayfield (Democratic) | 847-599-2800 | 56% |
| State Representative (State House District 58) | Bob Morgan (Democratic) | 847-780-8471 | 44% |
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
- North Chicago website: http://www.northchicago.org/
- North Chicago laws: search for the North Chicago, Illinois code of ordinances
- Lake County website: https://www.lakecountyil.gov/
- Lake County laws: search for the Lake County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 30 | 56% |
| State Senate District 29 | 44% |
| State house district | Share of residents |
|---|---|
| State House District 60 | 56% |
| State House District 58 | 44% |
ZIP codes
Percentages mark ZIPs only partly in North Chicago: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get North Chicago'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:1753559")
North Chicago 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.