Lake Forest, Illinois
Lake Forest is a city in Lake County, Illinois, with 19,367 residents in 2020. It is in Illinois's 10th congressional district. Its state senate district is State Senate District 29; its state house district is State House District 58.
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 |
|---|---|---|---|
| Mayor | George A. Pandaleon | citywide | |
| 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 29) | Julie Morrison (Democratic) | 847-945-5200 | 100% |
| State Representative (State House District 58) | Bob Morgan (Democratic) | 847-780-8471 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Lake Forest website: https://www.cityoflakeforest.com/
- Lake Forest laws: search for the Lake Forest, 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 29 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 58 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Lake Forest: the share of that ZIP's residents living in it.
- 60045 (92%)
Get this in your AI agent
Your agent can get Lake Forest'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:1741105")
Lake Forest 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.