Northfield, Illinois
Northfield is a village in Cook County, Illinois, with 5,743 residents in 2020. It spans 2 congressional districts: IL-09 (67%) and IL-10 (33%). Its state senate district is State Senate District 29; its state house district is State House District 57.
County
| County | Share of residents |
|---|---|
| Cook County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Illinois's 9th congressional district (IL-09) | 67% |
| Illinois's 10th congressional district (IL-10) | 33% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-09) | Janice D. Schakowsky (D) | 202-225-2111 | 67% |
| U.S. Representative (IL-10) | Bradley Scott Schneider (D) | 202-225-4835 | 33% |
| 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 57) | Tracy Katz Muhl (Democratic) | 847-715-9055 | 100% |
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
- Northfield website: http://www.northfieldil.org/
- Northfield laws: search for the Northfield, 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 residents |
|---|---|
| State Senate District 29 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 57 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Northfield: the share of that ZIP's residents living in it.
- 60093 (28%)
Get this in your AI agent
Your agent can get Northfield'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:1753663")
Northfield 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.