ZIP code 61018: Dakota, IL
ZIP code 61018 is in Dakota (48% of residents), in Stephenson County, Illinois. 52% of its residents live outside city limits. It is in Illinois's 16th congressional district (95%) and Illinois's 17th congressional district (5.1%). Its state senate district is State Senate District 45; its state house district is State House District 90.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dakota | 48% |
| County | Share of ZIP residents |
|---|---|
| Stephenson County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dakota township | 74% |
| Buckeye township | 13% |
| Rock Run township | 7.0% |
| Lancaster township | 5.1% |
| Rock Grove township | 0.8% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 95% |
| Illinois's 17th congressional district (IL-17) | 5.1% |
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-16) | Darin LaHood (R) | 202-225-6201 | 95% |
| U.S. Representative (IL-17) | Eric Sorensen (D) | 202-225-5905 | 5.1% |
| 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 45) | Andrew Chesney (R) | 815-232-0774 | 100% |
| State Representative (State House District 90) | John Cabello (R) | 815-974-0090 | 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
- Dakota laws: search for the Dakota, Illinois code of ordinances
- Stephenson County website: http://www.co.stephenson.il.us
- Stephenson County laws: search for the Stephenson County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 45 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 90 | 100% |
Voting precincts
5 voting precincts overlap ZIP 61018. 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:61018")
ZIP 61018 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.