ZIP code 61323: Dover, IL
ZIP code 61323 is in Dover, in Bureau County, Illinois. It is in Illinois's 16th congressional district (96%) and Illinois's 14th congressional district (4.2%). Its state senate district is State Senate District 37; its state house district is State House District 73.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dover | 100% |
| County | Share of ZIP residents |
|---|---|
| Bureau County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dover township | 96% |
| Berlin township | 4.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 96% |
| Illinois's 14th congressional district (IL-14) | 4.2% |
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 | 96% |
| U.S. Representative (IL-14) | Lauren Underwood (D) | 202-225-2976 | 4.2% |
| 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 37) | Li Arellano (R) | 779-251-5003 | 100% |
| State Representative (State House District 73) | Ryan Spain (R) | 309-690-7373 | 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
- Dover laws: search for the Dover, Illinois code of ordinances
- Bureau County laws: search for the Bureau County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 37 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 73 | 100% |
Voting precincts
2 voting precincts overlap ZIP 61323. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:61323")
ZIP 61323 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.