ZIP code 61705: Bloomington, IL
ZIP code 61705 is in Bloomington (53% of residents) and Twin Grove (10%), in McLean County, Illinois. 36% of its residents live outside city limits. It is in Illinois's 16th congressional district (83%) and Illinois's 17th congressional district (17%). Its state senate districts are State Senate District 44 (92%) and State Senate District 46 (7.5%); its state house districts are State House District 88 (79%), State House District 87 (13%) and State House District 91 (7.5%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Bloomington | 53% |
| Twin Grove | 10% |
| Downs | 0.1% |
| County | Share of ZIP residents |
|---|---|
| McLean County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Bloomington City township | 53% |
| Old Town township | 17% |
| Bloomington township | 12% |
| Dry Grove township | 9.0% |
| Dale township | 6.4% |
| Randolph township | 0.7% |
| Downs township | 0.5% |
| Towanda township | 0.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 16th congressional district (IL-16) | 83% |
| Illinois's 17th congressional district (IL-17) | 17% |
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 |
|---|---|---|---|
| Mayor | Dan Brady | 309-434-2210 | 53% |
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 83% |
| U.S. Representative (IL-17) | Eric Sorensen (D) | 202-225-5905 | 17% |
| 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 44) | Sally Turner (R) | 217-651-8291 | 92% |
| State Senator (State Senate District 46) | Dave Koehler (Democratic) | 309-808-2345 | 7.5% |
| State Representative (State House District 88) | Regan Deering (R) | 217-876-1968 | 79% |
| State Representative (State House District 87) | Bill Hauter (R) | 309-819-8701 | 13% |
| State Representative (State House District 91) | Sharon Chung (Democratic) | 309-808-2351 | 7.5% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Bloomington website: http://www.cityblm.org/
- Bloomington laws: search for the Bloomington, Illinois code of ordinances
- Twin Grove laws: search for the Twin Grove, Illinois code of ordinances
- McLean County website: https://www.mcleancountyil.gov/
- McLean County laws: search for the McLean County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 44 | 92% |
| State Senate District 46 | 7.5% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 88 | 79% |
| State House District 87 | 13% |
| State House District 91 | 7.5% |
Voting precincts
21 voting precincts overlap ZIP 61705. 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:61705")
ZIP 61705 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.