ZIP code 61486: Viola, IL

ZIP code 61486 is in Viola (63% of residents), in Mercer County, Illinois. 37% of its residents live outside city limits. It is in Illinois's 17th congressional district. Its state senate districts are State Senate District 47 (92%) and State Senate District 36 (8.0%); its state house districts are State House District 94 (92%) and State House District 71 (8.0%).

1,383residents (2020 Census)

43.4 sq miland area

1cities and towns

1congressional district

7voting precincts

See it on the map All of Illinois

City and county

City or town	Share of ZIP residents
Viola	63%

County	Share of ZIP residents
Mercer County	100%

Town or county subdivision	Share of ZIP residents
Greene township	91%
Rivoli township	5.2%
Richland Grove township	1.6%
Suez township	1.2%
Preemption township	0.6%

Congressional district

Congressional district	Share of ZIP residents
Illinois's 17th congressional district (IL-17)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (IL-17)	Eric Sorensen (D)	202-225-5905	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 47)	Neil Anderson (R)	309-230-7584	92%
State Senator (State Senate District 36)	Mike Halpin (Democratic)	309-558-3612	8.0%
State Representative (State House District 94)	Norine Hammond (R)	309-836-2707	92%
State Representative (State House District 71)	Dan Swanson (R)		8.0%

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

Viola laws: search for the Viola, Illinois code of ordinances
Mercer County website: http://www.mercercountyil.org
Mercer County laws: search for the Mercer County, Illinois code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 47	92%
State Senate District 36	8.0%

State house district	Share of ZIP residents
State House District 94	92%
State House District 71	8.0%

Voting precincts

7 voting precincts overlap ZIP 61486. 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:61486")

ZIP 61486 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.