ZIP code 62078: Wilmington, IL

ZIP code 62078 is in Wilmington, in Greene County, Illinois. It is in Illinois's 15th congressional district. Its state senate district is State Senate District 50; its state house district is State House District 100.

76residents (2020 Census)

0.5 sq miland area

1cities and towns

1congressional district

1voting precincts

See it on the map All of Illinois

City and county

City or town	Share of ZIP residents
Wilmington	100%

County	Share of ZIP residents
Greene County	100%

Town or county subdivision	Share of ZIP residents
Patterson township	100%

Congressional district

Congressional district	Share of ZIP residents
Illinois's 15th congressional district (IL-15)	100%

Members of Congress

Office	Member	Contact
U.S. Representative (IL-15)	Mary E. Miller (R)	202-225-5271
U.S. Senator	Richard J. Durbin (D)	202-224-2152 · contact form
U.S. Senator	Tammy Duckworth (D)	202-224-2854 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate district	Share of ZIP residents
State Senate District 50	100%

State house district	Share of ZIP residents
State House District 100	100%

Voting precincts

1 voting precinct overlap ZIP 62078. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 62078 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.