Mattoon, Illinois
Mattoon is a city in Coles County, Illinois, with 16,870 residents in 2020. It spans 2 congressional districts: IL-15 (93%) and IL-12 (7.1%). Its state senate district is State Senate District 51; its state house district is State House District 101.
County
| County | Share of residents |
|---|---|
| Coles County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Illinois's 15th congressional district (IL-15) | 93% |
| Illinois's 12th congressional district (IL-12) | 7.1% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-15) | Mary E. Miller (R) | 202-225-5271 | 93% |
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 7.1% |
| 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 51) | Chapin Rose (R) | 217-607-1853 | 100% |
| State Representative (State House District 101) | Chris Miller (R) | 217-508-4108 | 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
- Mattoon website: http://www.mattoon.illinois.gov/
- Mattoon laws: search for the Mattoon, Illinois code of ordinances
- Coles County laws: search for the Coles County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 51 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 101 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Mattoon: the share of that ZIP's residents living in it.
- 61938 (81%)
Get this in your AI agent
Your agent can get Mattoon's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1747553")
Mattoon here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.