Rochester, Illinois
Rochester is a village in Sangamon County, Illinois, with 3,863 residents in 2020. It is in Illinois's 13th congressional district. Its state senate district is State Senate District 48; its state house district is State House District 95.
County
| County | Share of residents |
|---|---|
| Sangamon County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Illinois's 13th congressional district (IL-13) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-13) | Nikki Budzinski (D) | 202-225-2371 | 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 48) | Doris Turner (Democratic) | 217-670-1828 | 100% |
| State Representative (State House District 95) | Mike Coffey (R) | 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
- Rochester laws: search for the Rochester, Illinois code of ordinances
- Sangamon County website: http://www.co.sangamon.il.us
- Sangamon County laws: search for the Sangamon County, Illinois code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 48 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 95 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Rochester: the share of that ZIP's residents living in it.
- 62563 (64%)
Get this in your AI agent
Your agent can get Rochester'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:1764759")
Rochester 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.