ZIP code 62630: Chesterfield, IL
ZIP code 62630 is in Chesterfield (36% of residents), in Macoupin County (96%) and Greene County (3.6%), Illinois. 64% of its residents live outside city limits. It is in Illinois's 13th congressional district (96%) and Illinois's 15th congressional district (3.6%). Its state senate district is State Senate District 50; its state house district is State House District 100.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Chesterfield | 36% |
| County | Share of ZIP residents |
|---|---|
| Macoupin County | 96% |
| Greene County | 3.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Chesterfield township | 62% |
| Western Mound township | 30% |
| Bird township | 4.2% |
| Rockbridge township | 3.6% |
| Polk township | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 13th congressional district (IL-13) | 96% |
| Illinois's 15th congressional district (IL-15) | 3.6% |
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 |
|---|---|---|---|
| U.S. Representative (IL-13) | Nikki Budzinski (D) | 202-225-2371 | 96% |
| U.S. Representative (IL-15) | Mary E. Miller (R) | 202-225-5271 | 3.6% |
| 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 50) | Jil Tracy (R) | 217-223-0833 | 100% |
| State Representative (State House District 100) | C.D. Davidsmeyer (R) | 618-639-2071 | 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
- Chesterfield laws: search for the Chesterfield, Illinois code of ordinances
- Macoupin County website: http://www.macoupincountyil.gov
- Macoupin County laws: search for the Macoupin County, Illinois code of ordinances
- Greene County website: http://www.greenecountyil.com/
- Greene County laws: search for the Greene County, Illinois code of ordinances
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
5 voting precincts overlap ZIP 62630. 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:62630")
ZIP 62630 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.