ZIP code 62521: Decatur, IL
ZIP code 62521 is in Decatur (78% of residents), Long Creek (3.5%) and Mount Zion (1.2%), in Macon County, Illinois. 17% of its residents live outside city limits. It is in Illinois's 15th congressional district (62%) and Illinois's 13th congressional district (38%). Its state senate districts are State Senate District 48 (55%), State Senate District 44 (37%) and State Senate District 54 (7.5%); its state house districts are State House District 96 (55%), State House District 88 (37%), State House District 107 (7.5%) and State House District 95 (0.1%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Decatur | 78% |
| Long Creek | 3.5% |
| Mount Zion | 1.2% |
| County | Share of ZIP residents |
|---|---|
| Macon County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Decatur township | 55% |
| Long Creek township | 30% |
| South Wheatland township | 11% |
| Mount Zion township | 1.8% |
| Whitmore township | 1.5% |
| Oakley township | 0.4% |
| Blue Mound township | 0.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 15th congressional district (IL-15) | 62% |
| Illinois's 13th congressional district (IL-13) | 38% |
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-15) | Mary E. Miller (R) | 202-225-5271 | 62% |
| U.S. Representative (IL-13) | Nikki Budzinski (D) | 202-225-2371 | 38% |
| 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 | 55% |
| State Senator (State Senate District 44) | Sally Turner (R) | 217-651-8291 | 37% |
| State Senator (State Senate District 54) | Steve McClure (R) | 217-960-0788 | 7.5% |
| State Representative (State House District 96) | Sue Scherer (Democratic) | 217-877-9636 | 55% |
| State Representative (State House District 88) | Regan Deering (R) | 217-876-1968 | 37% |
| State Representative (State House District 107) | Brad Halbrook (R) | 217-342-0220 | 7.5% |
| State Representative (State House District 95) | Mike Coffey (R) | 0.1% |
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
- Decatur laws: search for the Decatur, Illinois code of ordinances
- Long Creek website: https://villageoflongcreekil.gov
- Long Creek laws: search for the Long Creek, Illinois code of ordinances
- Mount Zion laws: search for the Mount Zion, Illinois code of ordinances
- Macon County website: https://maconcounty.illinois.gov/
- Macon County laws: search for the Macon County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 48 | 55% |
| State Senate District 44 | 37% |
| State Senate District 54 | 7.5% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 96 | 55% |
| State House District 88 | 37% |
| State House District 107 | 7.5% |
| State House District 95 | 0.1% |
Voting precincts
30 voting precincts overlap ZIP 62521. 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:62521")
ZIP 62521 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.