County ZIP codes · Illinois · FIPS 17115
Macon County, IL ZIP Codes
Macon County, Illinois has 29 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 27 residential and 2 for PO boxes or a single organization. 16 of the residential ones lie mainly in Macon County and 11 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $49,062 in 62526 (Decatur) to $112,000 in 62535 (Forsyth) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Macon County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $66,337 and $94,583.
They carry 24 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 27 residential ZIP codes in Macon County
16 ZIP codes lie mainly in Macon County; 11 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62521 | Decatur | 32,665 | 495 | $66k | $125k | 100% |
| 62526 | Decatur | 30,483 | 462 | $49k | $95k | 100% |
| 62522 | Decatur | 15,185 | 634 | $51k | $114k | 100% |
| 62549 | Mt Zion | 6,454 | 798 | $101k | $186k | 100% |
| 62535 | Forsyth | 3,502 | 965 | $112k | $281k | 100% |
| 61756 | Maroa | 2,542 | 30 | $86k | $181k | 70% |
| 62501 | Argenta | 2,324 | 30 | $96k | $172k | 100% |
| 62554 | Oreana | 1,832 | 101 | $96k | $153k | 100% |
| 62544 | Macon | 1,668 | 25 | $89k | $147k | 100% |
| 61925 | Dalton City | 1,182 | 27 | $81k | $133k | 75% |
| 62573 | Warrensburg | 1,147 | 27 | $95k | $161k | 100% |
| 62551 | Niantic | 820 | 31 | $70k | $129k | 100% |
| 62523 | Decatur | 707 | 1,582 | $13k | – | 100% |
| 62514 | Boody | 297 | 314 | $53k | $103k | 100% |
| 62537 | Harristown | 272 | 247 | $71k | $88k | 100% |
| 62532 | Elwin | 40 | 48 | – | $122k | 100% |
Partly in Macon County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62513 | Blue Mound | 1,391 | 21 | $83k | $143k | 48% |
| 62543 | Latham | 477 | 23 | $74k | $88k | 35% |
| 61830 | Cisco | 510 | 15 | $67k | $161k | 28% |
| 62539 | Illiopolis | 1,412 | 30 | $83k | $123k | 23% |
| 61818 | Cerro Gordo | 1,560 | 40 | $84k | $116k | 14% |
| 61749 | Kenney | 653 | 18 | $71k | $113k | 11% |
| 61937 | Lovington | 1,782 | 19 | $61k | $100k | 7% |
| 62550 | Moweaqua | 2,858 | 32 | $74k | $150k | 7% |
| 62547 | Mount Auburn | 574 | 14 | $60k | $95k | 4% |
| 61914 | Bethany | 1,771 | 29 | $63k | $120k | 3% |
| 61882 | Weldon | 777 | 20 | $80k | $137k | 3% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Macon County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Macon | Elsewhere |
|---|---|---|
| 62550 | 7% | Shelby County 60%; Christian County 34% |
| 61756 | 70% | De Witt County 30% |
| 61937 | 7% | Moultrie County 93% |
| 61914 | 3% | Moultrie County 76%; Shelby County 21% |
| 61818 | 14% | Piatt County 86% |
| 62539 | 23% | Sangamon County 77% |
| 62513 | 48% | Christian County 52% |
| 61925 | 75% | Moultrie County 25% |
| 61882 | 3% | De Witt County 90%; Piatt County 7% |
| 61749 | 11% | De Witt County 80%; Logan County 9% |
| 62547 | 4% | Christian County 96% |
| 61830 | 28% | Piatt County 72% |
| 62543 | 35% | Logan County 65% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Macon County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Macon County's ZIP codes use 4 prefixes: 617, 618, 619 and 625.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 617 | Champaign, IL (SCF 618) | 2 | 60 |
| 618 | Champaign, IL (SCF 618) | 3 | 62 |
| 619 | Champaign, IL (SCF 618) | 3 | 30 |
| 625 | Springfield, IL (SCF 625) | 21 | 53 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.