County ZIP codes · Illinois · FIPS 17113
McLean County, IL ZIP Codes
McLean County, Illinois has 40 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 33 residential and 7 for PO boxes or a single organization. 24 of the residential ones lie mainly in McLean County and 9 mainly in a neighboring county; 18 cross the county line. Median household income ranges from $51,323 in 60936 (Gibson City) to $128,036 in 61748 (Hudson) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of McLean 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 $77,800 and $104,119.
They carry 31 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 33 residential ZIP codes in McLean County
24 ZIP codes lie mainly in McLean County; 9 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 61761 | Normal | 54,075 | 1,269 | $65k | $215k | 100% |
| 61704 | Bloomington | 37,279 | 1,958 | $95k | $248k | 100% |
| 61701 | Bloomington | 35,136 | 3,186 | $57k | $145k | 100% |
| 61705 | Bloomington | 13,213 | 152 | $121k | $328k | 100% |
| 61745 | Heyworth | 4,542 | 61 | $108k | $228k | 82% |
| 61752 | Le Roy | 4,332 | 50 | $88k | $178k | 95% |
| 61753 | Lexington | 2,833 | 34 | $104k | $186k | 100% |
| 61748 | Hudson | 2,675 | 61 | $128k | $234k | 97% |
| 61736 | Downs | 2,673 | 77 | $110k | $276k | 100% |
| 61726 | Chenoa | 2,546 | 27 | $78k | $136k | 65% |
| 61744 | Gridley | 2,157 | 28 | $68k | $171k | 60% |
| 61732 | Danvers | 2,099 | 34 | $108k | $224k | 91% |
| 61728 | Colfax | 1,359 | 20 | $97k | $155k | 100% |
| 61776 | Towanda | 1,285 | 32 | $120k | $211k | 100% |
| 61754 | McLean | 1,131 | 14 | $99k | $163k | 87% |
| 61770 | Saybrook | 1,067 | 18 | $61k | $111k | 100% |
| 61774 | Stanford | 949 | 22 | $86k | $180k | 100% |
| 61722 | Arrowsmith | 658 | 13 | $111k | $136k | 100% |
| 61737 | Ellsworth | 416 | 12 | $84k | $179k | 100% |
| 61720 | Anchor | 374 | 13 | $91k | $111k | 87% |
| 61724 | Bellflower | 369 | 11 | $81k | $148k | 100% |
| 61730 | Cooksville | 361 | 12 | $77k | $161k | 100% |
| 61772 | Shirley | 273 | 11 | – | – | 100% |
| 61731 | Cropsey | 76 | 3 | – | $181k | 46% |
Partly in McLean County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 61725 | Carlock | 1,459 | 32 | $126k | $261k | 47% |
| 61842 | Farmer City | 2,620 | 24 | $80k | $158k | 18% |
| 61723 | Atlanta | 2,005 | 32 | $85k | $151k | 8% |
| 61729 | Congerville | 1,263 | 68 | $101k | $259k | 6% |
| 61738 | El Paso | 4,099 | 48 | $85k | $176k | 6% |
| 61843 | Fisher | 1,934 | 53 | $98k | $192k | 6% |
| 60936 | Gibson City | 4,246 | 44 | $51k | $157k | 5% |
| 61854 | Mansfield | 1,299 | 23 | $87k | $166k | 5% |
| 61739 | Fairbury | 4,628 | 44 | $77k | $164k | 5% |
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?
18 ZIP codes of McLean County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In McLean | Elsewhere |
|---|---|---|
| 61739 | 5% | Livingston County 95% |
| 61745 | 82% | De Witt County 18% |
| 61752 | 95% | De Witt County 5% |
| 60936 | 5% | Ford County 93%; Champaign County 2% |
| 61738 | 6% | Woodford County 94% |
| 61748 | 97% | Woodford County 3% |
| 61842 | 18% | De Witt County 63%; Piatt County 19% |
| 61726 | 65% | Livingston County 35% |
| 61744 | 60% | Livingston County 38%; Woodford County 3% |
| 61732 | 91% | Tazewell County 9% |
| 61723 | 8% | Logan County 92% |
| 61843 | 6% | Champaign County 94% |
| 61725 | 47% | Woodford County 53% |
| 61854 | 5% | Piatt County 95% |
| 61729 | 6% | Woodford County 94% |
| 61754 | 87% | De Witt County 8%; Logan County 5% |
| 61720 | 87% | Ford County 13% |
| 61731 | 46% | Livingston County 41%; Ford County 12% |
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 McLean County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. McLean County's ZIP codes use 3 prefixes: 609, 617 and 618.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 609 | Champaign, IL (SCF 618) | 1 | 57 |
| 617 | Champaign, IL (SCF 618) | 36 | 60 |
| 618 | Champaign, IL (SCF 618) | 3 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.