County ZIP codes · Illinois · FIPS 17075
Iroquois County, IL ZIP Codes
Iroquois County, Illinois has 28 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 23 of the residential ones lie mainly in Iroquois County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $46,688 in 60970 (Watseka) to $102,143 in 60927 (Clifton) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Iroquois 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 $59,135 and $82,083.
They carry 28 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 28 residential ZIP codes in Iroquois County
23 ZIP codes lie mainly in Iroquois County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 60970 | Watseka | 5,991 | 47 | $47k | $120k | 100% |
| 60927 | Clifton | 2,300 | 31 | $102k | $214k | 100% |
| 60953 | Milford | 2,075 | 14 | $59k | $107k | 100% |
| 60938 | Gilman | 2,035 | 40 | $73k | $136k | 100% |
| 60955 | Onarga | 1,953 | 23 | $79k | $109k | 100% |
| 60948 | Loda | 1,660 | 34 | $106k | $230k | 70% |
| 60924 | Cissna Park | 1,565 | 22 | $78k | $155k | 100% |
| 60966 | Sheldon | 1,385 | 23 | $47k | $85k | 100% |
| 60911 | Ashkum | 1,325 | 21 | $90k | $159k | 100% |
| 60951 | Martinton | 796 | 16 | $81k | $118k | 100% |
| 60930 | Danforth | 761 | 17 | $58k | $165k | 100% |
| 60918 | Buckley | 754 | 15 | $74k | $122k | 98% |
| 60931 | Donovan | 510 | 11 | $54k | $105k | 100% |
| 60928 | Crescent City | 493 | 48 | $55k | $117k | 100% |
| 60912 | Beaverville | 475 | 13 | $59k | $82k | 100% |
| 60968 | Thawville | 374 | 8 | $46k | $92k | 52% |
| 60973 | Wellington | 347 | 12 | $85k | $76k | 100% |
| 60974 | Woodland | 297 | 245 | $52k | $86k | 100% |
| 60945 | Iroquois | 183 | 78 | $52k | $92k | 100% |
| 60956 | Papineau | 132 | 632 | $51k | $72k | 100% |
| 60967 | Stockland | 51 | 19 | – | – | 100% |
| 60926 | Claytonville | 50 | 16 | $45k | $43k | 100% |
| 60939 | Goodwine | no residents | 0 | – | – | 100% |
Partly in Iroquois County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 60922 | Chebanse | 2,088 | 38 | $62k | $174k | 49% |
| 60942 | Hoopeston | 5,657 | 49 | $61k | $92k | 32% |
| 60964 | Saint Anne | 4,777 | 64 | $82k | $185k | 28% |
| 60941 | Herscher | 1,627 | 32 | $85k | $206k | 12% |
| 60960 | Rankin | 946 | 11 | $57k | $71k | 9% |
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?
8 ZIP codes of Iroquois County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Iroquois | Elsewhere |
|---|---|---|
| 60942 | 32% | Vermilion County68% |
| 60964 | 28% | Kankakee County72% |
| 60922 | 49% | Kankakee County51% |
| 60948 | 70% | Ford County30% |
| 60941 | 12% | Kankakee County84%; Ford County4% |
| 60960 | 9% | Vermilion County67%; Ford County22%; Champaign County2% |
| 60918 | 98% | Ford County2% |
| 60968 | 52% | Ford County46%; Livingston County2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Iroquois County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Iroquois County starts with 609.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 609 | Champaign, IL (SCF 618) | 28 | 57 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.