County ZIP codes · Illinois · FIPS 17179
Tazewell County, IL ZIP Codes
Tazewell County, Illinois has 24 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 21 residential and 3 for PO boxes or a single organization. 16 of the residential ones lie mainly in Tazewell County and 5 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $47,993 in 61610 (Creve Coeur) to $128,125 in 61535 (Groveland) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Tazewell 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 $71,435 and $100,972.
They carry 21 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 21 residential ZIP codes in Tazewell County
16 ZIP codes lie mainly in Tazewell County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 61554 | Pekin | 40,577 | 550 | $65k | $128k | 100% |
| 61571 | Washington | 24,470 | 458 | $90k | $204k | 100% |
| 61611 | East Peoria | 24,040 | 587 | $79k | $165k | 71% |
| 61550 | Morton | 18,792 | 456 | $99k | $247k | 100% |
| 61610 | Creve Coeur | 4,621 | 1,116 | $48k | $86k | 100% |
| 61568 | Tremont | 4,483 | 66 | $101k | $239k | 100% |
| 61755 | Mackinaw | 4,364 | 94 | $102k | $204k | 100% |
| 61546 | Manito | 3,849 | 41 | $80k | $136k | 63% |
| 61734 | Delavan | 2,443 | 32 | $71k | $153k | 100% |
| 61535 | Groveland | 1,748 | 235 | $128k | $243k | 100% |
| 61534 | Green Valley | 1,725 | 31 | $90k | $167k | 100% |
| 61747 | Hopedale | 1,441 | 50 | $80k | $188k | 100% |
| 61759 | Minier | 1,359 | 39 | $92k | $162k | 100% |
| 61733 | Deer Creek | 984 | 44 | $98k | $202k | 84% |
| 61564 | South Pekin | 936 | 958 | $75k | $113k | 100% |
| 61721 | Armington | 552 | 16 | $92k | $141k | 86% |
Partly in Tazewell County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 62682 | San Jose | 684 | 15 | $60k | $100k | 14% |
| 62635 | Emden | 661 | 16 | $78k | $132k | 9% |
| 61732 | Danvers | 2,099 | 34 | $108k | $224k | 9% |
| 61742 | Goodfield | 1,542 | 250 | $112k | $240k | 4% |
| 61530 | Eureka | 6,470 | 102 | $69k | $163k | 4% |
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?
9 ZIP codes of Tazewell County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Tazewell | Elsewhere |
|---|---|---|
| 61611 | 71% | Woodford County 29% |
| 61530 | 4% | Woodford County 96% |
| 61546 | 63% | Mason County 37% |
| 61732 | 9% | McLean County 91% |
| 61742 | 4% | Woodford County 96% |
| 61733 | 84% | Woodford County 16% |
| 62682 | 14% | Mason County 56%; Logan County 30% |
| 62635 | 9% | Logan County 91% |
| 61721 | 86% | Logan County 14% |
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 Tazewell County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Tazewell County's ZIP codes use 4 prefixes: 615, 616, 617 and 626.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 615 | Peoria, IL (SCF 615) | 11 | 48 |
| 616 | Peoria, IL (SCF 615) | 3 | 33 |
| 617 | Champaign, IL (SCF 618) | 8 | 60 |
| 626 | Springfield, IL (SCF 625) | 2 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.