County ZIP codes · Illinois · FIPS 17011
Bureau County, IL ZIP Codes
Bureau County, Illinois has 31 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 24 of the residential ones lie mainly in Bureau County and 7 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $52,615 in 61443 (Kewanee) to $91,250 in 61361 (Sheffield) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Bureau 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 $64,063 and $71,375.
They carry 31 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 31 residential ZIP codes in Bureau County
24 ZIP codes lie mainly in Bureau County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 61356 | Princeton | 10,799 | 57 | $68k | $153k | 100% |
| 61362 | Spring Valley | 5,764 | 227 | $72k | $158k | 100% |
| 61376 | Walnut | 1,894 | 19 | $61k | $128k | 86% |
| 61322 | Depue | 1,530 | 427 | $66k | $59k | 100% |
| 61361 | Sheffield | 1,417 | 16 | $91k | $147k | 90% |
| 61329 | Ladd | 1,356 | 636 | $67k | $130k | 100% |
| 61368 | Tiskilwa | 1,273 | 18 | $88k | $127k | 100% |
| 61379 | Wyanet | 1,260 | 32 | $64k | $103k | 100% |
| 61330 | La Moille | 1,182 | 16 | $69k | $148k | 92% |
| 61349 | Ohio | 1,151 | 19 | $71k | $119k | 73% |
| 61345 | Neponset | 770 | 16 | $76k | $100k | 92% |
| 61320 | Dalzell | 727 | 852 | $76k | $162k | 100% |
| 61314 | Buda | 686 | 15 | $52k | $72k | 100% |
| 61337 | Malden | 558 | 78 | $79k | $112k | 100% |
| 61317 | Cherry | 521 | 511 | $59k | $103k | 100% |
| 61312 | Arlington | 392 | 12 | $81k | $156k | 100% |
| 61359 | Seatonville | 369 | 502 | $53k | $97k | 100% |
| 61338 | Manlius | 299 | 45 | $76k | $92k | 100% |
| 61315 | Bureau | 264 | 212 | $57k | $55k | 100% |
| 61344 | Mineral | 264 | 12 | $44k | $71k | 95% |
| 61323 | Dover | 125 | 984 | $48k | $120k | 100% |
| 61374 | Van Orin | 56 | 17 | $59k | $95k | 100% |
| 61346 | New Bedford | 43 | 79 | $43k | $79k | 100% |
| 61328 | Kasbeer | 18 | 12 | – | – | 100% |
Partly in Bureau County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 61283 | Tampico | 1,269 | 15 | $64k | $122k | 47% |
| 61421 | Bradford | 1,231 | 12 | $66k | $91k | 36% |
| 61342 | Mendota | 8,543 | 79 | $65k | $154k | 8% |
| 61354 | Peru | 10,290 | 242 | $76k | $159k | 8% |
| 61537 | Henry | 2,743 | 48 | $67k | $118k | 5% |
| 61560 | Putnam | 477 | 14 | $73k | $222k | 4% |
| 61443 | Kewanee | 13,456 | 134 | $53k | $80k | 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 Bureau County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Bureau | Elsewhere |
|---|---|---|
| 61443 | 3% | Henry County 94%; Stark County 4% |
| 61354 | 8% | LaSalle County 92% |
| 61342 | 8% | LaSalle County 87%; Lee County 5% |
| 61537 | 5% | Marshall County 95% |
| 61376 | 86% | Lee County 14% |
| 61361 | 90% | Henry County 10% |
| 61283 | 47% | Whiteside County 51%; Henry County 2% |
| 61421 | 36% | Stark County 55%; Marshall County 9% |
| 61330 | 92% | Lee County 8% |
| 61349 | 73% | Lee County 27% |
| 61345 | 92% | Stark County 8% |
| 61560 | 4% | Putnam County 92%; Marshall County 4% |
| 61344 | 95% | Henry County 5% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Bureau County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Bureau County's ZIP codes use 4 prefixes: 612, 613, 614 and 615.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 612 | Quad Cities, IL (SCF 612) | 1 | 47 |
| 613 | Peoria, IL (SCF 615) | 26 | 62 |
| 614 | Peoria, IL (SCF 615) | 2 | 73 |
| 615 | Peoria, IL (SCF 615) | 2 | 48 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.