LaSalle County, Illinois ZIP Codes
- ZIP records
26 - Cities represented
26 - Sum of listed ZIP population estimates
106,524
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 61350 | Ottawa | 23,713 |
| 2 | 61364 | Streator | 17,963 |
| 3 | 61301 | La Salle | 10,398 |
| 4 | 61354 | Peru | 10,290 |
| 5 | 61342 | Mendota | 8,543 |
| 6 | 61341 | Marseilles | 7,692 |
| 7 | 60551 | Sheridan | 5,058 |
| 8 | 61348 | Oglesby | 4,375 |
| 9 | 61360 | Seneca | 3,610 |
| 10 | 60518 | Earlville | 3,289 |
Cities in LaSalle County
- Cedar Point
- Dana
- Earlville
- Grand Ridge
- La Salle
- Leland
- Leonore
- Lostant
- Marseilles
- Mendota
- Millington
- Oglesby
- Ottawa
- Peru
- Ransom
- Rutland
- Seneca
- Serena
- Sheridan
- Streator
- Tonica
- Triumph
- Troy Grove
- Utica
- Wedron
- Wenona
ZIP Directory
- ZIP 60470
- ZIP 60518
- ZIP 60531
- ZIP 60537
- ZIP 60549
- ZIP 60551
- ZIP 60557
- ZIP 61301
- ZIP 61316
- ZIP 61321
- ZIP 61325
- ZIP 61332
- ZIP 61334
- ZIP 61341
- ZIP 61342
- ZIP 61348
- ZIP 61350
- ZIP 61354
- ZIP 61358
- ZIP 61360
- ZIP 61364
- ZIP 61370
- ZIP 61371
- ZIP 61372
- ZIP 61373
- ZIP 61377
Browse all ZIP data for Illinois
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.