Peoria County, Illinois ZIP Codes
- ZIP records
25 - Cities represented
17 - Sum of listed ZIP population estimates
179,934
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 | 61604 | Peoria | 28,313 |
| 2 | 61614 | Peoria | 27,370 |
| 3 | 61615 | Peoria | 23,523 |
| 4 | 61603 | Peoria | 15,356 |
| 5 | 61605 | Peoria | 13,424 |
| 6 | 61525 | Dunlap | 12,357 |
| 7 | 61607 | Peoria | 10,600 |
| 8 | 61523 | Chillicothe | 10,203 |
| 9 | 61606 | Peoria | 6,684 |
| 10 | 61616 | Peoria Heights | 5,825 |
Cities in Peoria County
- Brimfield
- Chillicothe
- Dunlap
- Edelstein
- Edwards
- Elmwood
- Glasford
- Hanna City
- Kingston Mines
- Laura
- Mapleton
- Mossville
- Peoria
- Peoria Heights
- Princeville
- Rome
- Trivoli
ZIP Directory
- ZIP 61451
- ZIP 61517
- ZIP 61523
- ZIP 61525
- ZIP 61526
- ZIP 61528
- ZIP 61529
- ZIP 61533
- ZIP 61536
- ZIP 61539
- ZIP 61547
- ZIP 61552
- ZIP 61559
- ZIP 61562
- ZIP 61569
- ZIP 61602
- ZIP 61603
- ZIP 61604
- ZIP 61605
- ZIP 61606
- ZIP 61607
- ZIP 61614
- ZIP 61615
- ZIP 61616
- ZIP 61625
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.