Johnson County, Illinois ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
13,046
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 | 62995 | Vienna | 6,339 |
| 2 | 62939 | Goreville | 2,958 |
| 3 | 62912 | Buncombe | 1,515 |
| 4 | 62972 | Ozark | 1,056 |
| 5 | 62923 | Cypress | 441 |
| 6 | 62943 | Grantsburg | 428 |
| 7 | 62967 | New Burnside | 309 |
Cities in Johnson County
ZIP Directory
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.