Linn County, Iowa ZIP Codes
- ZIP records
22 - Cities represented
17 - Sum of listed ZIP population estimates
228,503
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 | 52404 | Cedar Rapids | 42,958 |
| 2 | 52402 | Cedar Rapids | 42,938 |
| 3 | 52302 | Marion | 42,706 |
| 4 | 52405 | Cedar Rapids | 26,526 |
| 5 | 52403 | Cedar Rapids | 22,551 |
| 6 | 52411 | Cedar Rapids | 8,342 |
| 7 | 52233 | Hiawatha | 7,000 |
| 8 | 52314 | Mount Vernon | 6,200 |
| 9 | 52213 | Center Point | 4,114 |
| 10 | 52228 | Fairfax | 3,802 |
Cities in Linn County
- Alburnett
- Cedar Rapids
- Center Point
- Central City
- Coggon
- Ely
- Fairfax
- Hiawatha
- Marion
- Mount Vernon
- Palo
- Prairieburg
- Robins
- Springville
- Toddville
- Troy Mills
- Walker
ZIP Directory
- ZIP 52202
- ZIP 52213
- ZIP 52214
- ZIP 52218
- ZIP 52219
- ZIP 52227
- ZIP 52228
- ZIP 52233
- ZIP 52302
- ZIP 52314
- ZIP 52324
- ZIP 52328
- ZIP 52336
- ZIP 52341
- ZIP 52344
- ZIP 52352
- ZIP 52401
- ZIP 52402
- ZIP 52403
- ZIP 52404
- ZIP 52405
- ZIP 52411
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.