Tiffin, Iowa ZIP Codes

ZIP records
1
Sum of listed ZIP population estimates
6,128
Counties represented
1
Population range
6,128–6,128 per ZIP

Population sum includes positive estimates in these ZIP records; it is not an official city population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	52340	Tiffin	Johnson	6,128

Counties represented

Johnson County

All ZIP Codes in Tiffin

ZIP 52340 — Johnson County

Browse all ZIP data for Iowa

Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.