Linn County Iowa Zip Codes

Cities in

Below are a list of the cities located in Linn County, IA. There are 31 total unique zip codes in Linn County, Iowa. The time zone for Linn County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 19113.

The population in Linn County, IA is currently 228,939. That is an increase of 8.06% vs the population of 211,226 in 2010.


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