Linn County

Linn County, Iowa is located in the eastern part Iowa and covers approximately 725 square miles.  It is second largest county with an estimated population of 232,028 according to the US Census Bureau 2025 Population Estimates.  Linn County has an urban/rural mix with 18 incorporated jurisdictions.  The metropolitan area of Cedar Rapids, Marion, Hiawatha, and Robins has approximately 191,146 residents.  

The county receives an average of 37.90 inches of rain per year, and it receives an average of 8-10 inches of snow.  The average summer high temperature is 81.6F degrees and the average winter low is 23.0F degrees.

Information from the Linn County Planning and Zoning office breaks down countywide land use as follows:

Land Use	Acreage in Land Use	Total County Acres	% Total Acres
Agriculture	335,378	458,180	73.2
Commercial/ Industrial *	598	458,180	0.13
Residential **	13,571	458,180	2.96
Transportation	11,357	458,180	2.48
Totals	360,904	458,180	78.77

* Includes all acres that are within the Highway Commercial (HC), General Commercial (GC), and Industrial (I) zoning districts on the Linn County Zoning Map.

** Includes all acres that are with the Mobile Home (MH), Recreational Agricultural (Rec-Ag), Recreational Critical Natural Resource (Rec-CNR), Recreational Village Residential (Rec-VR), Rural Residential 1-acre (RR1), Rural Residential 2-acre (RR2), Rural Residential 3-acre (RR3), Urban Service Residential (USR), Village Mixed (VM), and Village Residential (VR) zoning districts on the Linn County Zoning Map.