Plymouth County Iowa

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Welcome to Plymouth County, Iowa Website

The Following Holidays are recognized by the Plymouth County Courthouse employees and other County Departments.


Good Friday  Friday April 10th

Memorial Day Monday May 25th

Independence Day Observed Friday July 3rd

Labor Day Monday September 7th

Veterans Day Wednesday November 11th

Thanksgiving Day Thursday November 26th

Day After Thanksgiving Friday November 27th

Christmas Eve Thursday December 24th

Christmas Day Friday December 25th

New Years Day Friday January 1st - 2021

There are other offices in the Courthouse that are State and not County Offices.  See the Clerk of Courts web page to find out what Holidays are recognized by the State Of Iowa.
 (Click Here)

Plymouth County Courthouse

215 4th Ave SE

LeMars, Iowa 51031




Open 8 AM to 5 PM Monday - Friday

Plymouth County Engineers Office
32802 170th St
LeMars, Iowa 51031

( September - May)
8:00 AM to 4:30 PM Monday - Friday
(June - August)
7:00 AM - 3:30 PM Monday - Friday
Plymouth County Law Enforcement Center
451 14th Ave NE
LeMars, Iowa 51031


Civil Administrator

Open 8 AM to 5 PM Monday - Friday

Unofficial 2020 general election results

Click for 2020 general election information

Plymouth Energy Windmills

Board of adjustment
           conditional use permit

Board of Supervisors
          Decommissioning Agreement
           Road and Right-a-way use Agreement

                     Map of Windmills

Send your questions or comments about this web site to Plymouth County. For Accessibilty issure Click Here