Welcome to the City of Pennock website. The City of Pennock is a small friendly community with a population of 508, located 5 miles west of Willmar on Hwy 12. The City of Pennock is "A Community with Pride" with homes and yards being well kept. There are 4 parks, baseball diamond, convenience store the Community Center that is available for rental to have a birthday party, graduation, etc. There is the new Dirk's Fourth addition with 28 sites available to purchase to build your dream home.