Grundy County Map
The County of Grundy is located in the State of Iowa. Find directions to Grundy County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Grundy County population is estimated at 12,217 people. The Grundy County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Black Hawk County, Butler County, Franklin County, Hardin County, Marshall County, Tama County.
Top cities include Grundy Center, Reinbeck, Dike, Conrad, Wellsburg