Grundy County Population 2017

Grundy County's estimated population is 12,313 with a growth rate of -0.81% in the past year according to the most recent United States census data. Grundy County is the 62nd largest county in Iowa.

Year Population Growth Growth Rate
201612,313-100-0.81%
201512,413370.30%
201412,376520.42%
201312,324-116-0.93%
201212,440-34-0.27%
201112,474170.14%
201012,4574283.56%
199012,029-2,337-16.27%
198014,3662471.75%
197014,119-13-0.09%
196014,1324102.99%
195013,7222041.51%
194013,518-615-4.35%
193014,133-287-1.99%
192014,4208466.23%
191013,574-183-1.33%
190013,7575424.10%
189013,2155764.56%
188012,6396,24097.52%
18706,3995,606706.94%
18607930.00%

Grundy County Population Growth

Population Data via

Grundy County Race Data

Race Population Percentage
White12,18898.98%
Two or More Races1180.96%
Black or African American480.39%
Asian420.34%
American Indian and Alaska Native100.08%
Native Hawaiian and Other Pacific Islander70.06%

Grundy County Population Pyramid

0k0k0k0k0k1kGrundy County Male Population0k0k0k0k0k1kGrundy County Female Population

Population of Cities in Grundy County

City 2010 Census 2016 Estimated Growth Growth Rate
Grundy Center27062686-20-0.74%
Reinbeck16711635-36-2.15%
Dike12091280715.87%
Conrad11081086-22-1.99%
Wellsburg707691-16-2.26%
Holland282277-5-1.77%
Stout224220-4-1.79%
Beaman191190-1-0.52%
Morrison9492-2-2.13%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990