Grundy County Population 2017

Grundy County's estimated population is 50,437 with a growth rate of -0.12% in the past year according to the most recent United States census data. Grundy County is the 30th largest county in Illinois.

Year Population Growth Growth Rate
201650,437-62-0.12%
201550,499900.18%
201450,4092320.46%
201350,17790.02%
201250,168950.19%
201150,073-46-0.09%
201050,11917,78254.99%
199032,3371,7555.74%
198030,5824,04715.25%
197026,5354,18518.72%
196022,3503,13316.30%
195019,2178194.45%
194018,398-280-1.50%
193018,678980.53%
192018,580-5,582-23.10%
191024,162260.11%
190024,1363,11214.80%
189021,0244,29225.65%
188016,7321,79412.01%
187014,9384,55943.93%
186010,3797,356243.33%
18503,0230.00%

Grundy County Population Growth

Population Data via

Grundy County Race Data

Race Population Percentage
White48,55296.26%
Black or African American7411.47%
Two or More Races6171.22%
Asian4020.80%
American Indian and Alaska Native1680.33%
Native Hawaiian and Other Pacific Islander190.04%

Grundy County Population Pyramid

0k1k1k2k2kGrundy County Male Population0k1k1k2k2kGrundy County Female Population

Population of Cities in Grundy County

City 2010 Census 2016 Estimated Growth Growth Rate
Morris13638144968586.29%
Minooka10924112543303.02%
Coal City55875434-153-2.74%
Gardner14631419-44-3.01%
Mazon1015978-37-3.65%
Braceville792760-32-4.04%
South Wilmington681655-26-3.82%
Verona215212-3-1.40%
Kinsman9997-2-2.02%
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