Marshall County Population 2018

Marshall County's estimated population is 11,730 with a growth rate of -1.41% in the past year according to the most recent United States census data. Marshall County is the 85th largest county in Illinois.

Year Population Growth Growth Rate
201711,730-168-1.41%
201611,898-20-0.17%
201511,918-41-0.34%
201411,959-163-1.34%
201312,122-133-1.09%
201212,255-224-1.80%
201112,479-152-1.20%
201012,631-215-1.67%
199012,846-1,633-11.28%
198014,4791,1778.85%
197013,302-32-0.24%
196013,3343092.37%
195013,025-154-1.17%
194013,1791561.20%
193013,023-1,737-11.77%
192014,760-919-5.86%
191015,679-691-4.22%
190016,3702,71719.90%
189013,653-1,402-9.31%
188015,055-1,901-11.21%
187016,9563,51926.19%
186013,4378,257159.40%
18505,1803,331180.15%
18401,8490.00%

Marshall County Population Growth

Population Data via

Marshall County Race Data

Race Population Percentage
White11,69499.69%
Two or More Races1261.07%
Black or African American630.54%
Asian550.47%
American Indian and Alaska Native360.31%
Native Hawaiian and Other Pacific Islander60.05%

Marshall County Population Pyramid

0k0k0k0k0k1k Male Population0k0k0k0k0k1k Female Population8580757065605550454035302520151050
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