Cass County Population 2018

Cass County's estimated population is 13,145 with a growth rate of -0.27% in the past year according to the most recent United States census data. Cass County is the 58th largest county in Iowa.

Year Population Growth Growth Rate
201713,145-35-0.27%
201613,180-169-1.27%
201513,349-45-0.34%
201413,394-175-1.29%
201313,569-130-0.95%
201213,699-65-0.47%
201113,764-165-1.18%
201013,929-1,199-7.93%
199015,128-1,804-10.65%
198016,932-75-0.44%
197017,007-912-5.09%
196017,919-613-3.31%
195018,532-115-0.62%
194018,647-775-3.99%
193019,42210.01%
192019,4213741.96%
191019,047-2,227-10.47%
190021,2741,6298.29%
189019,6452,70215.95%
188016,94311,479210.08%
18705,4643,852238.96%
18601,6120.00%

Cass County Population Growth

Population Data via

Cass County Race Data

Race Population Percentage
White13,05199.28%
Two or More Races940.72%
American Indian and Alaska Native620.47%
Native Hawaiian and Other Pacific Islander530.40%
Asian490.37%
Black or African American450.34%

Cass 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