Cass County Population 2017

Cass County's estimated population is 13,157 with a growth rate of -1.48% 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
201613,157-197-1.48%
201513,354-5-0.04%
201413,359-223-1.64%
201313,582-129-0.94%
201213,711-72-0.52%
201113,783-152-1.09%
201013,935-1,193-7.89%
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
White13,05199.19%
Two or More Races940.71%
American Indian and Alaska Native620.47%
Native Hawaiian and Other Pacific Islander530.40%
Asian490.37%
Black or African American450.34%

Cass County Population Pyramid

0k0k0k0k0k1kCass County Male Population0k0k0k0k0k1kCass County Female Population

Population of Cities in Cass County

City 2010 Census 2016 Estimated Growth Growth Rate
Atlantic71126659-453-6.37%
Griswold1038977-61-5.88%
Anita980943-37-3.78%
Lewis433407-26-6.00%
Massena355345-10-2.82%
Cumberland262251-11-4.20%
Marne120114-6-5.00%
Wiota116110-6-5.17%
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