Carroll County Population 2018

Carroll County's estimated population is 20,320 with a growth rate of -0.23% in the past year according to the most recent United States census data. Carroll County is the 31st largest county in Iowa.

Year Population Growth Growth Rate
201720,320-46-0.23%
201620,366-54-0.26%
201520,420-76-0.37%
201420,496-42-0.20%
201320,538-113-0.55%
201220,651-202-0.97%
201120,853290.14%
201020,824-599-2.80%
199021,423-1,528-6.66%
198022,951390.17%
197022,912-519-2.22%
196023,4313661.59%
195023,0652951.30%
194022,7704441.99%
193022,3267773.61%
192021,5491,4327.12%
191020,117-202-0.99%
190020,3191,4917.92%
189018,8286,47752.44%
188012,3519,900403.92%
18702,4512,170772.24%
18602810.00%

Carroll County Population Growth

Population Data via

Carroll County Race Data

Race Population Percentage
White19,95298.19%
Black or African American1980.97%
Two or More Races1870.92%
Asian1000.49%
American Indian and Alaska Native620.31%
Native Hawaiian and Other Pacific Islander80.04%

Carroll County Population Pyramid

0k0k0k1k1k Male Population0k0k0k1k1k 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