Adams County Population 2018

Adams County's estimated population is 3,686 with a growth rate of -0.81% in the past year according to the most recent United States census data. Adams County is the 99th largest county in Iowa.

Year Population Growth Growth Rate
20173,686-30-0.81%
20163,716-37-0.99%
20153,753-125-3.22%
20143,878-14-0.36%
20133,892-17-0.43%
20123,909-85-2.13%
20113,994-29-0.72%
20104,023-843-17.32%
19904,866-865-15.09%
19805,731-591-9.35%
19706,322-1,146-15.35%
19607,468-1,285-14.68%
19508,753-1,403-13.81%
194010,156-281-2.69%
193010,437-84-0.80%
192010,521-477-4.34%
191010,998-2,603-19.14%
190013,6011,30910.65%
189012,2924043.40%
188011,8887,274157.65%
18704,6143,081200.98%
18601,5330.00%

Adams County Population Growth

Population Data via

Adams County Race Data

Race Population Percentage
White3,67799.76%
Asian280.76%
Two or More Races250.68%
American Indian and Alaska Native180.49%
Black or African American100.27%
Native Hawaiian and Other Pacific Islander0.00%

Adams County Population Pyramid

0k0k0k0k0k Male Population0k0k0k0k0k 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