Louisa County Population 2017

Louisa County's estimated population is 11,142 with a growth rate of -0.79% in the past year according to the most recent United States census data. Louisa County is the 67th largest county in Iowa.

Year Population Growth Growth Rate
201611,142-89-0.79%
201511,23190.08%
201411,222-99-0.87%
201311,321-19-0.17%
201211,340-26-0.23%
201111,36640.04%
201011,362-230-1.98%
199011,592-463-3.84%
198012,0551,37312.85%
197010,6823923.81%
196010,290-811-7.31%
195011,101-283-2.49%
194011,384-191-1.65%
193011,575-604-4.96%
192012,179-676-5.26%
191012,855-661-4.89%
190013,5161,64313.84%
189011,873-1,269-9.66%
188013,1422652.06%
187012,8772,50724.18%
186010,3705,431109.96%
18504,9393,012156.31%
18401,9270.00%

Louisa County Population Growth

Population Data via

Louisa County Race Data

Race Population Percentage
White10,51794.39%
Asian4043.63%
Two or More Races1341.20%
Black or African American1070.96%
American Indian and Alaska Native520.47%
Native Hawaiian and Other Pacific Islander170.15%

Louisa County Population Pyramid

0k0k0k0k0kLouisa County Male Population0k0k0k0k0kLouisa County Female Population

Population of Cities in Louisa County

City 2010 Census 2016 Estimated Growth Growth Rate
Wapello20672042-25-1.21%
Columbus Junction18961848-48-2.53%
Morning Sun836814-22-2.63%
Grandview556530-26-4.68%
Letts384376-8-2.08%
Columbus City391370-21-5.37%
Oakville173171-2-1.16%
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