Madison County Population 2018

Madison County's estimated population is 16,013 with a growth rate of 1.39% in the past year according to the most recent United States census data. Madison County is the 48th largest county in Iowa.

Year Population Growth Growth Rate
201716,0132191.39%
201615,794810.52%
201515,7131090.70%
201415,6041290.83%
201315,475-163-1.04%
201215,638-96-0.61%
201115,73420.01%
201015,7323,24926.03%
199012,483-114-0.90%
198012,5971,0398.99%
197011,558-737-5.99%
196012,295-836-6.37%
195013,131-1,394-9.60%
194014,5251941.35%
193014,331-689-4.59%
192015,020-601-3.85%
191015,621-2,089-11.80%
190017,7101,73310.85%
189015,977-1,247-7.24%
188017,2243,34024.06%
187013,8846,54589.18%
18607,3396,160522.48%
18501,1790.00%

Madison County Population Growth

Population Data via

Madison County Race Data

Race Population Percentage
White15,36695.96%
Two or More Races1601.00%
Black or African American800.50%
Asian730.46%
American Indian and Alaska Native640.40%
Native Hawaiian and Other Pacific Islander30.02%

Madison County Population Pyramid

0k0k0k0k0k1k1k1k Male Population0k0k0k0k0k1k1k1k 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