Delaware County Population 2018

Delaware County's estimated population is 17,153 with a growth rate of -0.67% in the past year according to the most recent United States census data. Delaware County is the 42nd largest county in Iowa.

Year Population Growth Growth Rate
201717,153-116-0.67%
201617,269-102-0.59%
201517,371-3-0.02%
201417,374-87-0.50%
201317,461-102-0.58%
201217,563-61-0.35%
201117,624-133-0.75%
201017,757-278-1.54%
199018,035-898-4.74%
198018,9331630.87%
197018,7702871.55%
196018,4837494.22%
195017,734-753-4.07%
194018,4873652.01%
193018,122-61-0.34%
192018,1832951.65%
191017,888-1,297-6.76%
190019,1851,83610.58%
189017,349-601-3.35%
188017,9505182.97%
187017,4326,40858.13%
186011,0249,265526.72%
18501,7591,591947.02%
18401680.00%

Delaware County Population Growth

Population Data via

Delaware County Race Data

Race Population Percentage
White17,11799.79%
Two or More Races1290.75%
Black or African American690.40%
Asian560.33%
American Indian and Alaska Native280.16%
Native Hawaiian and Other Pacific Islander70.04%

Delaware 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