Delaware County Population 2017

Delaware County's estimated population is 17,327 with a growth rate of -0.45% in the past year according to the most recent United States census data. Delaware County is the 41st largest county in Iowa.

Year Population Growth Growth Rate
201617,327-79-0.45%
201517,406-7-0.04%
201417,413-86-0.49%
201317,499-79-0.45%
201217,578-74-0.42%
201117,652-117-0.66%
201017,769-266-1.47%
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
White17,11798.79%
Two or More Races1290.74%
Black or African American690.40%
Asian560.32%
American Indian and Alaska Native280.16%
Native Hawaiian and Other Pacific Islander70.04%

Delaware County Population Pyramid

0k0k0k1k1kDelaware County Male Population0k0k0k1k1kDelaware County Female Population

Population of Cities in Delaware County

City 2010 Census 2016 Estimated Growth Growth Rate
Manchester51805053-127-2.45%
Earlville812787-25-3.08%
Hopkinton628610-18-2.87%
Delhi460471112.39%
Colesburg404396-8-1.98%
Ryan361356-5-1.39%
Greeley256250-6-2.34%
Dundee174170-4-2.30%
Delaware159155-4-2.52%
Masonville127124-3-2.36%
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