Iowa County Population 2017

Iowa County's estimated population is 16,311 with a growth rate of -0.43% in the past year according to the most recent United States census data. Iowa County is the 47th largest county in Iowa.

Year Population Growth Growth Rate
201616,311-70-0.43%
201516,38130.02%
201416,378340.21%
201316,3441260.78%
201216,218-134-0.82%
201116,352140.09%
201016,3381,70811.67%
199014,630-799-5.18%
198015,429100.06%
197015,419-977-5.96%
196016,3965613.54%
195015,835-1,181-6.94%
194017,016-316-1.82%
193017,332-1,268-6.82%
192018,6001911.04%
191018,409-1,135-5.81%
190019,5441,2746.97%
189018,270-951-4.95%
188019,2212,57715.48%
187016,6448,615107.30%
18608,0297,207876.76%
18508220.00%

Iowa County Population Growth

Population Data via

Iowa County Race Data

Race Population Percentage
White16,00698.13%
Two or More Races1641.01%
Black or African American1000.61%
Asian670.41%
American Indian and Alaska Native410.25%
Native Hawaiian and Other Pacific Islander30.02%

Iowa County Population Pyramid

0k0k0k1k1kIowa County Male Population0k0k0k1k1kIowa County Female Population

Population of Cities in Iowa County

City 2010 Census 2016 Estimated Growth Growth Rate
Williamsburg306831791113.62%
Marengo25282491-37-1.46%
North English10411022-19-1.83%
Victor893881-12-1.34%
Ladora283281-2-0.71%
Parnell1932364322.28%
Millersburg159158-1-0.63%
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