Plymouth County Population 2017

Plymouth County's estimated population is 25,200 with a growth rate of 1.15% in the past year according to the most recent United States census data. Plymouth County is the 25th largest county in Iowa.

Year Population Growth Growth Rate
201625,2002871.15%
201524,9130.00%
201424,913-32-0.13%
201324,945570.23%
201224,888570.23%
201124,831-137-0.55%
201024,9681,5806.76%
199023,388-1,355-5.48%
198024,7434311.77%
197024,3124061.70%
196023,9066542.81%
195023,252-250-1.06%
194023,502-657-2.72%
193024,1595752.44%
192023,5844551.97%
191023,1299204.14%
190022,2092,64113.50%
189019,56811,002128.44%
18808,5666,367289.54%
18702,1992,0511385.81%
18601480.00%

Plymouth County Population Growth

Population Data via

Plymouth County Race Data

Race Population Percentage
White24,10495.65%
Two or More Races2771.10%
Black or African American1810.72%
Asian1700.67%
American Indian and Alaska Native1340.53%
Native Hawaiian and Other Pacific Islander470.19%

Plymouth County Population Pyramid

0k0k0k1k1k1kPlymouth County Male Population0k0k0k1k1k1kPlymouth County Female Population

Population of Cities in Plymouth County

City 2010 Census 2016 Estimated Growth Growth Rate
Le Mars982699351091.11%
Remsen16631650-13-0.78%
Akron14861465-21-1.41%
Kingsley14111427161.13%
Hinton95395520.21%
Merrill755741-14-1.85%
Brunsville151150-1-0.66%
Westfield132131-1-0.76%
Oyens103102-1-0.97%
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