Linn County Population 2017

Linn County's estimated population is 221,661 with a growth rate of 0.85% in the past year according to the most recent United States census data. Linn County is the 2nd largest county in Iowa.

Year Population Growth Growth Rate
2016221,6611,8690.85%
2015219,7922,1961.01%
2014217,5961,5190.70%
2013216,0778220.38%
2012215,2551,2330.58%
2011214,0222,3401.11%
2010211,68242,91525.43%
1990168,767-1,008-0.59%
1980169,7756,5624.02%
1970163,21326,31419.22%
1960136,89932,62531.29%
1950104,27415,13216.98%
194089,1426,8068.27%
193082,3368,33211.26%
192074,00413,28421.88%
191060,7205,3289.62%
190055,39210,08922.27%
189045,3038,06621.66%
188037,2376,15719.81%
187031,08012,13364.04%
186018,94713,503248.03%
18505,4444,071296.50%
18401,3730.00%

Linn County Population Growth

Population Data via

Linn County Race Data

Race Population Percentage
White197,67189.18%
Black or African American10,6924.82%
Two or More Races5,3352.41%
Asian5,2102.35%
American Indian and Alaska Native6580.30%
Native Hawaiian and Other Pacific Islander2260.10%

Linn County Population Pyramid

0k2k4k6k8kLinn County Male Population0k2k4k6k8kLinn County Female Population

Population of Cities in Linn County

City 2010 Census 2016 Estimated Growth Growth Rate
Cedar Rapids12644113112746863.71%
Marion351413848033399.50%
Hiawatha702072121922.74%
Mount Vernon44934444-49-1.09%
Robins3173353536211.41%
Fairfax2127256343620.50%
Center Point242425241004.13%
Lisbon21472208612.84%
Ely1781215036920.72%
Central City12611276151.19%
Springville10721135635.88%
Palo944107713314.09%
Walker789786-3-0.38%
Alburnett673699263.86%
Coggon670667-3-0.45%
Prairieburg17818131.69%
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