Linn County, Iowa Population 2019

Linn County, Iowa's estimated population is 224,277 with a growth rate of 0.99% in the past year according to the most recent United States census data. Linn County, Iowa is the 2nd largest county in Iowa.

Year Population Growth Growth Rate
2018225,9091,6320.73%
2017224,2772,1960.99%
2016222,0811,8700.85%
2015220,2112,0860.96%
2014218,1251,6450.76%
2013216,4801,0180.47%
2012215,4621,2850.60%
2011214,1772,4801.17%
2010211,69742,93025.44%
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, Iowa Population Growth

Population Data via

Population by Race

Race Population
White195,466
Black or African American10,863
Two or More Races6,138
Asian4,991
Some Other Race2,074
American Indian and Alaska Native342
Native Hawaiian and Other Pacific Islander134

Linn County, Iowa Population Pyramid 2019

Linn County, Iowa Median Age

37.4


Total

36.4


Male

38.2


Female

Linn County, Iowa Adults

There are 167,857 adults, (32,450 of whom are seniors) in Linn County, Iowa.

Linn County, Iowa Age Dependency

62.5

Age Dependency Ratio

24

Old Age Dependency Ratio

38.5

Child Dependency Ratio

Linn County, Iowa Sex Ratio

Female

111,474

50.67%

Male

108,534

49.33%

Linn County, Iowa Households and Families

Linn County, Iowa Renter vs Owner Occupied by Household Type

Linn County, Iowa Household Types

Type Owner Renter
Married89.9%10.1%
All74.2%25.8%
Male70.5%29.5%
Non Family58.5%41.5%
Female54.2%45.8%

74.2%

Rate of Home Ownership

Type Count Average Size Owned
All89,0612.4274.2
Married44,2603.0389.9
Non Family32,8891.2958.5
Female8,2003.1754.2
Male3,7123.4370.5

3

Average Family Size

2.42

Average Household Size

7%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Linn County, Iowa Education

Education Attained Count Percentage
Less Than 9th Grade2,3811.62%
9th to 12th Grade5,4343.70%
High School Graduate40,02327.24%
Some College33,51822.81%
Associates Degree18,13912.35%
Bachelors Degree33,08922.52%
Graduate Degree14,3419.76%

Linn County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White133,142127,32843,314
Black5,6944,671877
Asian3,2323,0372,027
Hispanic3,1162,395715
Multiple Races1,5141,371401
Other Race1,200873297
Native American1431437
Islander464610

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 62.72%.

Name Average Male Female
Overall$41,214$50,255$33,845
Less Than High School$25,145$30,417$12,284
High School Grad$31,854$38,404$25,345
Some College$38,001$47,594$31,051
Bachelors Degree$52,215$66,376$42,436
Graduate Degree$73,118$85,526$63,011

$41,214

Average Earnings

$50,255

Average Male

$33,845

Average Female

Linn County, Iowa Language

Linn County, Iowa Language by Age

Linn County, Iowa Language

95.02% of Linn County, Iowa residents speak only English, while 4.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.75% of the population.

Linn County, Iowa Poverty

Linn County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White187,02514,7717.90%
Black10,4103,17830.53%
Multiple5,9621,35622.74%
Hispanic6,3711,00615.79%
Asian4,8552655.46%
Other2,06423711.48%
Native335164.78%

9.46%

Overall Poverty Rate

8.55%

Male Poverty Rate

10.34%

Female Poverty Rate

Poverty in Linn County, Iowa

The race most likely to be in poverty in Linn County, Iowa is Black, with 30.53% below the poverty level.

The race least likely to be in poverty in Linn County, Iowa is Native, with 4.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.32%. Among those working part-time, it was 15.36%, and for those that did not work, the poverty rate was 15.62%.

Name Poverty
Less Than High School25.43%
High School8.64%
Some College7.44%
Bachelors or Greater2.87%
Name Poverty
Female Unemployed38.28%
Male Unemployed23.45%
Female Employed6.97%
Male Employed4.26%

Linn County, Iowa Income

Linn County, Iowa Income by Household Type

Name Median Mean
Households$62,702$79,291
Families$81,032$96,170
Married Families$93,166$109,121
Non Families$36,371$47,896

Linn County, Iowa Marital Status

Linn County, Iowa Marital Status

Marriage Rates

51.8%

Overall Marriage Rate

52.7%

Male Marriage Rate

51.0%

Female Marriage Rate

Linn County, Iowa Married by Age and Sex

Linn County, Iowa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Linn County, Iowa Marital Status by Race

Linn County, Iowa Veterans

14,311

Number of Veterans

13,268

Male Veterans

1,043

Female Veterans

War Veterans
Vietnam5,147
First Gulf War2,675
Second Gulf War2,058
Korea1,441
World War II815
Age Group Veterans
65 to 743,742
35 to 543,484
75+3,280
55 to 642,705
18 to 341,100

Linn County, Iowa Veterans by Race

Name Veterans % of Total
White13,9529.15%
Black3024.29%
Hispanic1814.37%
2 or More351.40%
Asian220.58%

Linn County, Iowa Veterans by Education

4.89%

Veteran Poverty Rate

24.47%

Veteran Disability Rate

Linn County, Iowa Employment Status

70.3%

Labor Force Participation

67.6%

Employment Rate

3.8%

Unemployment Rate

Population of Cities in Linn County, Iowa

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%
Walford 1458145910.07%
Central City12611276151.19%
Springville10721135635.88%
Palo944107713314.09%
Walker789786-3-0.38%
Alburnett673699263.86%
Coggon670667-3-0.45%
Bertram29029551.72%
Prairieburg17818131.69%
  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