Linn County, Iowa Population 2022

Linn County, Iowa's estimated population is 229,535 with a growth rate of 0.41% in the past year according to the most recent United States census data. Linn County, Iowa is the 3rd largest county in Iowa. The 2010 Population was 211,705 and has seen a growth of 8.42% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18401,3730.00%
18505,4444,071296.50%
186018,94713,503248.03%
187031,08012,13364.04%
188037,2376,15719.81%
189045,3038,06621.66%
190055,39210,08922.27%
191060,7205,3289.62%
192074,00413,28421.88%
193082,3368,33211.26%
194089,1426,8068.27%
1950104,27415,13216.98%
1960136,89932,62531.29%
1970163,21326,31419.22%
1980169,7756,5624.02%
1990168,767-1,008-0.59%
2010211,70542,93825.44%
2011214,2072,5021.18%
2012215,4851,2780.60%
2013216,4881,0030.47%
2014218,1291,6410.76%
2015220,2712,1420.98%
2016222,1881,9170.87%
2017224,3792,1910.99%
2018225,7631,3840.62%
2019226,7069430.42%
2020227,6499430.42%
2021228,5929430.41%
2022229,5359430.41%
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Linn County, Iowa Population Growth

Population by Race

Race Population Percentage
White197,38487.49%
Black or African American12,5955.58%
American Indian and Alaska Native4290.19%
Asian5,1142.27%
Native Hawaiian and Other Pacific Islander3520.16%
Some Other Race1,4290.63%
Two or More Races8,2983.68%
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Linn County, Iowa Population by Race

Linn County, Iowa Population Pyramid 2022

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Linn County, Iowa Median Age

37.7


Total

36.9


Male

38.8


Female

Linn County, Iowa Adults

There are 173,111 adults, (35,813 of whom are seniors) in Linn County, Iowa.

Linn County, Iowa Age Dependency

Age Dependency Ratio

26.1

Old Age Dependency Ratio

38.2

Child Dependency Ratio

Linn County, Iowa Sex Ratio

Female

114,489

50.75%

Male

111,112

49.25%

Linn County, Iowa Population by Age

Linn County, Iowa Renter vs Owner Occupied by Household Type

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Linn County, Iowa Household Types

Type Owner Renter
Married91.2%8.8%
All74.3%25.7%
Male66.3%33.7%
Non Family57.7%42.3%
Female56.6%43.4%

74.3%

Rate of Home Ownership

Linn County, Iowa Households and Families

Type Count Average Size Owned
All91,3042.4274.3
Married44,4113.0391.2
Male4,2363.2766.3
Female8,4403.3756.6
Non Family34,2171.2857.7

3.01

Average Family Size

2.42

Average Household Size

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Linn County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,3721.55%
9th to 12th Grade5,8593.84%
High School Graduate40,20726.35%
Some College32,45321.27%
Associates Degree19,67712.90%
Bachelors Degree35,95623.56%
Graduate Degree16,05910.52%
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Linn County, Iowa Educational Attainment by Sex (over 25)

Linn County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
Asian3,3853,0101,864
White135,790130,29147,390
2+ Races2,9552,524864
Other Race960705250
Hispanic3,6872,937812
Black6,4735,264993
Native American17917917
Islander127127

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 55.07%.

Linn County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$43,914$52,741$36,969
Less Than 9th Grade$26,438$30,142$18,341
High School Graduate$33,531$41,069$26,198
Some College$40,372$49,349$34,325
Bachelors Degree$55,383$72,106$44,782
Graduate Degree$78,968$95,520$64,296

$43,914

Average Earnings

$52,741

Average Male

$36,969

Average Female

Linn County, Iowa Earnings by Educational Attainment

Linn County, Iowa Language by Age

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Linn County, Iowa Language

94.18% of Linn County, Iowa residents speak only English, while 5.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.74% of the population.

Linn County, Iowa Language

Linn County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
Islander32313441.49%
Black12,0523,53429.32%
Multiple8,1201,84222.68%
Hispanic7,20896013.32%
Native420419.76%
White187,85613,8847.39%
Asian4,9411503.04%
Other488NaN%

9.39%

Overall Poverty Rate

8.58%

Male Poverty Rate

10.17%

Female Poverty Rate

Poverty in Linn County, Iowa

The race most likely to be in poverty in Linn County, Iowa is Islander, with 41.49% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 1.91%. Among those working part-time, it was 13.52%, and for those that did not work, the poverty rate was 16.45%.

Linn County, Iowa Poverty

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Name Poverty
Less Than 9th Grade26.24%
High School8.32%
Some College7.68%
Bachelors or Greater3.45%

Linn County, Iowa Poverty Rate by Education

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Rate Poverty
Male Employed4.05%
Male Unemployed26.59%
Female Employed5.75%
Female Unemployed39.13%

Linn County, Iowa Poverty Rate by Employment Status and Sex

Linn County, Iowa Income by Household Type

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Name Median Mean
Households$67,301$88,617
Families$87,195$108,302
Married Families$100,990$124,762
Non Families$41,164$52,920
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Income by Household Type

Linn County, Iowa Marital Status

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Marriage Rates

50.9%

Overall Marriage Rate

51.5%

Male Marriage Rate

50.4%

Female Marriage Rate

Linn County, Iowa Married by Age and Sex

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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 45-54.

Linn County, Iowa Marital Status by Race

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Linn County, Iowa Marital Status

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13,498

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,038
First Gulf War2,383
Vietnam4,686
Korea1,193
World War II566

Linn County, Iowa Veterans by War

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Age Group Veterans
18 to 341,073
35 to 543,084
55 to 642,272
65 to 743,716
75+3,353

Linn County, Iowa Veterans by Age

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Name Veterans % of Total
White12,8098.24%
Black3944.96%
Asian290.73%
Other Race121.09%
2+ Races2546.26%
Hispanic1964.18%

Linn County, Iowa Veterans by Race

Linn County, Iowa Veterans by Education

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5.09%

Veteran Poverty Rate

25.19%

Veteran Disability Rate

Linn County, Iowa Veterans by Education

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69.5%

Labor Force Participation

66.8%

Employment Rate

3.9%

Unemployment Rate

Linn County, Iowa Employment by Age

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Linn County, Iowa Employment by Race

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Linn County, Iowa Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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70.94%

Born in Linn County, Iowa

95.46%

Native Born

4.54%

Foreign Born

2.55%

Non Citizen

1.99%

Naturalized

Place of Birth

95.46% of Linn County, Iowa residents were born in the United States, with 70.94% having been born in Iowa. 2.55% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Linn County, Iowa Place of Birth

  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

Sources