Linn County, Iowa Population 2018

Linn County, Iowa's estimated population is 224,115 with a growth rate of 2.77% 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
2017224,1156,0392.77%
2016218,076-3,824-1.72%
2016221,9001,9290.88%
2015219,9712,1500.99%
2014217,8211,5860.73%
2013216,2359230.43%
2012215,3121,3290.62%
2011213,9832,3261.10%
2010211,65742,89025.41%
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
White195,251
Black or African American10,174
Two or More Races5,871
Asian4,667
Some Other Race1,637
American Indian and Alaska Native416
Native Hawaiian and Other Pacific Islander60

Race Data via US Census (2016 ACS 5-Year Survey)

Linn County, Iowa Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Linn County, Iowa Median Age

37.2


Total

36.1


Male

38.1


Female

Linn County, Iowa Adults

There are 165,956 adults, (31,185 of which are seniors) in Linn County, Iowa.

Linn County, Iowa Age Dependency

61.7

Age Dependency Ratio

23.1

Old Age Dependency Ratio

38.6

Child Dependency Ratio

Linn County, Iowa Sex Ratio

Female

110,349

50.60%

Male

107,727

49.40%

Linn County, Iowa Households and Families

Linn County, Iowa Renter vs Owner Occupied by Household Type

Linn County, Iowa Household Types

Type Owner Renter
Married89.8%10.2%
All73.5%26.5%
Male67.8%32.2%
Non Family56.5%43.5%
Female55.9%44.1%

73.5%

Rate of Home Ownership

Linn County, Iowa Households by Type

Type Count Average Size Owned
All88,0062.4273.5
Married43,8053.0489.8
Non Family32,7791.2956.5
Female7,9043.1955.9
Male3,5183.5467.8

3.02

Average Family Size

2.42

Average Household Size

7.2%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Linn County, Iowa Households

Linn County, Iowa Education

Linn County, Iowa Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade2,3011.59%
9th to 12th Grade5,4913.78%
High School Graduate39,51927.23%
Some College33,41323.02%
Associates Degree17,62412.14%
Bachelors Degree31,99522.05%
Graduate Degree14,77810.18%

Linn County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White132,489126,37442,708
Black5,1404,222830
Asian3,0142,9022,012
Hispanic2,9522,423715
Multiple Races1,3751,261486
Other Race807521241
Native American2622158
Islander414111

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

The highest rate of bachelors degrees is among islander people with a rate of 66.76%.

Linn County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$40,748$49,356$32,370
Less Than High School$25,135$30,833$12,282
High School Grad$31,026$36,958$25,216
Some College$37,115$46,340$30,453
Bachelors Degree$51,665$66,073$41,471
Graduate Degree$69,986$83,876$59,619

$40,748

Average Earnings

$49,356

Average Male

$32,370

Average Female

Linn County, Iowa Language

Linn County, Iowa Language by Age

Linn County, Iowa Language

95.50% of Linn County, Iowa residents speak only English, while 4.50% speak other languages. The largest non-English language is Spanish, which is spoken by 1.73% of the population.

Linn County, Iowa Poverty

Linn County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White187,00314,6627.84%
Black9,6622,85929.59%
Hispanic6,0921,30921.49%
Multiple5,7101,19220.88%
Other1,62733720.71%
Asian4,5841864.06%
Native4034611.41%

9.37%

Overall Poverty Rate

8.44%

Male Poverty Rate

10.28%

Female Poverty Rate

Poverty in Linn County, Iowa

The race most likely to be in poverty in Linn County, Iowa is Black, with 29.59% below the poverty level.

The race least likely to be in poverty in Linn County, Iowa is Asian, with 4.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.25%. Among those working part-time, it was 15.96%, and for those that did not work, the poverty rate was 15.70%.

Linn County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School23.76%
High School9.87%
Some College7.19%
Bachelors or Greater2.69%

Linn County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed37.83%
Male Unemployed22.47%
Female Employed7.35%
Male Employed4.52%

Linn County, Iowa Income

Linn County, Iowa Income by Household Type

Name Median Mean
Households$60,989$77,206
Families$79,689$94,264
Married Families$90,763$106,383
Non Families$34,240$45,828

Linn County, Iowa Marital Status

Linn County, Iowa Marital Status

Marriage Rates

51.8%

Overall Marriage Rate

53.1%

Male Marriage Rate

50.6%

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 Over65, while the female age group most likely to be married is 35To44.

Linn County, Iowa Marital Status by Race

Linn County, Iowa Veterans

Linn County, Iowa Veterans by War

14,818

Number of Veterans

13,830

Male Veterans

988

Female Veterans

Name Veterans
Vietnam5,357
First Gulf War2,474
Second Gulf War2,026
Korea1,517
World War II938

Linn County, Iowa Veterans by Age

Name Veterans
65 to 743,660
35 to 543,629
75+3,367
55 to 642,972
18 to 341,190

Linn County, Iowa Veterans by Race

Name Veterans % of Total
White14,5099.54%
Black1943.05%
Hispanic1794.52%
2 or More803.38%
Asian350.99%

Linn County, Iowa Veterans by Education

5.01%

Veteran Poverty Rate

22.60%

Veteran Disability Rate

Linn County, Iowa Employment Status

Linn County, Iowa Employment by Age

70.4%

Labor Force Participation

67.4%

Employment Rate

4.2%

Unemployment Rate

Linn County, Iowa Employment by Race

Linn County, Iowa Employment by Education

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%
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