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COUNTY

Linn County

Iowa · 232,028 residents (2025 est.) · 717.01 sq mi
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The short version

Linn County has roughly average household income, with a median household income of $77,649. Population has grown 20% since 2000. Median home value has more than doubled since 2000, reaching $214,300. It sits in the top 10% of US counties for household income.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 39.0
US median: 38.9
Average education
35% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
230,004
+20%since 2000
from 191,701 in 2000
1990 – 2025
Population density
321 / sq mi
+12%since 2009
from 286 / sq mi in 2009
US average: 281
Median age
39.0
+11%since 2000
from 35.2 in 2000
US average: 38.9

PEP 2025 EST:232,028 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
163K181K200K218K236K1990201020202024Linn County
2024230K
1990201020202024
Age distribution, 2024
Under 55.8%(13,455)
US avg: 5.6%
5 to 95.8%(13,305)
US avg: 6%
10 to 146.9%(15,787)
US avg: 6.4%
15 to 196.5%(15,022)
US avg: 6.6%
20 to 246.5%(14,901)
US avg: 6.5%
25 to 3413.2%(30,437)
US avg: 13.7%
35 to 4413.4%(30,818)
US avg: 13.2%
45 to 5412%(27,680)
US avg: 12.2%
55 to 6412.5%(28,797)
US avg: 12.7%
65 to 7410%(23,071)
US avg: 10.2%
75 to 845.2%(11,994)
US avg: 5.1%
85 and over2.1%(4,737)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$77,649
−8%inflation adjusted, since 2000
from $46,206 in 2000
US average: $82,259
1990 – 2024
Per capita income
$43,820
+91%since 2000
from $22,977 in 2000
US average: $44,673
Households earning $100K+
51.7%
+19.8 ptssince 2009
from 31.9% in 2009
US average: 53.3%
Poverty rate
9.4%
+2.9 ptssince 2000
from 6.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.447
+6%since 2010
from 0.423 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade17.2%
US avg: 9.9%
Information11.3%
US avg: 10.8%
Other services8.3%
US avg: 6.7%
Public administration7%
US avg: 4.8%
Wholesale trade6.9%
US avg: 6.9%
Finance & insurance5.1%
US avg: 5.9%
Professional, scientific, technical4.3%
US avg: 5.1%
Transportation & warehousing1.9%
US avg: 2.2%
Arts, entertainment, food1.9%
US avg: 1.9%
Agriculture, forestry, fishing1.1%
US avg: 1.6%
Construction0.9%
US avg: 1.2%
Education & health services0.8%
US avg: 0.9%
Manufacturing0.2%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$214,300
+21%inflation adjusted, since 2000
from $97,200 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$945
+2%inflation adjusted, since 2000
from $510 in 2000
US average: $1,442
Owner-occupied
73.5%
+0.8 ptssince 2000
from 72.7% in 2000
26.5% rent
Vacancy rate
7.3%
+0.6 ptssince 2009
from 6.6% in 2009
US average: 10.0%
Owner cost-burdened
17.7%
−2.3 ptssince 2009
from 20.0% in 2009
US average: 22.9%
Renter cost-burdened
42.6%
+3.9 ptssince 2009
from 38.7% in 2009
US average: 47.4%
Afford Score
2.8
+10%since 2009
from 2.5 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
33
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Linn County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.1%(178,449)
Black2.5%(4,857)
Hispanic / Latino1.4%(2,722)
Asian1.4%(2,614)
Other0%
2024
White, non-Hispanic82.4%(189,409)
Black5.9%(13,514)
Hispanic / Latino4.1%(9,482)
Asian2.4%(5,489)
Other5.3%(12,110)
Diversity Score
39
+74%since 2009
from 23 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
31
−4%since 2020
from 32 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican2.9%(6,674)
Puerto Rican0.3%(789)
Guatemalan0.2%(433)
Salvadoran0.1%(147)
Honduran0.1%(146)
Dominican0.1%(142)
Spaniard0.1%(126)
Cuban0.1%(124)
Colombian0%(92)
+ 7 more hispanic origin groups with data
Asian origin
Asian Indian1%(2,187)
Chinese0.2%(545)
Filipino0.2%(475)
Burmese0.2%(379)
Vietnamese0.2%(356)
Korean0.2%(350)
Laotian0.1%(289)
Pakistani0.1%(246)
Nepalese0.1%(237)
Thai0%(91)
+ 6 more asian origin groups with data
Japanese0%(57)
Cambodian0%(28)
Malaysian0%(20)
Hmong0%(19)
Taiwanese0%(17)
Pacific Islander origin
Guamanian0%(10)
Samoan0%(9)
Ancestry
German30.3%(69,592)
Irish14%(32,213)
English11.5%(26,347)
Czech4.6%(10,493)
Norwegian4.1%(9,354)
American3.8%(8,698)
Swedish1.9%(4,368)
French1.9%(4,343)
Dutch1.7%(4,024)
Scottish1.7%(3,928)
Italian1.6%(3,741)
+ 46 more ancestry groups with data
Polish1.2%(2,725)
Danish0.9%(2,090)
Scotch-Irish0.8%(1,931)
Arab0.8%(1,806)
Welsh0.6%(1,275)
Lebanese0.5%(1,177)
Swiss0.5%(1,070)
British0.5%(1,042)
Belgian0.3%(603)
Russian0.2%(524)
Nigerian0.2%(479)
West Indian0.2%(466)
Austrian0.2%(442)
Jamaican0.1%(329)
Lithuanian0.1%(272)
Hungarian0.1%(261)
Slovak0.1%(250)
Ukrainian0.1%(213)
Kenyan0.1%(212)
Greek0.1%(204)
Ghanaian0.1%(179)
Finnish0.1%(161)
Canadian0.1%(158)
Slovene0.1%(154)
Croatian0.1%(150)
Portuguese0.1%(127)
Macedonian0%(105)
Serbian0%(99)
Armenian0%(92)
Syrian0%(84)
Haitian0%(80)
Iranian0%(79)
Brazilian0%(52)
Turkish0%(46)
Jordanian0%(39)
Latvian0%(31)
Romanian0%(30)
Egyptian0%(24)
Bulgarian0%(22)
Israeli0%(16)
Ethiopian0%(12)
Somali0%(8)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Czech population · Largest Norwegian population
Section 05

Education

Bachelor's degree or higher
34.7%
+7.0 ptssince 2000
from 27.7% in 2000
US average: 35.6%
High school or higher
95.2%
+4.6 ptssince 2000
from 90.6% in 2000
US average: 89.6%
Graduate degree
11.4%
+4.2 ptssince 2000
from 7.2% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
19.3 min
+75%since 2000
from 11.0 min in 2000
US average: 26.5
Drive alone to work
75.6%
−7.6 ptssince 2009
from 83.2% in 2009
US average: 68.9%
Carpooled to work
6.3%
−2.3 ptssince 2009
from 8.6% in 2009
US average: 8.5%
Public transit
0.6%
−0.2 ptssince 2009
from 0.8% in 2009
US average: 3.2%
Worked from home
14.7%
+11.8 ptssince 2009
from 3.0% in 2009
US average: 15.0%
Walked to work
1.8%
−1.4 ptssince 2009
from 3.2% in 2009
US average: 2.4%
Biked to work
0.2%
−0.2 ptssince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
4.9%
−0.9 ptssince 2009
from 5.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.5%
−1.5 ptssince 2011
from 5.0% in 2011
US average: 5.2%
Labor force participation
67.7%
−3.6 ptssince 2011
from 71.4% in 2011
US average: 63.5%
Self-employed
11.3%
+1.0 ptssince 2009
from 10.4% in 2009
US average: 13.1%
Management & professional
41.3%
−24.8 ptssince 2009
from 66.2% in 2009
US average: 42.5%
Section 08

People & community

Male
49.3%
+0.2 ptssince 2009
from 49.1% in 2009
Female
50.7%
−0.2 ptssince 2009
from 50.9% in 2009
Foreign born
5.6%
+2.8 ptssince 2009
from 2.8% in 2009
US average: 14.1%
Veterans
7.4%
−41.0 ptssince 2009
from 48.5% in 2009
US average: 6.2%
With a disability
11.9%
+1.2 ptssince 2012
from 10.7% in 2012
US average: 13.3%
Uninsured
4.1%
−88.3 ptssince 2013
from 92.4% in 2013
US average: 8.4%
Broadband at home
91.6%
+10.8 ptssince 2017
from 80.8% in 2017
US average: 91.0%
English only at home
92.9%
−2.6 ptssince 2016
from 95.5% in 2016
US average: 77.7%
Spanish at home
2.2%
+0.5 ptssince 2016
from 1.7% in 2016
US average: 13.6%
Marital status
Men 15+
Never married35.1%(32,237)
Married53.4%(49,010)
Widowed2.2%(2,013)
Divorced9.4%(8,604)
Women 15+
Never married29.4%(28,087)
Married49.6%(47,460)
Widowed7.7%(7,315)
Divorced13.3%(12,731)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Linn County

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Pop 226,568
Hawaii County
Pop 210,043
Jefferson County
Pop 233,132
Okaloosa County
Pop 221,810
Places similar to Linn County
Head to head

Compare Linn County to nearby counties

LINN COUNTY VS
Benton County
Income$86,962+12%
Home value$208,200−3%
Population26,004−89%
SEE FULL COMPARISON →
LINN COUNTY VS
Jones County
Income$73,531−5%
Home value$184,800−14%
Population21,253−91%
SEE FULL COMPARISON →
LINN COUNTY VS
Johnson County
Income$74,935−3%
Home value$308,600+44%
Population160,044−31%
SEE FULL COMPARISON →
LINN COUNTY VS
Delaware County
Income$74,989−3%
Home value$177,900−17%
Population17,674−92%
SEE FULL COMPARISON →
Frequently asked

How many people live in Linn County, Iowa?

Linn County, Iowa has about 230,004 residents according to the 2024 American Community Survey.

What is the median household income in Linn County, Iowa?

The typical household in Linn County, Iowa earns about $77,649 a year. Half of households make more than that, and half make less.

Is Linn County, Iowa expensive?

In Linn County, Iowa, the median home is worth about $214,300, and the typical rent is about $945 a month.

How educated are people in Linn County, Iowa?

About 34.7% of adults age 25 and over in Linn County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Linn County, Iowa?

About 9.4% of people in Linn County, Iowa live below the federal poverty line.

Has Linn County, Iowa grown since 1990?

Yes, Linn County, Iowa has grown since 1990. The population has added about 61,237 residents, a change of about 36 percent over that period.

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22 ZIP codes
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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