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COUNTY · 2020 ACS

Johnson County

Iowa · 152,854 residents · 613 sq mi
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The short version

With 152,854 people, Johnson County is a county in Iowa. 54% of adults hold a bachelor's degree, against 33% nationally. The median age is 31.2, younger than the US median of 38.8. Growth has run 38% since 2000, or 41,848 more people. 76% were living in the same home a year earlier. The average commute runs 19 minutes.

At a glance
Average income
near the US median
US median: $66,278
Younger
median age 31.2
US median: 38.8
More educated
54% hold a bachelor's degree
US average: 33%
Less affordable
home values up 28%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
152,854
+38%since 2000
from 111,006 in 2000
1990 – 2025
Median age
31.2
+10%since 2000
from 28.4 in 2000
US average: 38.8
Land area
613 sq mi
Population, 1990 – 2024
90K108K126K145K163K19902000201020202024Johnson County
2024157K
1990201020202024
Age distribution, 2020
Under 55.7%(8,638)
US avg: 5.6%
5 to 95.8%(8,816)
US avg: 6.1%
10 to 145.5%(8,439)
US avg: 6.5%
15 to 196.8%(10,441)
US avg: 6.6%
20 to 2415.4%(23,496)
US avg: 6.7%
25 to 3416.2%(24,799)
US avg: 13.5%
35 to 4412.4%(18,953)
US avg: 12.7%
45 to 549.7%(14,890)
US avg: 12.3%
55 to 649.8%(15,053)
US avg: 13.1%
65 to 747.9%(12,144)
US avg: 10%
75 to 843.4%(5,165)
US avg: 4.9%
85 and over1.3%(2,020)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$63,062
+5%inflation adjusted, since 2000
from $40,060 in 2000
US average: $66,278
1990 – 2024
Per capita income
$35,875
+61%since 2000
from $22,220 in 2000
US average: $35,364
Households earning $100K+
42.9%
+11.1 ptssince 2009
from 31.8% in 2009
US average: 43.9%
Poverty rate
17.2%
+2.2 ptssince 2000
from 15.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Information10.7%
US avg: 11.1%
Retail trade8.6%
US avg: 10%
Other services4.7%
US avg: 6.6%
Wholesale trade4.2%
US avg: 6.7%
Public administration3.7%
US avg: 4.7%
Finance & insurance3.2%
US avg: 5.5%
Professional, scientific, technical2.5%
US avg: 4.7%
Transportation & warehousing1.7%
US avg: 2.5%
Arts, entertainment, food1.5%
US avg: 2%
Agriculture, forestry, fishing1.2%
US avg: 1.7%
Construction1.2%
US avg: 1.2%
Education & health services0.8%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$238,600
+28%inflation adjusted, since 2000
from $123,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$984
+16%inflation adjusted, since 2000
from $564 in 2000
US average: $1,124
Owner-occupied
57.0%
+0.4 ptssince 2000
from 56.6% in 2000
43.0% rent
Persons per household
2.37 people
+3%since 2009
from 2.31 people in 2009
US average: 2.61
Afford Score
3.8
+8%since 2009
from 3.5 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic88.8%(98,619)
Black2.8%(3,148)
Hispanic / Latino2.5%(2,781)
Asian4.1%(4,557)
Other0%
2020
White, non-Hispanic74.9%(114,491)
Black8.3%(12,643)
Hispanic / Latino6.7%(10,198)
Asian5.6%(8,555)
Other3%(4,522)
Segregation Score
27
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
Mexican3.1%(4,645)
Honduran0.5%(707)
Puerto Rican0.4%(662)
Colombian0.3%(493)
Salvadoran0.2%(342)
Guatemalan0.2%(258)
Spaniard0.1%(214)
Cuban0.1%(209)
Bolivian0.1%(104)
Nicaraguan0.1%(93)
+ 10 more hispanic origin groups with data
Asian origin
Chinese1.9%(2,816)
Asian Indian1.5%(2,242)
Korean0.9%(1,387)
Vietnamese0.7%(997)
Filipino0.3%(500)
Japanese0.2%(269)
Thai0.1%(194)
Laotian0.1%(159)
Nepalese0.1%(119)
Pakistani0.1%(117)
Bangladeshi0.1%(103)
Taiwanese0.1%(78)
+ 4 more asian origin groups with data
Pacific Islander origin
Chamorro0%(21)
Ancestry
German28.1%(42,407)
Irish13.2%(19,942)
English9.6%(14,543)
Norwegian4.5%(6,852)
American3.6%(5,493)
Czech3.6%(5,383)
Italian3.2%(4,843)
Swedish2.7%(4,138)
Dutch2.2%(3,257)
Polish2.1%(3,119)
Scottish2%(2,992)
+ 44 more ancestry groups with data
French1.8%(2,744)
Danish1.4%(2,070)
Scotch-Irish0.9%(1,395)
Swiss0.9%(1,382)
Welsh0.8%(1,208)
Russian0.8%(1,168)
British0.7%(1,058)
Hungarian0.3%(465)
Greek0.3%(449)
Lithuanian0.3%(398)
Nigerian0.3%(394)
Belgian0.2%(376)
Portuguese0.2%(245)
Finnish0.1%(220)
Iranian0.1%(219)
Lebanese0.1%(213)
West Indian0.1%(209)
Ukrainian0.1%(195)
Austrian0.1%(194)
Canadian0.1%(158)
Syrian0.1%(149)
Iraqi0.1%(130)
Slovak0.1%(130)
Croatian0.1%(128)
Arab0.1%(120)
Moroccan0.1%(119)
Brazilian0.1%(96)
Slovene0.1%(96)
Jamaican0.1%(94)
Armenian0.1%(78)
Australian0.1%(78)
Israeli0.1%(77)
Serbian0%(58)
Turkish0%(57)
Egyptian0%(41)
Haitian0%(27)
Romanian0%(24)
Ethiopian0%(23)
Ghanaian0%(23)
Section 05

Education

Bachelor's degree or higher
54.3%
+6.7 ptssince 2000
from 47.6% in 2000
US average: 32.9%
High school or higher
95.7%
+2.1 ptssince 2000
from 93.7% in 2000
US average: 88.5%
Graduate degree
25.2%
+3.8 ptssince 2000
from 21.4% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.4 min
+77%since 2000
from 11.0 min in 2000
US average: 26.9
Drive alone to work
69.0%
+1.5 ptssince 2009
from 67.5% in 2009
US average: 75.1%
No vehicle available
7.0%
+0.6 ptssince 2009
from 6.4% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.7%
−0.8 ptssince 2011
from 4.5% in 2011
US average: 5.4%
Labor force participation
70.1%
−2.5 ptssince 2011
from 72.6% in 2011
US average: 63.4%
Women 20-64 in the labor force
79.7%
US average: 73.3%
Management & professional
48.9%
+4.9 ptssince 2009
from 43.9% in 2009
US average: 39.3%
Section 08

People & community

Male
49.6%
+0.4 ptssince 2009
from 49.2% in 2009
Female
50.4%
−0.4 ptssince 2009
from 50.8% in 2009
Foreign born
11.6%
+4.8 ptssince 2009
from 6.7% in 2009
US average: 13.5%
Uninsured
5.0%
−2.6 ptssince 2013
from 7.6% in 2013
US average: 8.8%
Computer in household
95.5%
US average: 91.9%
Same house as last year
75.7%
US average: 86.2%
Marital status (2024)
Men 15+
Never married47.9%(31,002)
Married45.3%(29,307)
Widowed1.9%(1,208)
Divorced5%(3,231)
Women 15+
Never married43.3%(28,907)
Married42.4%(28,306)
Widowed4.9%(3,300)
Divorced9.3%(6,186)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.0%
−2.6 ptssince 2013
from 7.6% in 2013
US average: 8.8%
Employer-based
67.4%
US average: 55.4%
Direct-purchase
17.7%
US average: 13.7%
Medicare
12.1%
US average: 17.6%
Medicaid
12.8%
US average: 20.0%
VA health care
1.4%
US average: 2.3%
Any private
81.7%
US average: 68.1%
Any public
24.3%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)22.7%(1,134)
US avg: 20.6%
Gulf War (1990s)21.6%(1,082)
US avg: 21.4%
Vietnam era29.9%(1,498)
US avg: 35.2%
Korean War12%(600)
US avg: 7.6%
World War II1.8%(89)
US avg: 2.9%

Share of the 5,006 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Johnson County

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Pop 162,845
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Places similar to Johnson County
Head to head

Compare Johnson County to nearby counties

JOHNSON COUNTY VS
Iowa County
Income$71,223+13%
Home value$193,900−19%
Population16,504−90%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Washington County
Income$75,647+20%
Home value$203,900−15%
Population22,667−86%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Cedar County
Income$80,602+28%
Home value$211,300−11%
Population18,359−89%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Muscatine County
Income$69,396+10%
Home value$182,100−24%
Population41,853−74%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnson County, Iowa?

Johnson County, Iowa has about 152,854 residents according to the 2020 American Community Survey.

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

The typical household in Johnson County, Iowa earns about $63,062 a year. Half of households make more than that, and half make less.

Is Johnson County, Iowa expensive?

In Johnson County, Iowa, the median home is worth about $238,600, and the typical rent is about $984 a month.

How educated are people in Johnson County, Iowa?

About 54.3% of adults age 25 and over in Johnson County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Johnson County, Iowa?

About 17.2% of people in Johnson County, Iowa live below the federal poverty line.

Has Johnson County, Iowa grown since 1990?

Yes, Johnson County, Iowa has grown since 1990. The population has added about 56,735 residents, a change of about 59 percent over that period.

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

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