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CITY · 2020 ACS

Johnston

Iowa · 24,064 residents · 19.49 sq mi
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The short version

Johnston is significantly wealthier than the US average, with a median household income of $92,984. The city has more than doubled in size since 2000, adding 15,415 residents. 53% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value is $272,500. Poverty is rare here, at 5.1% of residents. Households here earn about 50% more than the Iowa median.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 37.0
US median: 38.8
More educated
53% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
24,064
+178%since 2000
from 8,649 in 2000
1990 – 2025
Population density
1,235 / sq mi
+178%since 2000
from 444 / sq mi in 2000
US average: 280
Median age
37.0
+2%since 2000
from 36.3 in 2000
US average: 38.8
Population, 1990 – 2024
3K9K15K20K26K1990201020202024Johnston
202424K
1990201020202024
Section 02

Income & economy

Median household income
$92,984
−19%inflation adjusted, since 2000
from $76,094 in 2000
US average: $66,278
1990 – 2024
Per capita income
$49,775
+37%since 2000
from $36,407 in 2000
US average: $35,364
Households earning $100K+
63.7%
+5.3 ptssince 2009
from 58.3% in 2009
US average: 43.9%
Poverty rate
5.1%
+0.9 ptssince 2000
from 4.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services21.4%
US avg: 6.6%
Public administration19.1%
US avg: 4.7%
Information9.9%
US avg: 11.1%
Retail trade8.6%
US avg: 10%
Finance & insurance3.5%
US avg: 5.5%
Transportation & warehousing3.2%
US avg: 2.5%
Wholesale trade2.9%
US avg: 6.7%
Agriculture, forestry, fishing2.6%
US avg: 1.7%
Construction2.6%
US avg: 1.2%
Professional, scientific, technical2.2%
US avg: 4.7%
Arts, entertainment, food2.1%
US avg: 2%
Education & health services1.2%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$272,500
−3%inflation adjusted, since 2000
from $187,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,134
+4%inflation adjusted, since 2000
from $727 in 2000
US average: $1,124
Owner-occupied
66.8%
−7.2 ptssince 2000
from 74.0% in 2000
33.2% rent
Afford Score
2.9
+19%since 2000
from 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in Johnston on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.3%(8,246)
Black0.6%(50)
Hispanic / Latino1.5%(132)
Asian2%(171)
Other0%
Diversity Score10%(862)
2020
White, non-Hispanic80.6%(19,401)
Black5.8%(1,393)
Hispanic / Latino3.9%(934)
Asian6.3%(1,506)
Other2.1%(504)
Diversity Score40.3%(9,702)
Diversity Score
40
+304%since 2000
from 10 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
53.3%
+3.4 ptssince 2000
from 49.9% in 2000
US average: 32.9%
High school or higher
98.9%
+4.3 ptssince 2000
from 94.7% in 2000
US average: 88.5%
Graduate degree
19.1%
+3.9 ptssince 2000
from 15.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.7 min
+87%since 2000
from 10.5 min in 2000
US average: 26.9
Drive alone to work
84.4%
−1.7 ptssince 2009
from 86.1% in 2009
US average: 75.1%
No vehicle available
3.6%
−0.2 ptssince 2009
from 3.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.4%
−2.9 ptssince 2011
from 4.3% in 2011
US average: 5.4%
Labor force participation
75.1%
−0.8 ptssince 2011
from 75.9% in 2011
US average: 63.4%
Management & professional
57.8%
−14.3 ptssince 2009
from 72.1% in 2009
US average: 39.3%
Section 08

People & community

Male
47.9%
+0.2 ptssince 2009
from 47.7% in 2009
Female
52.1%
−0.2 ptssince 2009
from 52.3% in 2009
Foreign born
10.4%
+3.0 ptssince 2009
from 7.3% in 2009
US average: 13.5%
Uninsured
2.7%
−91.9 ptssince 2013
from 94.6% in 2013
US average: 8.8%
Drill deeper

Places similar to Johnston

Bloomingdale
Pop 23,827
Groveland
Pop 25,526
Middletown
Pop 25,798
Hunters Creek
Pop 22,819
Places similar to Johnston
Head to head

Compare Johnston to nearby cities

JOHNSTON VS
Grimes
Income$120,037+29%
Home value$304,700+12%
Population17,405−31%
SEE FULL COMPARISON →
JOHNSTON VS
Urbandale
Income$112,795+21%
Home value$335,500+23%
Population48,570+94%
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JOHNSTON VS
Clive
Income$132,121+42%
Home value$401,100+47%
Population19,861−21%
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JOHNSTON VS
Ankeny
Income$108,198+16%
Home value$331,000+21%
Population77,833+211%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnston, Iowa?

Johnston, Iowa has about 24,064 residents according to the 2020 American Community Survey.

What is the median household income in Johnston, Iowa?

The typical household in Johnston, Iowa earns about $92,984 a year. Half of households make more than that, and half make less.

Is Johnston, Iowa expensive?

In Johnston, Iowa, the median home is worth about $272,500, and the typical rent is about $1,134 a month.

How educated are people in Johnston, Iowa?

About 53.3% of adults age 25 and over in Johnston, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Johnston, Iowa?

About 5.1% of people in Johnston, Iowa live below the federal poverty line.

Has Johnston, Iowa grown since 1990?

Yes, Johnston, Iowa has grown since 1990. The population has added about 19,362 residents, a change of about 412 percent over that period.

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

How we source and harmonize this data →