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CITY · 2000 CENSUS

Johnston

Iowa · 8,649 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 $76,094. The city has grown rapidly, with population up 84% since 1990. 50% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has more than doubled since 1990, reaching $187,400. Poverty is rare here, at 4.1% of residents. Households here earn about 93% more than the Iowa median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.3
US median: 35.2
More educated
50% hold a bachelor's degree
US average: 24%
Less affordable
home values up 48%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
8,649
+84%since 1990
from 4,702 in 1990
1990 – 2025
Median age
36.3
+3%since 1990
from 35.1 in 1990
US average: 35.2
Population, 1990 – 2024
3K9K15K20K26K1990201020202024Johnston
202424K
1990201020202024
Age distribution, 2000
Under 57.1%(612)
US avg: 6.8%
5 to 98.7%(752)
US avg: 7.3%
10 to 148.3%(721)
US avg: 7.3%
15 to 197.4%(642)
US avg: 7.2%
20 to 243.4%(293)
US avg: 6.7%
25 to 3412.5%(1,081)
US avg: 14.2%
35 to 4419.1%(1,654)
US avg: 16%
45 to 5415.6%(1,348)
US avg: 13.4%
55 to 647%(604)
US avg: 8.6%
65 to 745.1%(438)
US avg: 6.5%
75 to 843.7%(318)
US avg: 4.4%
85 and over2.2%(186)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$76,094
+34%inflation adjusted, since 1990
from $43,036 in 1990
US average: $42,589
1990 – 2024
Per capita income
$36,407
+85%since 1990
from $19,685 in 1990
US average: $21,522
Poverty rate
4.1%
−1.3 ptssince 1990
from 5.4% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$187,400
+48%inflation adjusted, since 1990
from $96,000 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$727
−4%inflation adjusted, since 1990
from $573 in 1990
US average: $602
Owner-occupied
74.0%
+10.3 ptssince 1990
from 63.7% in 1990
26.0% rent
RELATED:See current rent listings in Johnston on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.8%(4,645)
Black0%(0)
Hispanic / Latino1.3%(61)
Asian0.5%(22)
2000
White, non-Hispanic95.3%(8,246)
Black0.6%(50)
Hispanic / Latino1.5%(132)
Asian2%(171)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican1.9%(461)
Argentine0.4%(90)
Spaniard0.1%(29)
Puerto Rican0.1%(25)
Asian origin
Chinese2.5%(621)
Filipino0.8%(192)
Korean0.1%(30)
Pakistani0.1%(28)
Laotian0.1%(27)
Pacific Islander origin
Marshallese0.1%(34)
Ancestry
German26.7%(6,516)
Irish17.1%(4,164)
English11.1%(2,718)
Norwegian4.2%(1,021)
American3.5%(844)
Italian3.1%(758)
Swedish2.5%(602)
Polish2%(496)
Scottish1.8%(431)
Dutch1.8%(429)
French1.6%(397)
+ 23 more ancestry groups with data
Danish0.9%(230)
Russian0.9%(225)
Czech0.8%(194)
Scotch-Irish0.6%(155)
Welsh0.6%(151)
Ghanaian0.5%(113)
Austrian0.3%(84)
British0.3%(80)
Croatian0.3%(69)
Belgian0.2%(56)
Slovene0.2%(52)
Greek0.2%(50)
Hungarian0.2%(40)
Swiss0.2%(39)
Arab0.1%(31)
Finnish0.1%(22)
Latvian0.1%(19)
Slovak0%(3)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Subsaharan African population · Largest Norwegian population
Section 05

Education

Bachelor's degree or higher
49.9%
+16.1 ptssince 1990
from 33.8% in 1990
US average: 24.4%
High school or higher
94.7%
+2.2 ptssince 1990
from 92.5% in 1990
US average: 80.3%
Graduate degree
15.3%
+3.2 ptssince 1990
from 12.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
10.5 min
−41%since 1990
from 17.7 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married21.8%(699)
Married71.6%(2,294)
Widowed0.9%(29)
Divorced5.7%(181)
Women 15+
Never married18.6%(654)
Married63.7%(2,236)
Widowed9.2%(324)
Divorced8.5%(298)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

Places similar to Johnston

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Pop 23,827
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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+58%
Home value$304,700+63%
Population17,405−31%
SEE FULL COMPARISON →
JOHNSTON VS
Urbandale
Income$112,795+48%
Home value$335,500+79%
Population48,570+94%
SEE FULL COMPARISON →
JOHNSTON VS
Clive
Income$132,121+74%
Home value$401,100+114%
Population19,861−21%
SEE FULL COMPARISON →
JOHNSTON VS
Ankeny
Income$108,198+42%
Home value$331,000+77%
Population77,833+211%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnston, Iowa?

Johnston, Iowa has about 8,649 residents according to the 2000 Census.

What is the median household income in Johnston, Iowa?

The typical household in Johnston, Iowa earns about $76,094 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 $187,400, and the typical rent is about $727 a month.

How educated are people in Johnston, Iowa?

About 49.9% 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 4.1% 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 3,947 residents, a change of about 84 percent over that period.

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

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