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COUNTY · 2020 ACS

Johnson County

Kansas · 609,863 residents · 473.614 sq mi
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The short version

Johnson County is significantly wealthier than the US average, with a median household income of $91,650. Population has grown 35% since 2000. 56% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $277,500. Poverty is rare here, at 4.9% of residents. Households here earn about 50% more than the Kansas median.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 38.2
US median: 38.8
More educated
56% 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

609,863
+35%since 2000
from 451,086 in 2000
1990 – 2025
1,288 / sq mi
+35%since 2000
from 952 / sq mi in 2000
US average: 280
38.2
+9%since 2000
from 35.2 in 2000
US average: 38.8
Population, 19902024
328K408K488K568K647K1990201020202024Johnson County
2024621K
1990201020202024
Section 02

Income & economy

$91,650
−1%inflation adjusted, since 2000
from $61,455 in 2000
US average: $66,278
1990 – 2024
$47,997
+55%since 2000
from $30,919 in 2000
US average: $35,364
Households earning $100K+
59.8%
+10.8 ptssince 2009
from 49.0% in 2009
US average: 43.9%
4.9%
+1.4 ptssince 2000
from 3.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Information10.7%
US avg: 11.1%
Other services10.6%
US avg: 6.6%
Public administration8.5%
US avg: 4.7%
Retail trade8.1%
US avg: 10%
Wholesale trade4.9%
US avg: 6.7%
Finance & insurance4.5%
US avg: 5.5%
Professional, scientific, technical4.1%
US avg: 4.7%
Transportation & warehousing3.1%
US avg: 2.5%
Arts, entertainment, food3.1%
US avg: 2%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Education & health services0.4%
US avg: 0.8%
Construction0.3%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$277,500
+24%inflation adjusted, since 2000
from $149,300 in 2000
US average: $265,253
1990 – 2024
$1,147
+9%inflation adjusted, since 2000
from $702 in 2000
US average: $1,124
67.4%
−4.9 ptssince 2000
from 72.3% in 2000
32.6% rent
3.0
+25%since 2000
from 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in Johnson County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89%(401,428)
Black2.6%(11,568)
Hispanic / Latino4%(17,957)
Asian2.8%(12,697)
Other0%
Diversity Score22.3%(100,448)
Segregation Score0%
2020
White, non-Hispanic75.5%(460,399)
Black4.6%(28,092)
Hispanic / Latino8.9%(54,389)
Asian5.4%(32,856)
Other3.1%(18,903)
Diversity Score48.2%(294,164)
Segregation Score28%(170,485)
48
+117%since 2000
from 22 in 2000
1990 – 2024
Section 05

Education

56.1%
+8.4 ptssince 2000
from 47.7% in 2000
US average: 32.9%
High school or higher
96.1%
+1.2 ptssince 2000
from 94.9% in 2000
US average: 88.5%
21.5%
+5.5 ptssince 2000
from 16.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

21.1 min
+76%since 2000
from 12.0 min in 2000
US average: 26.9
80.7%
−4.7 ptssince 2009
from 85.5% in 2009
US average: 75.1%
3.1%
+0.3 ptssince 2009
from 2.8% in 2009
US average: 8.4%
Section 07

Work & employment

3.2%
−1.8 ptssince 2011
from 4.9% in 2011
US average: 5.4%
72.2%
−2.5 ptssince 2011
from 74.8% in 2011
US average: 63.4%
53.2%
−18.1 ptssince 2009
from 71.3% in 2009
US average: 39.3%
Section 08

People & community

49.1%
−0.1 ptssince 2009
from 49.2% in 2009
50.9%
+0.1 ptssince 2009
from 50.8% in 2009
9.0%
+1.4 ptssince 2009
from 7.5% in 2009
US average: 13.5%
5.8%
−85.4 ptssince 2013
from 91.2% in 2013
US average: 8.8%
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Frequently asked

How many people live in Johnson County, Kansas?

Johnson County, Kansas has about 609,863 residents according to the 2020 American Community Survey.

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

The typical household in Johnson County, Kansas earns about $91,650 a year. Half of households make more than that, and half make less.

Is Johnson County, Kansas expensive?

In Johnson County, Kansas, the median home is worth about $277,500, and the typical rent is about $1,147 a month.

How educated are people in Johnson County, Kansas?

About 56.1% of adults age 25 and over in Johnson County, Kansas hold a bachelor's degree or higher.

What is the poverty rate in Johnson County, Kansas?

About 4.9% of people in Johnson County, Kansas live below the federal poverty line.

Has Johnson County, Kansas grown since 1990?

Yes, Johnson County, Kansas has grown since 1990. The population has added about 254,809 residents, a change of about 72 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 →