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COUNTY

Johnson County

Kansas · 636,906 residents (2025 est.) · 474 sq mi
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Part of the Kansas City metro area
The short version

With 620,631 people, Johnson County is a county in Kansas. 58% of adults hold a bachelor's degree, against 36% nationally. That puts it in the top 1% of US counties for household income. That is roughly 47% ahead of the Kansas median. Growth has run 38% since 2000, or 169,545 more people. Poverty is uncommon here, at 5.4% of locals.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 38.6
US median: 38.9
More educated
58% hold a bachelor's degree
US average: 36%
Less affordable
home values up 44%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
620,631
+38%since 2000
from 451,086 in 2000
636,906 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
1,310 / sq mi
+18%since 2009
from 1,109 / sq mi in 2009
US average: 281
Median age
38.6
+10%since 2000
from 35.2 in 2000
US average: 38.9
Land area
474 sq mi
Population, 1990 – 2024
328K408K488K568K647K19902000201020202024Johnson County
2024621K
1990201020202024
Age distribution, 2024
Under 55.8%(36,271)
US avg: 5.6%
5 to 96.5%(40,487)
US avg: 6%
10 to 146.8%(42,396)
US avg: 6.4%
15 to 196.5%(40,171)
US avg: 6.6%
20 to 245.8%(36,012)
US avg: 6.5%
25 to 3413.5%(83,722)
US avg: 13.7%
35 to 4414.5%(89,689)
US avg: 13.2%
45 to 5412.6%(78,152)
US avg: 12.2%
55 to 6412%(74,726)
US avg: 12.7%
65 to 749.6%(59,449)
US avg: 10.2%
75 to 844.6%(28,391)
US avg: 5.1%
85 and over1.8%(11,165)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$109,208
−2%inflation adjusted, since 2000
from $61,455 in 2000
US average: $82,259
1990 – 2024
Per capita income
$60,137
+94%since 2000
from $30,919 in 2000
US average: $44,673
Households earning $100K+
66.9%
+17.9 ptssince 2009
from 49.0% in 2009
US average: 53.3%
Poverty rate
5.4%
+2.0 ptssince 2000
from 3.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.446
+4%since 2010
from 0.427 in 2010
US average: 0.476
Workforce by industry, 2024
Other services10.9%
US avg: 6.7%
Information10.1%
US avg: 10.8%
Public administration8.8%
US avg: 4.8%
Retail trade8.5%
US avg: 9.9%
Wholesale trade5.4%
US avg: 6.9%
Finance & insurance4.9%
US avg: 5.9%
Professional, scientific, technical4.4%
US avg: 5.1%
Transportation & warehousing2.8%
US avg: 2.2%
Arts, entertainment, food2.7%
US avg: 1.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Education & health services0.5%
US avg: 0.9%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$391,200
+44%inflation adjusted, since 2000
from $149,300 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,434
+12%inflation adjusted, since 2000
from $702 in 2000
US average: $1,442
Owner-occupied
68.5%
−3.8 ptssince 2000
from 72.3% in 2000
31.5% rent
Vacancy rate
3.9%
−1.5 ptssince 2009
from 5.4% in 2009
US average: 10.0%
Persons per household
2.46 people
−5%since 2009
from 2.58 people in 2009
US average: 2.54
Owner cost-burdened
17.6%
−4.5 ptssince 2009
from 22.1% in 2009
US average: 22.9%
Renter cost-burdened
40.7%
+3.7 ptssince 2009
from 36.9% in 2009
US average: 47.4%
Afford Score
3.6
+27%since 2009
from 2.8 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.
Gentrification Score
55
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic89%(401,428)
Black2.6%(11,568)
Hispanic / Latino4%(17,957)
Asian2.8%(12,697)
Other0%
2024
White, non-Hispanic76.1%(472,604)
Black4.8%(29,831)
Hispanic / Latino9.3%(57,813)
Asian5.2%(32,309)
Other4.5%(28,074)
Diversity Score
51
+46%since 2009
from 35 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
24
−15%since 2020
from 28 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
Mexican6.2%(38,316)
South American0.8%(4,907)
Puerto Rican0.5%(3,056)
Guatemalan0.4%(2,247)
Honduran0.3%(1,645)
Salvadoran0.3%(1,623)
Venezuelan0.2%(1,346)
Cuban0.2%(1,304)
Spaniard0.2%(1,288)
Colombian0.2%(1,093)
Peruvian0.2%(937)
+ 10 more hispanic origin groups with data
Ecuadorian0.1%(899)
Dominican0.1%(607)
Argentine0.1%(326)
Panamanian0%(254)
Nicaraguan0%(204)
Uruguayan0%(82)
Bolivian0%(33)
Chilean0%(29)
Asian origin
Asian Indian2.2%(13,750)
Chinese0.9%(5,879)
Vietnamese0.4%(2,450)
Filipino0.3%(1,737)
Korean0.3%(1,610)
Pakistani0.2%(1,168)
Laotian0.1%(715)
Japanese0.1%(477)
Hmong0.1%(435)
Bangladeshi0.1%(425)
Taiwanese0.1%(414)
Nepalese0.1%(414)
+ 8 more asian origin groups with data
Thai0.1%(411)
Burmese0%(237)
Indonesian0%(208)
Cambodian0%(186)
Sri Lankan0%(144)
Malaysian0%(112)
Uzbek0%(37)
Kazakh0%(21)
Pacific Islander origin
Samoan0%(98)
Chamorro0%(81)
Fijian0%(9)
Tongan0%(5)
Ancestry
German23.7%(147,379)
English15.4%(95,717)
Irish14%(86,670)
American4.4%(27,173)
Italian3.2%(19,732)
Scottish2.2%(13,567)
French2.1%(12,787)
Swedish1.9%(12,099)
Polish1.9%(12,066)
Norwegian1.3%(8,034)
Dutch1.2%(7,144)
+ 49 more ancestry groups with data
Scotch-Irish1%(6,171)
Welsh0.8%(4,960)
Russian0.7%(4,617)
Czech0.7%(4,362)
Arab0.6%(3,910)
Danish0.6%(3,800)
British0.5%(3,397)
Swiss0.5%(3,065)
Croatian0.5%(2,912)
Ethiopian0.4%(2,439)
Belgian0.3%(1,993)
French Canadian0.3%(1,845)
Kenyan0.3%(1,810)
Hungarian0.3%(1,785)
Ukrainian0.3%(1,691)
Austrian0.2%(1,473)
Lebanese0.2%(1,243)
Greek0.2%(1,241)
West Indian0.2%(1,150)
Iranian0.2%(1,011)
Canadian0.1%(878)
Lithuanian0.1%(857)
Portuguese0.1%(683)
Brazilian0.1%(657)
Finnish0.1%(641)
Slovak0.1%(606)
Slovene0.1%(565)
Nigerian0.1%(523)
Romanian0.1%(474)
Jamaican0.1%(459)
Jordanian0.1%(414)
Haitian0.1%(372)
Serbian0.1%(341)
Palestinian0.1%(316)
Turkish0%(291)
Iraqi0%(250)
Ghanaian0%(235)
Armenian0%(211)
Egyptian0%(196)
Latvian0%(135)
Israeli0%(127)
Syrian0%(121)
Moroccan0%(102)
Bulgarian0%(94)
Guyanese0%(38)
Somali0%(5)
Section 05

Education

Bachelor's degree or higher
57.6%
+9.8 ptssince 2000
from 47.7% in 2000
US average: 35.6%
High school or higher
96.6%
+1.7 ptssince 2000
from 94.9% in 2000
US average: 89.6%
Graduate degree
22.9%
+6.9 ptssince 2000
from 16.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
20.6 min
+72%since 2000
from 12.0 min in 2000
US average: 26.5
Drive alone to work
69.5%
−15.9 ptssince 2009
from 85.5% in 2009
US average: 68.9%
Carpooled to work
5.9%
−1.0 ptssince 2009
from 6.8% in 2009
US average: 8.5%
Public transit
0.2%
−0.3 ptssince 2009
from 0.4% in 2009
US average: 3.2%
Worked from home
22.4%
+17.3 ptssince 2009
from 5.1% in 2009
US average: 15.0%
Walked to work
0.9%
−0.2 ptssince 2009
from 1.1% in 2009
US average: 2.4%
Biked to work
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
3.5%
+0.7 ptssince 2009
from 2.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.2%
−1.7 ptssince 2011
from 4.9% in 2011
US average: 5.2%
Labor force participation
71.7%
−3.1 ptssince 2011
from 74.8% in 2011
US average: 63.5%
Women 20-64 in the labor force
82.0%
+1.7 ptssince 2020
from 80.3% in 2020
US average: 74.6%
Self-employed
11.6%
+0.8 ptssince 2009
from 10.8% in 2009
US average: 13.1%
Management & professional
56.3%
+8.7 ptssince 2009
from 47.6% in 2009
US average: 42.5%
Section 08

People & community

Male
49.4%
+0.2 ptssince 2009
from 49.2% in 2009
Female
50.6%
−0.2 ptssince 2009
from 50.8% in 2009
Foreign born
9.2%
+1.7 ptssince 2009
from 7.5% in 2009
US average: 14.1%
Veterans
5.3%
−4.2 ptssince 2009
from 9.5% in 2009
US average: 6.2%
With a disability
9.0%
+0.9 ptssince 2012
from 8.1% in 2012
US average: 13.3%
Uninsured
4.9%
−3.9 ptssince 2013
from 8.8% in 2013
US average: 8.4%
Broadband at home
95.9%
+5.7 ptssince 2017
from 90.2% in 2017
US average: 91.0%
Computer in household
97.9%
+1.6 ptssince 2020
from 96.3% in 2020
US average: 95.5%
Same house as last year
87.3%
+2.1 ptssince 2020
from 85.2% in 2020
US average: 87.7%
English only at home
87.9%
−1.1 ptssince 2016
from 88.9% in 2016
US average: 77.7%
Spanish at home
5.3%
+0.5 ptssince 2016
from 4.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married31.5%(77,454)
Married58.9%(145,001)
Widowed1.9%(4,702)
Divorced7.8%(19,103)
Women 15+
Never married25.9%(66,165)
Married56.2%(143,353)
Widowed6.4%(16,308)
Divorced11.5%(29,391)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
4.9%
−3.9 ptssince 2013
from 8.8% in 2013
US average: 8.4%
Employer-based
70.8%
Unchangedsince 2020
from 70.8% in 2020
US average: 54.8%
Direct-purchase
15.4%
−0.3 ptssince 2020
from 15.7% in 2020
US average: 13.8%
Medicare
15.9%
+1.2 ptssince 2020
from 14.7% in 2020
US average: 18.4%
Medicaid
6.7%
+0.6 ptssince 2020
from 6.1% in 2020
US average: 20.9%
VA health care
1.5%
+0.1 ptssince 2020
from 1.4% in 2020
US average: 2.2%
Any private
83.7%
−0.8 ptssince 2020
from 84.5% in 2020
US average: 67.1%
Any public
21.7%
+1.4 ptssince 2020
from 20.3% in 2020
US average: 36.7%

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, 2024
Gulf War (2001 or later)23.7%(5,950)
US avg: 26.4%
Gulf War (1990s)25.5%(6,391)
US avg: 24.3%
Vietnam era34.9%(8,761)
US avg: 33.1%
Korean War6.5%(1,633)
US avg: 4.5%
World War II0.9%(224)
US avg: 1%

Share of the 25,069 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 611,708
District of Columbia
Pop 693,645
Bucks County
Pop 647,828
Jefferson County
Pop 580,451
Places similar to Johnson County
Head to head

Compare Johnson County to nearby counties

JOHNSON COUNTY VS
Wyandotte County
Income$63,631−42%
Home value$172,300−56%
Population170,597−73%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Miami County
Income$89,000−19%
Home value$287,700−26%
Population36,240−94%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Leavenworth County
Income$89,218−18%
Home value$282,900−28%
Population84,590−87%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Douglas County
Income$69,746−36%
Home value$309,400−21%
Population120,920−81%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnson County, Kansas?

Johnson County, Kansas has about 620,631 residents according to the 2024 American Community Survey.

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

The typical household in Johnson County, Kansas earns about $109,208 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 $391,200, and the typical rent is about $1,434 a month.

How educated are people in Johnson County, Kansas?

About 57.6% 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 5.4% 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 265,577 residents, a change of about 75 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 →