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COUNTY · 2010 ACS

Johnson County

Kansas · 544,179 residents · 474 sq mi
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The short version

Johnson County is home to 544,179 people in Kansas. 51% of adults hold a bachelor's degree, against 28% nationally. That is roughly 49% ahead of the Kansas median. Poverty is uncommon here, at 5.5% of locals. Households take in $73,733 a year at the median, 40% more than the country as a whole. Growth has run 21% since 2000, or 93,093 more people.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 36.4
US median: 37.2
More educated
51% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
544,179
+21%since 2000
from 451,086 in 2000
1990 – 2025
Median age
36.4
+3%since 2000
from 35.2 in 2000
US average: 37.2
Land area
474 sq mi
Population, 1990 – 2024
328K408K488K568K647K19902000201020202024Johnson County
2024621K
1990201020202024
Age distribution, 2010
Under 57.2%(39,180)
US avg: 6.5%
5 to 97.5%(40,744)
US avg: 6.6%
10 to 147.4%(40,024)
US avg: 6.7%
15 to 196.3%(34,414)
US avg: 7.1%
20 to 245.1%(27,890)
US avg: 7%
25 to 3414.6%(79,236)
US avg: 13.3%
35 to 4414.3%(78,036)
US avg: 13.3%
45 to 5415%(81,839)
US avg: 14.6%
55 to 6411.7%(63,494)
US avg: 11.8%
65 to 745.7%(31,156)
US avg: 7%
75 to 843.5%(18,834)
US avg: 4.2%
85 and over1.7%(9,332)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$73,733
−5%inflation adjusted, since 2000
from $61,455 in 2000
US average: $52,703
1990 – 2024
Per capita income
$37,882
+23%since 2000
from $30,919 in 2000
US average: $27,286
Households earning $100K+
49.1%
+0.1 ptssince 2009
from 49.0% in 2009
US average: 33.3%
Poverty rate
5.5%
+2.1 ptssince 2000
from 3.4% in 2000
US average: 13.8%
Income inequality (Gini)
0.427
US average: 0.461
Workforce by industry, 2010
Information11.2%
US avg: 11.5%
Other services10.6%
US avg: 7%
Retail trade8.7%
US avg: 10.9%
Public administration8.3%
US avg: 4.9%
Arts, entertainment, food5%
US avg: 2.4%
Wholesale trade4.8%
US avg: 7.2%
Transportation & warehousing4.5%
US avg: 3.1%
Finance & insurance3.8%
US avg: 5.1%
Professional, scientific, technical3.3%
US avg: 4.2%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Construction0.4%
US avg: 1.4%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$209,900
+11%inflation adjusted, since 2000
from $149,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$857
−4%inflation adjusted, since 2000
from $702 in 2000
US average: $853
Owner-occupied
70.8%
−1.5 ptssince 2000
from 72.3% in 2000
29.2% rent
Vacancy rate
5.4%
Unchangedsince 2009
from 5.4% in 2009
US average: 12.1%
Persons per household
2.51 people
−3%since 2009
from 2.58 people in 2009
US average: 2.60
Owner cost-burdened
22.0%
−0.1 ptssince 2009
from 22.1% in 2009
US average: 30.9%
Renter cost-burdened
37.3%
+0.4 ptssince 2009
from 36.9% in 2009
US average: 46.8%
Afford Score
2.8
+1%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.
Section 04

Race & ethnicity

2000
White, non-Hispanic89%(401,428)
Black2.6%(11,568)
Hispanic / Latino4%(17,957)
Asian2.8%(12,697)
Other0%
2010
White, non-Hispanic82%(446,044)
Black4.2%(23,028)
Hispanic / Latino7.2%(38,949)
Asian4.2%(22,598)
Other2.3%(12,578)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican5%(26,437)
Central American0.6%(3,151)
South American0.4%(2,208)
Guatemalan0.2%(1,063)
Puerto Rican0.2%(889)
Honduran0.2%(852)
Spaniard0.1%(652)
Colombian0.1%(591)
Salvadoran0.1%(509)
Peruvian0.1%(506)
Cuban0.1%(413)
Ecuadorian0.1%(398)
+ 9 more hispanic origin groups with data
Argentine0.1%(363)
Costa Rican0.1%(267)
Panamanian0%(183)
Bolivian0%(158)
Venezuelan0%(134)
Chilean0%(50)
Dominican0%(12)
Ancestry
German30.6%(162,727)
Irish16.8%(89,156)
English13.6%(72,395)
American5.7%(30,392)
Italian4.2%(22,107)
French3.7%(19,405)
Swedish2.9%(15,172)
Scottish2.8%(14,954)
Scotch-Irish2.5%(13,416)
Polish2.3%(12,407)
Dutch2%(10,826)
Norwegian1.8%(9,547)
+ 48 more ancestry groups with data
Russian1.3%(6,871)
Welsh1.2%(6,256)
Czech0.9%(4,864)
Danish0.8%(4,305)
Swiss0.7%(3,676)
British0.7%(3,667)
Croatian0.5%(2,756)
Belgian0.4%(2,273)
Arab0.4%(2,210)
French Canadian0.4%(2,187)
Austrian0.4%(2,024)
Greek0.3%(1,772)
Hungarian0.3%(1,547)
Ukrainian0.3%(1,522)
Canadian0.2%(1,063)
Iranian0.2%(879)
Ethiopian0.2%(800)
Slovak0.1%(772)
Lithuanian0.1%(739)
Lebanese0.1%(653)
Portuguese0.1%(647)
Finnish0.1%(637)
Slovene0.1%(611)
West Indian0.1%(558)
Kenyan0.1%(540)
Romanian0.1%(521)
Serbian0.1%(385)
Armenian0.1%(371)
Egyptian0.1%(347)
Jordanian0.1%(299)
Brazilian0.1%(287)
Syrian0.1%(276)
Haitian0%(211)
Latvian0%(204)
Turkish0%(182)
Bulgarian0%(154)
Jamaican0%(142)
Somali0%(138)
Nigerian0%(125)
Israeli0%(117)
Australian0%(107)
Barbadian0%(95)
Guyanese0%(47)
Iraqi0%(29)
Section 05

Education

Bachelor's degree or higher
51.1%
+3.4 ptssince 2000
from 47.7% in 2000
US average: 27.9%
High school or higher
95.6%
+0.7 ptssince 2000
from 94.9% in 2000
US average: 84.9%
Graduate degree
17.9%
+1.9 ptssince 2000
from 16.0% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
20.2 min
+69%since 2000
from 12.0 min in 2000
US average: 25.2
Drive alone to work
85.1%
−0.3 ptssince 2009
from 85.5% in 2009
US average: 76.2%
Carpooled to work
7.0%
+0.2 ptssince 2009
from 6.8% in 2009
US average: 10.4%
Public transit
0.4%
Unchangedsince 2009
from 0.4% in 2009
US average: 4.7%
Worked from home
5.4%
+0.3 ptssince 2009
from 5.1% in 2009
US average: 4.1%
Walked to work
1.0%
−0.1 ptssince 2009
from 1.1% in 2009
US average: 2.8%
Biked to work
0.2%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.5%
No vehicle available
3.1%
+0.3 ptssince 2009
from 2.8% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
10.7%
−0.1 ptssince 2009
from 10.8% in 2009
US average: 12.9%
Management & professional
48.4%
+0.7 ptssince 2009
from 47.6% in 2009
US average: 35.2%
Section 08

People & community

Male
48.8%
−0.4 ptssince 2009
from 49.2% in 2009
Female
51.2%
+0.4 ptssince 2009
from 50.8% in 2009
Foreign born
7.9%
+0.3 ptssince 2009
from 7.5% in 2009
US average: 12.8%
Veterans
9.1%
−0.3 ptssince 2009
from 9.5% in 2009
US average: 9.9%
Marital status (2024)
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

Showing 2024 (the nearest year with coverage data).

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

Washington County
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$63,631−14%
Home value$172,300−18%
Population170,597−73%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Miami County
Income$89,000+21%
Home value$287,700+37%
Population36,240−94%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Leavenworth County
Income$89,218+21%
Home value$282,900+35%
Population84,590−87%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Douglas County
Income$69,746−5%
Home value$309,400+47%
Population120,920−81%
SEE FULL COMPARISON →
Frequently asked

How many people live in Johnson County, Kansas?

Johnson County, Kansas has about 544,179 residents according to the 2010 American Community Survey.

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

The typical household in Johnson County, Kansas earns about $73,733 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 $209,900, and the typical rent is about $857 a month.

How educated are people in Johnson County, Kansas?

About 51.1% 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 5.5% 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 189,125 residents, a change of about 53 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 →