United States › Kansas › Johnson County COUNTY · 2000 CENSUS
Johnson County Kansas · 451,086 residents · 474 sq mi
Time machine
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The short version
Johnson County is home to 451,086 people in Kansas. 48% of adults hold a bachelor's degree, against 24% nationally. That is roughly 51% ahead of the Kansas median. Growth has run 27% since 1990, or 96,032 more people. Poverty is uncommon here, at 3.4% of locals. Households take in $61,455 a year at the median, 44% more than the country as a whole.
At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 35.2
US median: 35.2
More educated
48% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 32.9 in 1990
US average: 35.2
Population, 1990 – 2024
328K 408K 488K 568K 647K 1990 2000 2010 2020 2024 Johnson County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $61,455
+9%inflation adjusted, since 1990
from $42,741 in 1990
US average: $42,589
from $20,592 in 1990
US average: $21,522
from 3.6% in 1990
US average: 12.4%
$149,300
+24%inflation adjusted, since 1990
from $91,200 in 1990
US average: $120,530
$702
+3%inflation adjusted, since 1990
from $515 in 1990
US average: $602
from 69.4% in 1990
27.7% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 95.6%(339,330)
Hispanic / Latino 2%(6,986)
2000
White, non-Hispanic 89%(401,428)
Hispanic / Latino 4%(17,957)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 10 more hispanic origin groups with data Asian origin
+ 8 more asian origin groups with data Ancestry
+ 49 more ancestry groups with data from 40.5% in 1990
US average: 24.4%
High school or higher
from 92.9% in 1990
US average: 80.3%
from 12.4% in 1990
US average: 8.8%
Section 06
Commute & transportation from 19.6 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 married 25.1%(41,996)
Women 15+
Never married 20.6%(37,390)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 8.8% in 2013
US average: 8.4%
from 70.8% in 2020
US average: 54.8%
Direct-purchase
from 15.7% in 2020
US average: 13.8%
from 14.7% in 2020
US average: 18.4%
from 6.1% in 2020
US average: 20.9%
VA health care
from 1.4% in 2020
US average: 2.2%
Any private
from 84.5% in 2020
US average: 67.1%
Any public
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)
Gulf War (1990s) 25.5%(6,391)
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.
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Drill deeper
Places similar to Johnson County Head to head
Compare Johnson County to nearby counties JOHNSON COUNTY VS
Wyandotte County
Income $63,631 +4%
Home value $172,300 +15%
Population 170,597 −73%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Miami County
Income $89,000 +45%
Home value $287,700 +93%
Population 36,240 −94%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Leavenworth County
Income $89,218 +45%
Home value $282,900 +89%
Population 84,590 −87%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Douglas County
Income $69,746 +13%
Home value $309,400 +107%
Population 120,920 −81%
SEE FULL COMPARISON →
Frequently asked
How many people live in Johnson County, Kansas? Johnson County, Kansas has about 451,086 residents according to the 2000 Census.
What is the median household income in Johnson County, Kansas? The typical household in Johnson County, Kansas earns about $61,455 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 $149,300, and the typical rent is about $702 a month.
How educated are people in Johnson County, Kansas? About 47.7% 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 3.4% 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 96,032 residents, a change of about 27 percent over that period.
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