Johnson County, Kansas Population 2019

Johnson County, Kansas's estimated population is 591,178 with a growth rate of 1.11% in the past year according to the most recent United States census data. Johnson County, Kansas is the largest county in Kansas.

Year Population Growth Growth Rate
2017591,1786,4621.11%
2016584,7165,7961.00%
2015578,9206,0351.05%
2014572,8856,5981.17%
2013566,2876,8991.23%
2012559,3886,6281.20%
2011552,7607,0521.29%
2010545,708190,65453.70%
1990355,05484,78531.37%
1980270,26952,60724.17%
1970217,66273,87051.37%
1960143,79281,009129.03%
195062,78329,45688.38%
194033,3276,14822.62%
193027,1798,86548.41%
192018,314260.14%
191018,2881841.02%
190018,1047194.14%
189017,3855323.16%
188016,8533,16923.16%
187013,6849,320213.57%
18604,3640.00%

Johnson County, Kansas Population Growth

Population Data via

Population by Race

Race Population
White500,737
Asian27,519
Black or African American26,612
Two or More Races16,845
Some Other Race5,368
American Indian and Alaska Native1,454
Native Hawaiian and Other Pacific Islander262

Johnson County, Kansas Population Pyramid 2019

Johnson County, Kansas Median Age

37.3


Total

36.1


Male

38.5


Female

Johnson County, Kansas Adults

There are 433,257 adults, (75,988 of whom are seniors) in Johnson County, Kansas.

Johnson County, Kansas Age Dependency

62

Age Dependency Ratio

21.3

Old Age Dependency Ratio

40.7

Child Dependency Ratio

Johnson County, Kansas Sex Ratio

Female

295,293

51.02%

Male

283,504

48.98%

Johnson County, Kansas Households and Families

Johnson County, Kansas Renter vs Owner Occupied by Household Type

Johnson County, Kansas Household Types

Type Owner Renter
Married85.7%14.3%
All68.9%31.1%
Female50.9%49.1%
Male49.5%50.5%
Non Family46.4%53.6%

68.9%

Rate of Home Ownership

Type Count Average Size Owned
All224,2482.5668.9
Married125,4973.1985.7
Non Family70,7651.2346.4
Female19,6373.0550.9
Male8,3493.1849.5

3.11

Average Family Size

2.56

Average Household Size

4.8%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Johnson County, Kansas Education

Education Attained Count Percentage
Less Than 9th Grade6,8681.77%
9th to 12th Grade9,9292.56%
High School Graduate56,13114.46%
Some College74,07819.08%
Associates Degree29,1457.51%
Bachelors Degree132,20734.05%
Graduate Degree79,87620.57%

Johnson County, Kansas Educational Attainment by Race

Name Total High School Bachelors
White325,206317,423184,929
Hispanic22,37815,9085,844
Asian18,28616,89712,518
Black16,40815,4435,741
Multiple Races5,7085,4182,913
Other Race3,5052,474659
Native American1,014931350
Islander1099439

The highest rate of high school graduation is among white people with a rate of 97.61%.

The highest rate of bachelors degrees is among white people with a rate of 68.46%.

Name Average Male Female
Overall$48,850$60,912$40,177
Less Than High School$23,418$27,215$18,522
High School Grad$30,829$35,873$25,241
Some College$38,070$44,144$32,943
Bachelors Degree$57,171$75,655$43,259
Graduate Degree$72,428$92,668$56,602

$48,850

Average Earnings

$60,912

Average Male

$40,177

Average Female

Johnson County, Kansas Language

Johnson County, Kansas Language by Age

Johnson County, Kansas Language

88.68% of Johnson County, Kansas residents speak only English, while 11.32% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.87% of the population.

Johnson County, Kansas Poverty

Johnson County, Kansas Poverty by Race

Name Total In Poverty Poverty Rate
White461,74118,5834.02%
Hispanic42,6486,46615.16%
Black26,0653,56513.68%
Asian27,4582,2018.02%
Multiple16,5611,85811.22%
Other5,31980115.06%
Native1,4091138.02%
Islander257228.56%

5.63%

Overall Poverty Rate

5.07%

Male Poverty Rate

6.17%

Female Poverty Rate

Poverty in Johnson County, Kansas

The race most likely to be in poverty in Johnson County, Kansas is Hispanic, with 15.16% below the poverty level.

The race least likely to be in poverty in Johnson County, Kansas is White, with 4.02% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.11%. Among those working part-time, it was 8.78%, and for those that did not work, the poverty rate was 10.49%.

Name Poverty
Less Than High School16.19%
High School8.27%
Some College5.94%
Bachelors or Greater2.30%
Name Poverty
Female Unemployed25.38%
Male Unemployed20.13%
Female Employed3.69%
Male Employed2.52%

Johnson County, Kansas Income

Johnson County, Kansas Income by Household Type

Name Median Mean
Households$81,121$109,320
Families$101,844$130,858
Married Families$113,218$144,620
Non Families$44,634$59,541

Johnson County, Kansas Marital Status

Johnson County, Kansas Marital Status

Marriage Rates

57.0%

Overall Marriage Rate

59.2%

Male Marriage Rate

54.9%

Female Marriage Rate

Johnson County, Kansas Married by Age and Sex

Johnson County, Kansas Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Johnson County, Kansas Marital Status by Race

Johnson County, Kansas Veterans

30,040

Number of Veterans

27,920

Male Veterans

2,120

Female Veterans

War Veterans
Vietnam10,121
First Gulf War6,176
Second Gulf War4,981
Korea3,233
World War II1,894

Johnson County, Kansas Veterans by Race

Name Veterans % of Total
White27,8597.32%
Black1,2056.34%
Hispanic1,1004.10%
2 or More4365.89%
Asian2801.35%
Other1573.82%
Indian1039.39%

Johnson County, Kansas Veterans by Education

4.06%

Veteran Poverty Rate

24.60%

Veteran Disability Rate

Johnson County, Kansas Employment Status

72.1%

Labor Force Participation

69.5%

Employment Rate

3.5%

Unemployment Rate

Population of Cities in Johnson County, Kansas

City 2010 Census 2016 Estimated Growth Growth Rate
Overland Park173325188966156419.02%
Olathe12589513547395787.61%
Shawnee622096519429854.80%
Lenexa481885290347159.78%
Leawood318673456526988.47%
Prairie Village21447218053581.67%
Gardner1911521110199510.44%
Merriam11032112452131.93%
Mission932394431201.29%
Bonner Springs 731476653514.80%
Roeland Park67316786550.82%
Spring Hill 5438616672813.39%
De Soto572060713516.14%
Fairway38823972902.32%
Mission Hills349836001022.92%
Edgerton17351756211.21%
Westwood1506165815210.09%
Lake Quivira 906940343.75%
Westwood Hills359392339.19%
Mission Woods1781982011.24%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990