Johnson County, Kansas Population 2018

Johnson County, Kansas's estimated population is 591,178 with a growth rate of 3.28% in the past year according to the most recent United States census data. Johnson County, Kansas is the 1st largest county in Kansas.

Year Population Growth Growth Rate
2017591,17818,7503.28%
2016572,428-12,288-2.10%
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
White497,049
Asian26,088
Black or African American25,490
Two or More Races16,891
Some Other Race5,172
American Indian and Alaska Native1,506
Native Hawaiian and Other Pacific Islander232

Race Data via US Census (2016 ACS 5-Year Survey)

Johnson County, Kansas Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Johnson County, Kansas Median Age

37.1


Total

35.9


Male

38.3


Female

Johnson County, Kansas Adults

There are 427,031 adults, (72,698 of which are seniors) in Johnson County, Kansas.

Johnson County, Kansas Age Dependency

61.4

Age Dependency Ratio

20.5

Old Age Dependency Ratio

40.9

Child Dependency Ratio

Johnson County, Kansas Sex Ratio

Female

292,466

51.09%

Male

279,962

48.91%

Johnson County, Kansas Households and Families

Johnson County, Kansas Renter vs Owner Occupied by Household Type

Johnson County, Kansas Household Types

Type Owner Renter
Married85.6%14.4%
All69%31%
Female50.6%49.4%
Male50.2%49.8%
Non Family47.3%52.7%

69.0%

Rate of Home Ownership

Johnson County, Kansas Households by Type

Type Count Average Size Owned
All222,0672.5669
Married123,3013.1985.6
Non Family70,6801.2447.3
Female19,8103.0250.6
Male8,2763.1650.2

3.11

Average Family Size

2.56

Average Household Size

4.7%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Johnson County, Kansas Households

Johnson County, Kansas Education

Johnson County, Kansas Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade6,8291.78%
9th to 12th Grade9,4482.46%
High School Graduate56,95314.86%
Some College75,60319.72%
Associates Degree29,0927.59%
Bachelors Degree129,27633.73%
Graduate Degree76,09919.85%

Johnson County, Kansas Educational Attainment by Race

Name Total High School Bachelors
White322,686314,678179,941
Hispanic21,65615,6365,569
Asian17,39616,18411,899
Black15,90015,0195,324
Multiple Races5,3825,1522,544
Other Race3,1512,252580
Native American1,061996351
Islander11211252

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 68.40%.

Johnson County, Kansas Earnings by Educational Attainment

Name Average Male Female
Overall$47,019$59,248$38,579
Less Than High School$22,344$26,601$16,657
High School Grad$30,193$35,574$24,954
Some College$37,438$43,945$31,815
Bachelors Degree$54,732$72,453$42,110
Graduate Degree$71,245$91,289$55,539

$47,019

Average Earnings

$59,248

Average Male

$38,579

Average Female

Johnson County, Kansas Language

Johnson County, Kansas Language by Age

Johnson County, Kansas Language

88.95% of Johnson County, Kansas residents speak only English, while 11.05% speak other languages. The largest non-English language is Spanish, which is spoken by 4.83% of the population.

Johnson County, Kansas Poverty

Johnson County, Kansas Poverty by Race

Name Total In Poverty Poverty Rate
White458,58720,8294.54%
Hispanic41,4476,18314.92%
Black24,8513,34113.44%
Asian26,0042,3128.89%
Multiple16,6161,80010.83%
Other5,11978715.37%
Native1,46018912.95%
Islander2262410.62%

6.04%

Overall Poverty Rate

5.27%

Male Poverty Rate

6.77%

Female Poverty Rate

Poverty in Johnson County, Kansas

The race most likely to be in poverty in Johnson County, Kansas is Other, with 15.37% below the poverty level.

The race least likely to be in poverty in Johnson County, Kansas is White, with 4.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.13%. Among those working part-time, it was 10.00%, and for those that did not work, the poverty rate was 10.56%.

Johnson County, Kansas Poverty Rate by Education

Name Poverty
Less Than High School17.31%
High School9.11%
Some College5.92%
Bachelors or Greater2.48%

Johnson County, Kansas Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed24.61%
Male Unemployed20.25%
Female Employed4.19%
Male Employed2.62%

Johnson County, Kansas Income

Johnson County, Kansas Income by Household Type

Name Median Mean
Households$78,186$104,944
Families$97,922$125,716
Married Families$108,799$138,894
Non Families$43,739$57,717

Johnson County, Kansas Marital Status

Johnson County, Kansas Marital Status

Marriage Rates

56.8%

Overall Marriage Rate

59.3%

Male Marriage Rate

54.4%

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 55To64, while the female age group most likely to be married is 35To44.

Johnson County, Kansas Marital Status by Race

Johnson County, Kansas Veterans

Johnson County, Kansas Veterans by War

31,198

Number of Veterans

28,968

Male Veterans

2,230

Female Veterans

Name Veterans
Vietnam10,438
First Gulf War6,123
Second Gulf War4,442
Korea3,460
World War II2,295

Johnson County, Kansas Veterans by Age

Name Veterans
75+7,901
35 to 547,749
65 to 747,643
55 to 645,387
18 to 342,518

Johnson County, Kansas Veterans by Race

Name Veterans % of Total
White28,7397.63%
Black1,3217.19%
Hispanic1,0394.00%
2 or More5497.50%
Asian2401.23%
Other1814.82%
Indian15013.31%
Hawaiian1810.71%

Johnson County, Kansas Veterans by Education

3.60%

Veteran Poverty Rate

24.02%

Veteran Disability Rate

Johnson County, Kansas Employment Status

Johnson County, Kansas Employment by Age

72.1%

Labor Force Participation

69.1%

Employment Rate

4.1%

Unemployment Rate

Johnson County, Kansas Employment by Race

Johnson County, Kansas Employment by Education

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%
Data Sources
  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