Johnson County, Kansas Population 2022

Johnson County, Kansas's estimated population is 615,223 with a growth rate of 0.70% in the past year according to the most recent United States census data. Johnson County, Kansas is the 2nd largest county in Kansas. The 2010 Population was 545,655 and has seen a growth of 12.75% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18604,3640.00%
187013,6849,320213.57%
188016,8533,16923.16%
189017,3855323.16%
190018,1047194.14%
191018,2881841.02%
192018,314260.14%
193027,1798,86548.41%
194033,3276,14822.62%
195062,78329,45688.38%
1960143,79281,009129.03%
1970217,66273,87051.37%
1980270,26952,60724.17%
1990355,05484,78531.37%
2010545,655190,60153.68%
2011552,9077,2521.33%
2012559,4286,5211.18%
2013566,3516,9231.24%
2014572,9406,5891.16%
2015579,6846,7441.18%
2016586,0156,3311.09%
2017591,3055,2900.90%
2018598,1276,8221.15%
2019602,4014,2740.71%
2020606,6754,2740.71%
2021610,9494,2740.70%
2022615,2234,2740.70%
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Johnson County, Kansas Population Growth

Population by Race

Race Population Percentage
White505,94684.67%
Black or African American28,1934.72%
American Indian and Alaska Native1,6120.27%
Asian31,3265.24%
Native Hawaiian and Other Pacific Islander2280.04%
Some Other Race8,1221.36%
Two or More Races22,1473.71%
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Johnson County, Kansas Population by Race

Johnson County, Kansas Population Pyramid 2022

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Johnson County, Kansas Median Age

37.8


Total

36.7


Male

38.8


Female

Johnson County, Kansas Adults

There are 452,210 adults, (86,885 of whom are seniors) in Johnson County, Kansas.

Johnson County, Kansas Age Dependency

Age Dependency Ratio

23.8

Old Age Dependency Ratio

39.8

Child Dependency Ratio

Johnson County, Kansas Sex Ratio

Female

304,249

50.91%

Male

293,325

49.09%

Johnson County, Kansas Population by Age

Johnson County, Kansas Renter vs Owner Occupied by Household Type

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Johnson County, Kansas Household Types

Type Owner Renter
Married85.8%14.2%
All69%31%
Male57.3%42.7%
Female50.1%49.9%
Non Family45.8%54.2%

69.0%

Rate of Home Ownership

Johnson County, Kansas Households and Families

Type Count Average Size Owned
All233,5992.5469
Married130,9523.1785.8
Male8,2123.2157.3
Female19,1873.0450.1
Non Family75,2481.2445.8

3.1

Average Family Size

2.54

Average Household Size

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Johnson County, Kansas Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6,3731.57%
9th to 12th Grade9,3282.30%
High School Graduate56,50413.96%
Some College74,72618.46%
Associates Degree30,7437.59%
Bachelors Degree140,10734.60%
Graduate Degree87,10721.51%
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Johnson County, Kansas Educational Attainment by Sex (over 25)

Johnson County, Kansas Educational Attainment by Race

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Race Total High School Bachelors
Asian20,93019,60514,894
White334,061327,539194,349
2+ Races8,8838,2394,666
Black18,10416,9657,148
Native American1,022934295
Hispanic24,54718,1536,725
Other Race5,2853,4221,184
Islander12512125

The highest rate of high school graduation is among white people with a rate of 98.05%.

The highest rate of bachelors degrees is among asian people with a rate of 71.16%.

Johnson County, Kansas Educational Attainment by Race

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Name Average Male Female
Overall$53,786$67,047$44,252
Less Than 9th Grade$27,338$33,734$20,990
High School Graduate$35,384$41,907$28,500
Some College$43,470$52,627$36,238
Bachelors Degree$62,353$78,956$49,842
Graduate Degree$77,119$99,689$62,278

$53,786

Average Earnings

$67,047

Average Male

$44,252

Average Female

Johnson County, Kansas Earnings by Educational Attainment

Johnson County, Kansas Language by Age

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Johnson County, Kansas Language

88.04% of Johnson County, Kansas residents speak only English, while 11.96% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.04% of the population.

Johnson County, Kansas Language

Johnson County, Kansas Poverty by Race

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Name Total In Poverty Poverty Rate
Black27,6283,80213.76%
Hispanic46,0475,29911.51%
Asian31,2492,0486.55%
Multiple21,8791,3806.31%
Native1,564704.48%
White469,80316,8153.58%
Other799NaN%

4.88%

Overall Poverty Rate

3.95%

Male Poverty Rate

5.77%

Female Poverty Rate

Poverty in Johnson County, Kansas

The race most likely to be in poverty in Johnson County, Kansas is Black, with 13.76% below the poverty level.

The race least likely to be in poverty in Johnson County, Kansas is Other, with NaN% 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 7.56%, and for those that did not work, the poverty rate was 9.73%.

Johnson County, Kansas Poverty

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Name Poverty
Less Than 9th Grade13.87%
High School6.50%
Some College5.45%
Bachelors or Greater2.02%

Johnson County, Kansas Poverty Rate by Education

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Rate Poverty
Male Employed2.11%
Male Unemployed8.71%
Female Employed3.51%
Female Unemployed20.75%

Johnson County, Kansas Poverty Rate by Employment Status and Sex

Johnson County, Kansas Income by Household Type

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Name Median Mean
Households$91,650$121,756
Families$111,766$145,183
Married Families$125,160$159,563
Non Families$52,913$69,122
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Income by Household Type

Johnson County, Kansas Marital Status

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Marriage Rates

57.2%

Overall Marriage Rate

58.8%

Male Marriage Rate

55.7%

Female Marriage Rate

Johnson County, Kansas Married by Age and Sex

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Johnson County, Kansas Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Johnson County, Kansas Marital Status by Race

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Johnson County, Kansas Marital Status

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27,685

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War5,271
First Gulf War6,243
Vietnam9,842
Korea2,644
World War II1,128

Johnson County, Kansas Veterans by War

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Age Group Veterans
18 to 342,047
35 to 546,714
55 to 643,850
65 to 747,455
75+7,619

Johnson County, Kansas Veterans by Age

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Name Veterans % of Total
White25,5186.57%
Black1,1015.29%
Native American1109.92%
Asian2230.94%
Islander32.16%
Other Race1472.38%
2+ Races5835.17%
Hispanic1,0293.49%

Johnson County, Kansas Veterans by Race

Johnson County, Kansas Veterans by Education

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3.57%

Veteran Poverty Rate

26.17%

Veteran Disability Rate

Johnson County, Kansas Veterans by Education

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72.2%

Labor Force Participation

69.8%

Employment Rate

3.2%

Unemployment Rate

Johnson County, Kansas Employment by Age

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Johnson County, Kansas Employment by Race

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Johnson County, Kansas Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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42.20%

Born in Johnson County, Kansas

91.04%

Native Born

8.96%

Foreign Born

4.43%

Non Citizen

4.53%

Naturalized

Place of Birth

91.04% of Johnson County, Kansas residents were born in the United States, with 42.20% having been born in Kansas. 4.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Johnson County, Kansas Place of Birth

  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

Sources