Johnson County is located in the state of Kansas, with a total population of 602401. The land area spans approximately 1226.26248 square miles, contributing to its total area of 1242.998639 square miles.

Johnson County Interactive Map

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About Johnson County, Kansas

Here is some important info of Johnson County, Kansas

Johnson County, Kansas Population Demographics

As of the last census, Johnson County has a total population of 602401, out of which 295652 are Male while 306749 are female.

You can check the total population for every year in the below table:

Year Population
2010 545655
2011 552907
2012 559428
2013 566351
2014 572940
2015 579684
2016 586015
2017 591305
2018 598127
2019 602401

Race Demographics

Category Percentage
non_hispanic_white_alone_male 38.8%
non_hispanic_white_alone_female 40.6%
black_alone_male 2.5%
black_alone_female 2.5%
asian_alone_male 2.7%
asian_alone_female 2.7%
hispanic_male 4.0%
hispanic_female 3.9%

Age Demographics

Category Percentage
0-4 6.2%
5-9 6.7%
10-14 6.9%
15-19 6.4%
20-24 5.7%
25-29 6.8%
30-34 6.9%
35-39 7.4%
40-44 6.7%
45-49 6.5%
50-54 6.2%
55-59 6.5%
60-64 5.9%
65-69 5.1%
70-74 3.9%
75-79 2.5%
80-84 1.6%
85+ 1.9%

Additional Information

  • Average Income: 74010
  • Number of Police officers: 1724
  • Johnson County FIPS code: 20091

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Source: Census.gov, Wikipedia.org