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Johnson County Population and Races

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As of 2010-2014, the total population of Johnson County is 560,025, which is 24.15% more than it was in 2000. The population growth rate is much higher than the state average rate of 7.24% and is much higher than the national average rate of 11.61%. The Johnson County population density is 1,166.97 people per square mile, which is much higher than the state average density of 35.04 people per square mile and is much higher than the national average density of 82.73 people per square mile. The most prevalent race in Johnson County is white, which represent 87.13% of the total population. The average Johnson County education level is higher than the state average and is higher than the national average.

Topics:Population GrowthPopulation DensityPopulation by RacesPopulation by First AncestryPopulation by GenderPopulation by AgeEducationSchool EnrollmentHousehold and FamilyMarital StatusPlace of Birth and CitizenshipLanguage

Population in 2010-2014: 560,025. #1

Population Growth Since 2000, #2

Johnson County

Population Density, #1

Johnson County
1,166.97 per square mile
35.04 per square mile
82.73 per square mile

Population by Races

White:487,931 (87.13%, #87)
Black:24,670 (4.41%, #12)
Hispanic:40,754 (7.28%, #35)
Asian:24,266 (4.33%, #2)
Native (American Indian, Alaska Native, Hawaiian Native, etc.):1,872 (0.33%, #79)
One Race, Other:5,641 (1.01%, see rank)
Two or More Races:15,645 (2.79%, see rank)

Hispanic Population
Mexican:30,830 (75.65%, see rank)
Puerto Rican:982 (2.41%, see rank)
Cuban:1,281 (3.14%, see rank)
Central American:3,176 (7.79%, see rank)
South American:2,741 (6.73%, see rank)

Asian Population
Indian:9,871 (40.68%, see rank)
Chinese:4,730 (19.49%, see rank)
Filipino:1,504 (6.20%, see rank)
Japanese:548 (2.26%, see rank)
Korean:1,873 (7.72%, see rank)
Vietnamese:1,527 (6.29%, see rank)
Asian, Other:4,213 (17.36%, see rank)

*Based on 2010-2014 data. View historical race data.

Population by First Ancestry

489,653 (87.43%) out of the total population of 560,025 reported first ancestry.

 Johnson County% of the Total PopulationKansasU.S.
Arab3,1840.57%, see rank0.33%0.56%
Czech4,8360.86%, see rank0.83%0.47%
Danish3,7250.67%, see rank0.49%0.42%
Dutch8,8971.59%, see rank1.95%1.40%
English70,14812.53%, see rank9.83%8.02%
French19,2243.43%, see rank3.14%3.34%
German161,62328.86%, see rank28.39%15.03%
Greek1,8520.33%, see rank0.18%0.41%
Hungarian1,5610.28%, see rank0.17%0.46%
Irish82,48014.73%, see rank12.39%10.80%
Italian22,7554.06%, see rank2.36%5.52%
Norwegian9,2131.65%, see rank1.07%1.42%
Polish13,2552.37%, see rank1.40%3.01%
Portuguese7290.13%, see rank0.11%0.44%
Russian5,8841.05%, see rank0.73%0.92%
Scotch-Irish7,7261.38%, see rank1.19%0.99%
Scottish13,2752.37%, see rank1.94%1.72%
Subsaharan African5,7331.02%, see rank0.73%0.95%
Swedish15,9932.86%, see rank2.35%1.27%
Swiss3,8130.68%, see rank0.52%0.30%
Ukrainian1,3640.24%, see rank0.10%0.31%
American34,8846.23%, see rank8.17%7.12%
Welsh5,6181.00%, see rank0.77%0.57%

*Based on 2010-2014 data. View historical first ancestry data.

Population by Gender

Male: 273,931 (48.91%, see rank)
Females: 286,094 (51.09%, see rank)

Johnson County
Male: 48.91%
Female: 51.09%
Male: 49.71%
Female: 50.29%
Male: 49.19%
Female: 50.81%

*Based on 2010-2014 data. View historical gender data.

Population by Age

Median Age (see rank)
Johnson County
36.60 years old
36.00 years old
37.40 years old

Median Age, Male (see rank)
Johnson County
35.50 years old
34.70 years old
36.10 years old

Median Age, Female (see rank)
Johnson County
37.90 years old
37.40 years old
38.80 years old

 Johnson County% of the Total PopulationKansasU.S.
Under 5 years38,6256.90%, see rank7.03%6.36%
5 to 9 years40,9367.31%, see rank7.08%6.51%
10 to 14 years41,1167.34%, see rank6.92%6.59%
15 to 19 years36,4296.50%, see rank7.03%6.85%
20 to 24 years29,3725.24%, see rank7.35%7.13%
25 to 34 years80,34714.35%, see rank13.33%13.47%
35 to 44 years78,65514.04%, see rank11.99%12.96%
45 to 54 years80,82914.43%, see rank13.40%14.09%
55 to 64 years67,83712.11%, see rank12.16%12.29%
65 to 74 years36,1966.46%, see rank7.20%7.64%
75 to 84 19,3313.45%, see rank4.38%4.25%
85 years and over10,3521.85%, see rank2.12%1.85%

*Based on 2010-2014 data. View historical age data.

Education for the 25 Years and Over

 Johnson CountyKansasU.S.
Total 25 Years and Over Population373,547, 100%1,861,894209,056,129
Less Than High School16,152, 4.32%, see rank10.05%13.67%
High School Graduate57,463, 15.38%, see rank27.17%27.95%
Some College or Associate Degree105,436, 28.23%, see rank32.06%29.09%
Bachelor Degree123,857, 33.16%, see rank19.87%18.27%
Master, Doctorate, or Professional Degree70,639, 18.91%, see rank10.84%11.01%
USA.com Education Index#15.04, see rank13.7913.54
# Higher USA.com Education Index means more educated population.

*Based on 2010-2014 data. View historical education level data.

School Enrollment

 Johnson County KansasU.S.
Total PublicPrivatePublicPrivatePublicPrivate
Nursery School, Preschool, Kindergarten20,54759.84%40.16%75.27%24.73%71.30%28.70%
Elementary School (Grades 1-8)65,80184.73%, see rank15.27%, see rank89.18%10.82%89.86%10.14%
High School (Grades 9-12)32,05986.63%, see rank13.37%, see rank90.68%9.32%90.60%9.40%
College27,20780.96%, see rank19.04%, see rank85.94%14.06%78.37%21.63%
Graduate School9,07768.43%, see rank31.57%, see rank77.27%22.73%58.86%41.14%

*Based on 2010-2014 data. View historical school enrollment data.

Household and Family

 Johnson CountyKansasU.S.
Total Households217,826, 100%1,112,335116,211,092
Average Household Size2.55, see rank2.522.63
1 Person Households58,040, 26.65%, see rank28.49%27.57%
2 or More Person Households159,786, 73.35%, see rank71.51%72.43%
Family Households (Families)147,863, 67.88%, see rank65.72%66.22%
Average Family Size3.17, see rank3.183.32
Married-Couple Family120,629, 55.38%, see rank51.01%48.42%
Nonfamily Households69,963, 32.12%, see rank34.28%33.78%

*Based on 2010-2014 data. View historical household and family data.

Marital Status of 15 Years and Over

 Johnson County%KansasU.S.
15 Years and Over Total439,348see rank2,276,416252,974,135
Males, 15 Years and Over212,052100%, see rank1,123,431123,281,364
Never Married60,72028.63%, see rank31.74%35.77%
Married129,78761.21%, see rank55.19%52.04%
Widowed3,8631.82%, see rank2.66%2.57%
Divorced17,6828.34%, see rank10.41%9.62%
Females, 15 Years and Over227,296100%, see rank1,152,985129,692,771
Never Married56,02624.65%, see rank25.22%29.48%
Married126,83655.80%, see rank53.05%49.19%
Widowed15,7476.93%, see rank9.10%9.16%
Divorced28,68712.62%, see rank12.62%12.16%

*Based on 2010-2014 data. View historical marital status data.

Place of Birth and Citizenship

 Johnson County%KansasU.S.
Native513,99791.78%, see rank93.21%86.93%
Born in the State of Residence225,01240.18%, see rank58.88%58.73%
Born in Different State284,88350.87%, see rank33.49%26.78%
Born in Puerto Rico, U.S. Island Areas,
or Born Abroad to American Parent(s)
4,1020.73%, see rank0.83%1.42%
Foreign Born46,0288.22%, see rank6.79%13.07%
Foreign Born with U.S. Citizenship19,1193.41%, see rank2.37%5.99%
Foreign Born without U.S. Citizenship26,9094.80%, see rank4.42%7.09%
Born In Europe5,0960.91%, see rank0.53%1.53%
Born In Asia19,2783.44%, see rank2.00%3.82%
Born In Africa4,9300.88%, see rank0.38%0.55%
Born In Oceania1760.03%, see rank0.03%0.07%
Born In Latin America15,6842.80%, see rank3.76%6.83%
Born In Northern America8550.15%, see rank0.09%0.26%

*Based on 2010-2014 data. View historical place of birth and citizenship data.

Language Spoken at Home

 Johnson County%KansasU.S.
English190,70787.55%, see rank88.76%79.39%
Spanish11,3615.22%, see rank6.78%11.75%
Other Indo-European Languages7,5843.48%, see rank2.07%4.52%
Asian and Pacific Islander Languages5,8432.68%, see rank1.81%3.36%
Other2,3311.07%, see rank0.57%0.99%

*Based on 2010-2014 data. View historical language spoken at home data.

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