Demographic Characteristics of Johnson County, Kansas
Total Population: 451,086
Johnson County, Kansas Age/Gender Statistics
| Under 5 years | 33,641 | 45 to 54 years: | 66,767 |
| 5 to 9 years: | 34,076 | 55 to 59 years: | 20,528 |
| 10 to 14 years: | 34,594 | 60 to 64 years: | 14,377 |
| 15 to 19 years: | 29,883 | 65 to 74 years: | 22,921 |
| 20 to 24 years: | 24,083 | 75 to 84 years: | 16,253 |
| 25 to 34 years: | 67,759 | 85 years and over: | 5,895 |
| 35 to 44 years: | 80,309 | ||
| Median Age: 35.2 | |||
Johnson County, Kansas Racial Statistics
One Race
444,151
White
410,990
Black or African American
11,780
American Indian and Alaska Native
1,481
Asian
12,768
Asian Indian
4,167
Chinese
2,844
Filipino
925
Japanese
454
Korean
1,465
Vietnamese
1,099
Other Asian
1,814
Native Hawaiian and Other Pacific Islander
156
Native Hawaiian
39
Guamanian or Chamorro
45
Samoan
31
Other Pacific Islander
41
Some other race
6,976
Two or more races
6,935
Johnson County, Kansas Hispanic Population Statistics
| Total Hispanic or Latino Population: 17,957 | |||
| Mexican | Puerto Rican | Cuban | Other |
| 12,872 | 584 | 437 | 4,064 |
Johnson County, Kansas Relationship Statistics
| In households: 446,108 (98.90%) | In group quarters: 4,978 (1.10%) | ||
| Householder | 174,570 | Institutionalized | 3,775 |
| Spouse | 103,274 | Noninstitutionalized | 1,203 |
| Child | 138,868 | ||
| Own child under 18 years | 117,085 | ||
| Other relatives | 11,522 | ||
| Under 18 years | 3,539 | ||
| Nonrelatives | 17,874 | ||
| Unmarried partner | 6,356 | ||
