Demographic Characteristics of Jefferson County, Missouri
Total Population: 198,099
Jefferson County, Missouri Age/Gender Statistics
 Male Population: 98,490 (49.72%) |
 Female Population: 99,609 (50.28%) |
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| Under 5 years | 14,257 | 45 to 54 years: | 27,317 |
| 5 to 9 years: | 15,327 | 55 to 59 years: | 9,881 |
| 10 to 14 years: | 16,110 | 60 to 64 years: | 7,421 |
| 15 to 19 years: | 15,150 | 65 to 74 years: | 10,606 |
| 20 to 24 years: | 11,362 | 75 to 84 years: | 5,823 |
| 25 to 34 years: | 27,258 | 85 years and over: | 1,770 |
| 35 to 44 years: | 35,817 | ||
| Median Age: 34.9 | |||
Jefferson County, Missouri Racial Statistics
One Race
196,248
White
193,102
Black or African American
1,354
American Indian and Alaska Native
577
Asian
708
Asian Indian
89
Chinese
112
Filipino
199
Japanese
33
Korean
88
Vietnamese
96
Other Asian
91
Native Hawaiian and Other Pacific Islander
28
Native Hawaiian
17
Guamanian or Chamorro
8
Samoan
3
Other Pacific Islander
0
Some other race
479
Two or more races
1,851
Jefferson County, Missouri Hispanic Population Statistics
| Total Hispanic or Latino Population: 2,002 | |||
| Mexican | Puerto Rican | Cuban | Other |
| 1,130 | 176 | 41 | 655 |
Jefferson County, Missouri Relationship Statistics
| In households: 196,069 (98.98%) | In group quarters: 2,030 (1.02%) | ||
| Householder | 71,499 | Institutionalized | 1,424 |
| Spouse | 43,605 | Noninstitutionalized | 606 |
| Child | 64,833 | ||
| Own child under 18 years | 50,371 | ||
| Other relatives | 7,317 | ||
| Under 18 years | 3,285 | ||
| Nonrelatives | 8,815 | ||
| Unmarried partner | 4,522 | ||