Demographic Characteristics of Ada County, Idaho
Total Population: 300,904
Ada County, Idaho Age/Gender Statistics
 Male Population: 150,893 (50.15%) |
 Female Population: 150,011 (49.85%) |
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| Under 5 years | 23,042 | 45 to 54 years: | 41,059 |
| 5 to 9 years: | 22,873 | 55 to 59 years: | 12,705 |
| 10 to 14 years: | 22,551 | 60 to 64 years: | 8,953 |
| 15 to 19 years: | 22,237 | 65 to 74 years: | 13,813 |
| 20 to 24 years: | 22,254 | 75 to 84 years: | 10,020 |
| 25 to 34 years: | 47,810 | 85 years and over: | 3,468 |
| 35 to 44 years: | 50,119 | ||
| Median Age: 32.8 | |||
Ada County, Idaho Racial Statistics
One Race
294,150
White
279,427
Black or African American
1,942
American Indian and Alaska Native
2,085
Asian
5,223
Asian Indian
744
Chinese
972
Filipino
531
Japanese
728
Korean
514
Vietnamese
894
Other Asian
840
Native Hawaiian and Other Pacific Islander
448
Native Hawaiian
129
Guamanian or Chamorro
134
Samoan
82
Other Pacific Islander
103
Some other race
5,025
Two or more races
6,754
Ada County, Idaho Hispanic Population Statistics
| Total Hispanic or Latino Population: 13,467 | |||
| Mexican | Puerto Rican | Cuban | Other |
| 9,080 | 405 | 136 | 3,846 |
Ada County, Idaho Relationship Statistics
| In households: 293,786 (97.63%) | In group quarters: 7,118 (2.37%) | ||
| Householder | 113,408 | Institutionalized | 5,329 |
| Spouse | 62,514 | Noninstitutionalized | 1,789 |
| Child | 90,985 | ||
| Own child under 18 years | 77,223 | ||
| Other relatives | 9,349 | ||
| Under 18 years | 3,102 | ||
| Nonrelatives | 17,530 | ||
| Unmarried partner | 6,186 | ||