Santa Clara County Historical Age Data
ACS 2010-2014 data
Total population: 1,841,569
Median Age (
see rank)
| Santa Clara County | 36.60 years old |
| California | 35.60 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Santa Clara County | 35.70 years old |
| California | 34.50 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Santa Clara County | 37.50 years old |
| California | 36.80 years old |
| U.S. | 38.80 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 123,124 | 6.69%, see rank | 6.62% | 6.36% |
| 5 to 9 years | 125,561 | 6.82%, see rank | 6.65% | 6.51% |
| 10 to 14 years | 116,971 | 6.35%, see rank | 6.70% | 6.59% |
| 15 to 19 years | 113,846 | 6.18%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 117,267 | 6.37%, see rank | 7.58% | 7.13% |
| 25 to 34 years | 277,823 | 15.09%, see rank | 14.48% | 13.47% |
| 35 to 44 years | 281,840 | 15.30%, see rank | 13.60% | 12.96% |
| 45 to 54 years | 268,961 | 14.60%, see rank | 13.79% | 14.09% |
| 55 to 64 years | 201,461 | 10.94%, see rank | 11.32% | 12.29% |
| 65 to 74 years | 118,011 | 6.41%, see rank | 6.71% | 7.64% |
| 75 to 84 | 67,322 | 3.66%, see rank | 3.72% | 4.25% |
| 85 years and over | 29,382 | 1.60%, see rank | 1.70% | 1.85% |
US Census 2010 data
Total population: 1,781,642
Median Age (
see rank)
| Santa Clara County | 36.20 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Santa Clara County | 35.30 years old |
| California | 34.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Santa Clara County | 37.10 years old |
| California | 36.30 years old |
| U.S. | 38.50 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 124,464 | 6.99%, see rank | 6.79% | 6.54% |
| 5 to 9 years | 121,928 | 6.84%, see rank | 6.73% | 6.59% |
| 10 to 14 years | 113,570 | 6.37%, see rank | 6.95% | 6.70% |
| 15 to 19 years | 114,544 | 6.43%, see rank | 7.58% | 7.14% |
| 20 to 24 years | 113,117 | 6.35%, see rank | 7.42% | 6.99% |
| 25 to 34 years | 269,566 | 15.13%, see rank | 14.27% | 13.30% |
| 35 to 44 years | 278,369 | 15.62%, see rank | 13.91% | 13.30% |
| 45 to 54 years | 263,594 | 14.80%, see rank | 14.10% | 14.58% |
| 55 to 64 years | 185,546 | 10.41%, see rank | 10.84% | 11.82% |
| 65 to 74 years | 106,521 | 5.98%, see rank | 6.11% | 7.03% |
| 75 to 84 | 62,948 | 3.53%, see rank | 3.68% | 4.23% |
| 85 years and over | 27,475 | 1.54%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 1,788,393
Median Age (
see rank)
| Santa Clara County | 36.20 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Santa Clara County | 35.40 years old |
| California | 34.10 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Santa Clara County | 37.10 years old |
| California | 36.40 years old |
| U.S. | 38.50 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 124,697 | 6.97%, see rank | 6.82% | 6.51% |
| 5 to 9 years | 121,462 | 6.79%, see rank | 6.71% | 6.57% |
| 10 to 14 years | 113,656 | 6.36%, see rank | 6.91% | 6.68% |
| 15 to 19 years | 113,977 | 6.37%, see rank | 7.47% | 7.09% |
| 20 to 24 years | 114,059 | 6.38%, see rank | 7.49% | 7.04% |
| 25 to 34 years | 271,796 | 15.20%, see rank | 14.32% | 13.32% |
| 35 to 44 years | 279,838 | 15.65%, see rank | 13.93% | 13.34% |
| 45 to 54 years | 262,675 | 14.69%, see rank | 14.00% | 14.44% |
| 55 to 64 years | 187,025 | 10.46%, see rank | 10.85% | 11.84% |
| 65 to 74 years | 107,718 | 6.02%, see rank | 6.20% | 7.12% |
| 75 to 84 | 64,532 | 3.61%, see rank | 3.70% | 4.25% |
| 85 years and over | 26,958 | 1.51%, see rank | 1.62% | 1.78% |
ACS 2006-2010 data
Total population: 1,739,396
Median Age (
see rank)
| Santa Clara County | 35.80 years old |
| California | 34.90 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Santa Clara County | 35.00 years old |
| California | 33.70 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Santa Clara County | 36.70 years old |
| California | 36.00 years old |
| U.S. | 38.10 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 124,911 | 7.18%, see rank | 6.95% | 6.62% |
| 5 to 9 years | 114,822 | 6.60%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 112,378 | 6.46%, see rank | 7.12% | 6.79% |
| 15 to 19 years | 113,184 | 6.51%, see rank | 7.65% | 7.28% |
| 20 to 24 years | 112,251 | 6.45%, see rank | 7.37% | 6.98% |
| 25 to 34 years | 267,893 | 15.40%, see rank | 14.29% | 13.22% |
| 35 to 44 years | 279,702 | 16.08%, see rank | 14.43% | 13.89% |
| 45 to 54 years | 254,289 | 14.62%, see rank | 14.05% | 14.57% |
| 55 to 64 years | 173,392 | 9.97%, see rank | 10.28% | 11.28% |
| 65 to 74 years | 99,382 | 5.71%, see rank | 5.83% | 6.74% |
| 75 to 84 | 62,642 | 3.60%, see rank | 3.73% | 4.30% |
| 85 years and over | 24,550 | 1.41%, see rank | 1.52% | 1.70% |
ACS 2005-2009 data
Total population: 1,729,378
Median Age (
see rank)
| Santa Clara County | 35.50 years old |
| California | 34.60 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Santa Clara County | 34.90 years old |
| California | 33.40 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Santa Clara County | 36.20 years old |
| California | 35.70 years old |
| U.S. | 37.90 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 133,218 | 7.70%, see rank | 7.44% | 6.92% |
| 5 to 9 years | 113,123 | 6.54%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 112,502 | 6.51%, see rank | 7.26% | 6.83% |
| 15 to 19 years | 108,483 | 6.27%, see rank | 7.34% | 7.15% |
| 20 to 24 years | 108,810 | 6.29%, see rank | 7.20% | 7.02% |
| 25 to 34 years | 274,044 | 15.85%, see rank | 14.55% | 13.42% |
| 35 to 44 years | 283,374 | 16.39%, see rank | 14.71% | 14.18% |
| 45 to 54 years | 248,180 | 14.35%, see rank | 13.94% | 14.48% |
| 55 to 64 years | 163,761 | 9.47%, see rank | 9.81% | 10.81% |
| 65 to 74 years | 95,427 | 5.52%, see rank | 5.65% | 6.50% |
| 75 to 84 | 63,655 | 3.68%, see rank | 3.79% | 4.40% |
| 85 years and over | 24,801 | 1.43%, see rank | 1.50% | 1.71% |
US Census 2000 data
Total population: 1,682,585
Median Age (
see rank)
| Santa Clara County | 34.00 years old |
| California | 33.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Santa Clara County | 33.20 years old |
| California | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Santa Clara County | 34.90 years old |
| California | 34.40 years old |
| U.S. | 36.50 years old |
| | Santa Clara County | % of the Total Population | California | U.S. |
| Under 5 years | 119,418 | 7.10%, see rank | 7.34% | 6.81% |
| 5 to 9 years | 120,725 | 7.17%, see rank | 8.05% | 7.30% |
| 10 to 14 years | 111,443 | 6.62%, see rank | 7.59% | 7.29% |
| 15 to 19 years | 108,026 | 6.42%, see rank | 7.24% | 7.18% |
| 20 to 24 years | 112,690 | 6.70%, see rank | 7.03% | 6.74% |
| 25 to 34 years | 299,140 | 17.78%, see rank | 15.44% | 14.18% |
| 35 to 44 years | 296,883 | 17.64%, see rank | 16.19% | 16.04% |
| 45 to 54 years | 218,715 | 13.00%, see rank | 12.79% | 13.39% |
| 55 to 64 years | 135,018 | 8.02%, see rank | 7.72% | 8.63% |
| 65 to 74 years | 87,193 | 5.18%, see rank | 5.57% | 6.54% |
| 75 to 84 | 55,347 | 3.29%, see rank | 3.79% | 4.39% |
| 85 years and over | 17,987 | 1.07%, see rank | 1.26% | 1.51% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
