Los Altos, CA Historical Age Data
ACS 2010-2014 data
Total population: 29,762
Median Age (
see rank)
| Los Altos, CA | 46.20 years old |
| California | 35.60 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 45.90 years old |
| California | 34.50 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 46.50 years old |
| California | 36.80 years old |
| U.S. | 38.80 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,609 | 5.41%, see rank | 6.62% | 6.36% |
| 5 to 9 years | 2,599 | 8.73%, see rank | 6.65% | 6.51% |
| 10 to 14 years | 2,167 | 7.28%, see rank | 6.70% | 6.59% |
| 15 to 19 years | 1,668 | 5.60%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 688 | 2.31%, see rank | 7.58% | 7.13% |
| 25 to 34 years | 1,513 | 5.08%, see rank | 14.48% | 13.47% |
| 35 to 44 years | 4,034 | 13.55%, see rank | 13.60% | 12.96% |
| 45 to 54 years | 4,983 | 16.74%, see rank | 13.79% | 14.09% |
| 55 to 64 years | 4,378 | 14.71%, see rank | 11.32% | 12.29% |
| 65 to 74 years | 3,014 | 10.13%, see rank | 6.71% | 7.64% |
| 75 to 84 | 1,892 | 6.36%, see rank | 3.72% | 4.25% |
| 85 years and over | 1,217 | 4.09%, see rank | 1.70% | 1.85% |
US Census 2010 data
Total population: 28,976
Median Age (
see rank)
| Los Altos, CA | 46.20 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 46.00 years old |
| California | 34.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 46.50 years old |
| California | 36.30 years old |
| U.S. | 38.50 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,571 | 5.42%, see rank | 6.79% | 6.54% |
| 5 to 9 years | 2,382 | 8.22%, see rank | 6.73% | 6.59% |
| 10 to 14 years | 2,297 | 7.93%, see rank | 6.95% | 6.70% |
| 15 to 19 years | 1,678 | 5.79%, see rank | 7.58% | 7.14% |
| 20 to 24 years | 638 | 2.20%, see rank | 7.42% | 6.99% |
| 25 to 34 years | 1,371 | 4.73%, see rank | 14.27% | 13.30% |
| 35 to 44 years | 3,902 | 13.47%, see rank | 13.91% | 13.30% |
| 45 to 54 years | 5,384 | 18.58%, see rank | 14.10% | 14.58% |
| 55 to 64 years | 3,969 | 13.70%, see rank | 10.84% | 11.82% |
| 65 to 74 years | 2,741 | 9.46%, see rank | 6.11% | 7.03% |
| 75 to 84 | 1,908 | 6.58%, see rank | 3.68% | 4.23% |
| 85 years and over | 1,135 | 3.92%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 29,129
Median Age (
see rank)
| Los Altos, CA | 46.10 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 45.70 years old |
| California | 34.10 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 46.50 years old |
| California | 36.40 years old |
| U.S. | 38.50 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,658 | 5.69%, see rank | 6.82% | 6.51% |
| 5 to 9 years | 2,395 | 8.22%, see rank | 6.71% | 6.57% |
| 10 to 14 years | 2,305 | 7.91%, see rank | 6.91% | 6.68% |
| 15 to 19 years | 1,541 | 5.29%, see rank | 7.47% | 7.09% |
| 20 to 24 years | 597 | 2.05%, see rank | 7.49% | 7.04% |
| 25 to 34 years | 1,171 | 4.02%, see rank | 14.32% | 13.32% |
| 35 to 44 years | 4,164 | 14.30%, see rank | 13.93% | 13.34% |
| 45 to 54 years | 5,330 | 18.30%, see rank | 14.00% | 14.44% |
| 55 to 64 years | 4,126 | 14.16%, see rank | 10.85% | 11.84% |
| 65 to 74 years | 2,851 | 9.79%, see rank | 6.20% | 7.12% |
| 75 to 84 | 1,778 | 6.10%, see rank | 3.70% | 4.25% |
| 85 years and over | 1,213 | 4.16%, see rank | 1.62% | 1.78% |
ACS 2006-2010 data
Total population: 28,409
Median Age (
see rank)
| Los Altos, CA | 45.40 years old |
| California | 34.90 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 45.50 years old |
| California | 33.70 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 45.30 years old |
| California | 36.00 years old |
| U.S. | 38.10 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,698 | 5.98%, see rank | 6.95% | 6.62% |
| 5 to 9 years | 2,469 | 8.69%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 2,218 | 7.81%, see rank | 7.12% | 6.79% |
| 15 to 19 years | 1,594 | 5.61%, see rank | 7.65% | 7.28% |
| 20 to 24 years | 448 | 1.58%, see rank | 7.37% | 6.98% |
| 25 to 34 years | 983 | 3.46%, see rank | 14.29% | 13.22% |
| 35 to 44 years | 4,471 | 15.74%, see rank | 14.43% | 13.89% |
| 45 to 54 years | 5,149 | 18.12%, see rank | 14.05% | 14.57% |
| 55 to 64 years | 4,096 | 14.42%, see rank | 10.28% | 11.28% |
| 65 to 74 years | 2,488 | 8.76%, see rank | 5.83% | 6.74% |
| 75 to 84 | 1,683 | 5.92%, see rank | 3.73% | 4.30% |
| 85 years and over | 1,112 | 3.91%, see rank | 1.52% | 1.70% |
ACS 2005-2009 data
Total population: 27,793
Median Age (
see rank)
| Los Altos, CA | 45.30 years old |
| California | 34.60 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 45.40 years old |
| California | 33.40 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 45.10 years old |
| California | 35.70 years old |
| U.S. | 37.90 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,690 | 6.08%, see rank | 7.44% | 6.92% |
| 5 to 9 years | 2,325 | 8.37%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 2,196 | 7.90%, see rank | 7.26% | 6.83% |
| 15 to 19 years | 1,556 | 5.60%, see rank | 7.34% | 7.15% |
| 20 to 24 years | 554 | 1.99%, see rank | 7.20% | 7.02% |
| 25 to 34 years | 1,043 | 3.75%, see rank | 14.55% | 13.42% |
| 35 to 44 years | 4,308 | 15.50%, see rank | 14.71% | 14.18% |
| 45 to 54 years | 5,111 | 18.39%, see rank | 13.94% | 14.48% |
| 55 to 64 years | 3,864 | 13.90%, see rank | 9.81% | 10.81% |
| 65 to 74 years | 2,316 | 8.33%, see rank | 5.65% | 6.50% |
| 75 to 84 | 1,867 | 6.72%, see rank | 3.79% | 4.40% |
| 85 years and over | 963 | 3.46%, see rank | 1.50% | 1.71% |
US Census 2000 data
Total population: 27,693
Median Age (
see rank)
| Los Altos, CA | 44.20 years old |
| California | 33.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Los Altos, CA | 43.70 years old |
| California | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Los Altos, CA | 44.60 years old |
| California | 34.40 years old |
| U.S. | 36.50 years old |
| | Los Altos, CA | % of the Total Population | California | U.S. |
| Under 5 years | 1,629 | 5.88%, see rank | 7.34% | 6.81% |
| 5 to 9 years | 1,974 | 7.13%, see rank | 8.05% | 7.30% |
| 10 to 14 years | 1,975 | 7.13%, see rank | 7.59% | 7.29% |
| 15 to 19 years | 1,332 | 4.81%, see rank | 7.24% | 7.18% |
| 20 to 24 years | 609 | 2.20%, see rank | 7.03% | 6.74% |
| 25 to 34 years | 1,989 | 7.18%, see rank | 15.44% | 14.18% |
| 35 to 44 years | 4,794 | 17.31%, see rank | 16.19% | 16.04% |
| 45 to 54 years | 4,668 | 16.86%, see rank | 12.79% | 13.39% |
| 55 to 64 years | 3,377 | 12.19%, see rank | 7.72% | 8.63% |
| 65 to 74 years | 2,483 | 8.97%, see rank | 5.57% | 6.54% |
| 75 to 84 | 2,155 | 7.78%, see rank | 3.79% | 4.39% |
| 85 years and over | 708 | 2.56%, 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.
