The 95120 Zip Code covers basically the same area as the Almaden Valley, and the census results can be used as indicative of the Almaden Valley situation.

The two census results do not always report the same types of data.  For instance, occupation and income are extensively reported in the 1990 Census, but are absent from the 2000 Census.  However there is much data available to make a comparison.

Category                                              2000 Census        1990 Census
Total Population, (persons)                     37,089                34,860
Household units                                      12,467                11,278
Percent persons under 10 years of age    14.3%                 12.1%
Percent person 60 and older in age         14.5%                   8.9%
Median age                                            40                         n/a
Percent by race
 White                                                    70.8%                  83.0%
 Black                                                      0.8%                    0.8%
 Asian                                                    22.8%                   15.3%
 Latino                                                     5.2%                     4.8%

 Note that there may be double counting;  Latinos in the White column, for example.  The 1990 race percentages exceed 100%.

This analysis is dependent on the data provided by the Internet and may not be totally accurate.  However the results look reasonable.

The summary is that there has been a 6.4% increase in population, there has been an increase in the percent of people over 60, and the percent of Whites has decreased while the percent of Asians has increased.  The Black and Latino percentages remain minor.