Editing Monte Sereno, California (section)

===2010===
The [[2010 United States Census]]<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0648956|archive-url=https://archive.today/20140715031747/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0648956|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Monte Sereno city|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Monte Sereno had a population of 3,341. The population density was {{convert|2,068.4|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Monte Sereno was 2,698 (80.8%) [[White (U.S. Census)|White]], 14 (0.4%) [[African American (U.S. Census)|African American]], 12 (0.4%) [[Native American (U.S. Census)|Native American]], 464 (13.9%) [[Asian (U.S. Census)|Asian]], 0 (0.0%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 28 (0.8%) from [[Race (United States Census)|other races]], and 125 (3.7%) from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 162 persons (4.8%).

The Census reported that 100% of the population lived in households.

There were 1,211 households, out of which 433 (35.8%) had children under the age of 18 living in them, 917 (75.7%) were [[marriage|opposite-sex married couples]] living together, 59 (4.9%) had a female householder with no husband present, 26 (2.1%) had a male householder with no wife present. There were 14 (1.2%) [[POSSLQ|unmarried opposite-sex partnerships]], and 8 (0.7%) [[same-sex partnerships|same-sex married couples or partnerships]]. 178 households (14.7%) were made up of individuals, and 87 (7.2%) had someone living alone who was 65 years of age or older. The average household size was 2.76. There were 1,002 [[family (U.S. Census)|families]] (82.7% of all households); the average family size was 3.05.

The population was spread out, with 816 people (24.4%) under the age of 18, 156 people (4.7%) aged 18 to 24, 487 people (14.6%) aged 25 to 44, 1,235 people (37.0%) aged 45 to 64, and 647 people (19.4%) who were 65 years of age or older. The median age was 48.3 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 94.2 males.

There were 1,287 housing units at an average density of {{convert|796.8|/sqmi|/km2|sp=us|adj=off}}, of which 1,090 (90.0%) were owner-occupied, and 121 (10.0%) were occupied by renters. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 5.4%. 3,030 people (90.7% of the population) lived in owner-occupied housing units and 311 people (9.3%) lived in rental housing units.