Editing Rolling Hills, California (section)

===2010===
At the [[2010 United States Census|2010 census]] Rolling Hills had a population of 1,860. The population density was {{convert|622.0|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Rolling Hills was 1,437 (77.3%) White (74.1% Non-Hispanic White),<ref>{{cite web|url=https://www.census.gov | title= Profile of General Population and Housing Characteristics: 2010 | website=Census.gov | publisher= US Census Bureau, US Dept. of Commerce | access-date= March 25, 2015}}</ref> 29 (1.6%) African American, 5 (0.3%) Native American, 303 (16.3%) Asian, 2 (0.1%) Pacific Islander, 24 (1.3%) from other races, and 60 (3.2%) from two or more races. Hispanic or Latino of any race were 102 people (5.5%).<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0662602|archive-url=https://archive.today/20140715040320/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0662602|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Rolling Hills city|publisher=US Census Bureau|access-date=July 12, 2014}}</ref>

The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized.

There were 663 households, 199 (30.0%) had children under the age of 18 living in them, 491 (74.1%) were [[marriage|opposite-sex married couples]] living together, 27 (4.1%) had a female householder with no husband present, 21 (3.2%) had a male householder with no wife present.  There were 11 (1.7%) [[POSSLQ|unmarried opposite-sex partnerships]], and 9 (1.4%) [[same-sex partnerships|same-sex married couples or partnerships]]. 98 households (14.8%) were one person and 66 (10.0%) had someone living alone who was 65 or older. The average household size was 2.81.  There were 539 families (81.3% of households); the average family size was 3.08.

The age distribution was 404 people (21.7%) under the age of 18, 109 people (5.9%) aged 18 to 24, 191 people (10.3%) aged 25 to 44, 643 people (34.6%) aged 45 to 64, and 513 people (27.6%) who were 65 or older.  The median age was 51.7 years. For every 100 females, there were 91.8 males.  For every 100 females age 18 and over, there were 91.1 males.

There were 663 occupied housing units at an average density of {{convert|239.4|/sqmi|/km2|sp=us|adj=off}}, of which 635 were owner-occupied, and 28 were occupied by renters. The homeowner vacancy rate was 1.4%; the rental vacancy rate was 3.4%.  1,778 people (95.6% of the population) lived in owner-occupied housing units and 82 people (4.4%) lived in rental housing units.