Editing Del Mar, California (section)

===2010===
The [[2010 United States Census]]<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0618506|archive-url=https://archive.today/20140715035155/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0618506|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Del Mar city|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Del Mar had a population of 4,161. The [[population density]] was {{convert|2,341.9|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. The racial makeup of Del Mar was 3,912 (94.0%) [[White (U.S. Census)|White]], 10 (0.2%) [[African American (U.S. Census)|African American]], eight (0.2%) [[Native American (U.S. Census)|Native American]], 118 (2.8%) [[Asian (U.S. Census)|Asian]], three (0.1%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 25 (0.6%) from [[Race (United States Census)|other races]], and 85 (2.0%) from two or more races.  [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 175 people (4.2%).

There were 2,064 households, with 340 (16.5%) having children under the age of 18, and 927 (44.9%) with [[marriage|opposite-sex married couples]] living together, 114 (5.5%) had a female householder with no husband present, 57 (2.8%) had a male householder with no wife present. There were 124 (6.0%) [[POSSLQ|unmarried opposite-sex partnerships]], and 19 (0.9%) [[same-sex partnerships|same-sex married couples or partnerships]]. There were 707 households (34.3%) comprising one individual, and 209 (10.1%) comprising one individual 65 years of age or older. The average household size was 2.02. There were 1,098 [[family (U.S. Census)|families]] (53.2% of all households); the average family size was 2.57.

The population comprised 564 people (13.6%) under the age of 18, 205 people (4.9%) aged 18 to 24, 1,071 people (25.7%) aged 25 to 44, 1,455 people (35.0%) aged 45 to 64, and 866 people (20.8%) who were 65 years of age or older. The median age was 48.6 years. For every 100 females, there were 102.1 males. For every 100 females age 18 and over, there were 101.1 males.

There were 2,596 housing units at an average density of {{convert|1,461.1|/mi2|/km2|disp=preunit|units&nbsp;|units|}}, of which 1,113 (53.9%) were owner-occupied, and 951 (46.1%) were occupied by renters. The homeowner vacancy rate was 2.6%; the rental vacancy rate was 7.9%. Of the population, 2,398 people (57.6% of the population) lived in owner-occupied housing units and 1,763 people (42.4%) lived in rental housing units.