Editing South Whittier, California (section)

===2010===
At the [[2010 United States Census|2010 census]] South Whittier had a population of 57,156. The population density was {{convert|10,691.8|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of South Whittier was 33,663 (58.9%) White (16.7% Non-Hispanic White),<ref name="quickfacts.census.gov">{{cite web |title=QuickFacts |website=[[United States Census Bureau]] |access-date=5 July 2023 |language=en  |archive-date=Apr 18, 2012 |archive-url=https://web.archive.org/web/20120418222717/http://quickfacts.census.gov/qfd/states/06/0673430.html |url=http://quickfacts.census.gov/qfd/states/06/0673430.html |url-status=unfit}}</ref> 859 (1.5%) African American, 743 (1.3%) Native American, 2,305 (4.0%) Asian, 147 (0.3%) Pacific Islander, 17,085 (29.9%) from other races, and 2,354 (4.1%) from two or more races.  Hispanic or Latino of any race were 44,094 persons (77.1%).<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0673430|archive-url=https://archive.today/20140715033345/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0673430|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - South Whittier CDP|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref>

The census reported that 56,859 people (99.5% of the population) lived in households, 282 (0.5%) lived in non-institutionalized group quarters, and 15 (0%) were institutionalized.

There were 15,067 households, 7,647 (50.8%) had children under the age of 18 living in them, 8,500 (56.4%) were [[marriage|opposite-sex married couples]] living together, 2,678 (17.8%) had a female householder with no husband present, 1,276 (8.5%) had a male householder with no wife present.  There were 979 (6.5%) [[POSSLQ|unmarried opposite-sex partnerships]], and 110 (0.7%) [[same-sex partnerships|same-sex married couples or partnerships]]. 1,943 households (12.9%) were one person and 810 (5.4%) had someone living alone who was 65 or older. The average household size was 3.77.  There were 12,454 families (82.7% of households); the average family size was 4.05.

The age distribution was 16,274 people (28.5%) under the age of 18, 6,637 people (11.6%) aged 18 to 24, 16,369 people (28.6%) aged 25 to 44, 12,891 people (22.6%) aged 45 to 64, and 4,985 people (8.7%) who were 65 or older.  The median age was 32.0 years. For every 100 females, there were 98.5 males.  For every 100 females age 18 and over, there were 97.0 males.

There were 15,600 housing units at an average density of 2,918.2 per square mile, of the occupied units 9,563 (63.5%) were owner-occupied and 5,504 (36.5%) were rented. The homeowner vacancy rate was 1.1%; the rental vacancy rate was 3.7%.  36,050 people (63.1% of the population) lived in owner-occupied housing units and 20,809 people (36.4%) lived in rental housing units.

According to the 2010 United States Census, South Whittier had a median household income of $65,815, with 11.4% of the population living below the federal poverty line.<ref name="quickfacts.census.gov"/>