Editing Quartz Hill, California (section)

===2010===
The [[2010 United States census]]<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0659052|archive-url=https://archive.today/20140715032616/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0659052|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Quartz Hill CDP|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Quartz Hill had a population of 10,912. The population density was {{convert|2,900.1|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Quartz Hill was 8,218 (75.3%) [[White (U.S. Census)|White]] (62.3% Non-Hispanic White),<ref name="quickfacts.census.gov">{{cite web|url=http://quickfacts.census.gov/qfd/states/06/0659052.html|title=Data|website=quickfacts.census.gov|access-date=2013-12-06|archive-url=https://web.archive.org/web/20120702005155/http://quickfacts.census.gov/qfd/states/06/0659052.html|archive-date=2012-07-02|url-status=dead}}</ref> 795 (7.3%) [[African American (U.S. Census)|African American]], 142 (1.3%) [[Native American (U.S. Census)|Native American]], 303 (2.8%) [[Asian (U.S. Census)|Asian]], 28 (0.3%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 947 (8.7%) from [[Race (United States census)|other races]], and 479 (4.4%) from two or more races.  [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 2,689 persons (24.6%).

The Census reported that 10,892 people (99.8% of the population) lived in households, 20 (0.2%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.

There were 3,712 households, out of which 1,521 (41.0%) had children under the age of 18 living in them, 1,972 (53.1%) were [[marriage|opposite-sex married couples]] living together, 573 (15.4%) had a female householder with no husband present, and 286 (7.7%) had a male householder with no wife present.  There were 254 (6.8%) [[POSSLQ|unmarried opposite-sex partnerships]], and 22 (0.6%) [[same-sex partnerships|same-sex married couples or partnerships]]. 692 households (18.6%) were made up of individuals, and 215 (5.8%) had someone living alone who was 65 years of age or older. The average household size was 2.93.  There were 2,831 [[family (U.S. Census)|families]] (76.3% of all households); the average family size was 3.30.

The population was spread out, with 2,917 people (26.7%) under the age of 18, 1,143 people (10.5%) aged 18 to 24, 2,525 people (23.1%) aged 25 to 44, 3,220 people (29.5%) aged 45 to 64, and 1,107 people (10.1%) who were 65 years of age or older.  The median age was 36.6 years. For every 100 females, there were 97.4 males.  For every 100 females age 18 and over, there were 94.6 males.

There were 4,018 housing units at an average density of {{convert|1,067.9|/sqmi|/km2|sp=us|adj=off}}, of which 2,584 (69.6%) were owner-occupied, and 1,128 (30.4%) were occupied by renters. The homeowner vacancy rate was 2.0%; the rental vacancy rate was 8.5%.  7,426 people (68.1% of the population) lived in owner-occupied housing units and 3,466 people (31.8%) lived in rental housing units.

According to the 2010 United States census, Quartz Hill had a median household income of $51,821, with 19.1% of the population living below the federal poverty line.<ref name="quickfacts.census.gov"/>