Editing Signal Hill, California (section)

===2010===
The [[2010 United States census]]<ref>{{cite web|url=https://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0671876|archive-url=https://archive.today/20140715114217/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0671876|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Signal Hill city|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Signal Hill had a population of 11,016. The population density was {{convert|5,029.0|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Signal Hill was 4,650 (42.2%) [[White (U.S. Census)|White]] (30.3% Non-Hispanic White),<ref name="quickfacts.census.gov">{{Cite web |url=http://quickfacts.census.gov/qfd/states/06/0671876.html |title=Signal Hill (City) QuickFacts from the US Census Bureau |access-date=November 26, 2018 |archive-url=https://web.archive.org/web/20120701234129/http://quickfacts.census.gov/qfd/states/06/0671876.html |archive-date=July 1, 2012 |url-status=dead  }}</ref> 1,502 (13.6%) [[African American (U.S. Census)|African American]], 83 (0.8%) [[Native American (U.S. Census)|Native American]], 2,245 (20.4%) [[Asian (U.S. Census)|Asian]], 135 (1.2%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 1,778 (16.1%) from [[Race (United States census)|other races]], and 623 (5.7%) from two or more races.  [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 3,472 persons (31.5%).

The Census reported that 10,970 people (99.6% of the population) lived in households, 2 (0%) lived in non-institutionalized group quarters, and 44 (0.4%) were institutionalized.

There were 4,157 households, out of which 1,419 (34.1%) had children under the age of 18 living in them, 1,580 (38.0%) were [[marriage|opposite-sex married couples]] living together, 660 (15.9%) had a female householder with no husband present, 258 (6.2%) had a male householder with no wife present. There were 302 (7.3%) [[POSSLQ|unmarried opposite-sex partnerships]], and 156 (3.8%) [[same-sex partnerships|same-sex married couples or partnerships]]. 1,128 households (27.1%) were made up of individuals, and 245 (5.9%) had someone living alone who was 65 years of age or older. The average household size was 2.64. There were 2,498 [[family (U.S. Census)|families]] (60.1% of all households); the average family size was 3.33.

The population was spread out, with 2,624 people (23.8%) under the age of 18, 1,034 people (9.4%) aged 18 to 24, 3,476 people (31.6%) aged 25 to 44, 2,970 people (27.0%) aged 45 to 64, and 912 people (8.3%) who were 65 years of age or older. The median age was 36.0 years. For every 100 females, there were 97.3 males. For every 100 females age 18 and over, there were 94.9 males.

There were 4,389 housing units at an average density of {{convert|2,003.7|/sqmi|/km2|sp=us|adj=off}}, of which 2,141 (51.5%) were owner-occupied, and 2,016 (48.5%) were occupied by renters. The homeowner vacancy rate was 1.9%; the rental vacancy rate was 5.7%. 5,253 people (47.7% of the population) lived in owner-occupied housing units and 5,717 people (51.9%) lived in rental housing units.

According to the 2010 United States census, Signal Hill had a median household income of $70,442, with 14.1% of the population living below the federal poverty line.<ref name="quickfacts.census.gov"/>