View source for Keyes, California

===2010 census===
At the [[2010 United States Census|2010 census]] Keyes had a population of 5,601. The population density was {{convert|1,980.1|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Keyes was 3,109 (55.5%) White, 71 (1.3%) African American, 60 (1.1%) Native American, 200 (3.6%) Asian, 32 (0.6%) Pacific Islander, 1,919 (34.3%) from [[Race (United States Census)|other races]], and 210 (3.7%) from two or more races.  Hispanic or Latino of any race were 3,233 persons (57.7%).<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0638422|archive-url=https://archive.today/20140715030057/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0638422|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Keyes CDP|publisher=U.S. Census Bureau|accessdate=July 12, 2014}}</ref>

The census reported that 5,572 people (99.5% of the population) lived in households, 29 (0.5%) lived in non-institutionalized group quarters, and no one was institutionalized.

There were 1,588 households, 837 (52.7%) had children under the age of 18 living in them, 862 (54.3%) were [[marriage|opposite-sex married couples]] living together, 270 (17.0%) had a female householder with no husband present, 144 (9.1%) had a male householder with no wife present.  There were 123 (7.7%) [[POSSLQ|unmarried opposite-sex partnerships]], and 8 (0.5%) [[same-sex partnerships|same-sex married couples or partnerships]]. 235 households (14.8%) were one person and 93 (5.9%) had someone living alone who was 65 or older. The average household size was 3.51.  There were 1,276 families (80.4% of households); the average family size was 3.88.

The age distribution was 1,877 people (33.5%) under the age of 18, 590 people (10.5%) aged 18 to 24, 1,517 people (27.1%) aged 25 to 44, 1,168 people (20.9%) aged 45 to 64, and 449 people (8.0%) who were 65 or older.  The median age was 29.5 years. For every 100 females, there were 99.9 males.  For every 100 females age 18 and over, there were 96.4 males.

There were 1,714 housing units at an average density of 605.9 per square mile, of the occupied units 1,063 (66.9%) were owner-occupied and 525 (33.1%) were rented. The homeowner vacancy rate was 3.4%; the rental vacancy rate was 6.9%.  3,622 people (64.7% of the population) lived in owner-occupied housing units and 1,950 people (34.8%) lived in rental housing units.