Source: US Census Bureau State & County QuickFacts.

People QuickFacts Kings County California
Population, 2008 estimate 149,518 36,756,666
Population, percent change, April 1, 2000 to July 1, 2008 15.5% 8.5%
Population estimates base (April 1) 2000 129,461 33,871,650
Persons under 5 years old, percent, 2008 8.5% 7.4%
Persons under 18 years old, percent, 2008 27.2% 25.5%
Persons 65 years old and over, percent, 2008 7.7% 11.2%
Female persons, percent, 2008 42.3% 50.0%

Visit https://www.census.gov/quickfacts/ for more information!