Those materials have a specific gravity more than 1. Pure water at 4 C (the maximum density) was chosen as the accepted standard for specific gravity and given the value of 1. Some other standards set pure water at 60 F as sg = 1 so it is more correct to state the base used.
Riverside County Income and Careers. As of 2010-2014, the per capita income of Riverside County is $23,660, which is lower than the state average of $29,906 and is lower than the national average of $28,555. Riverside County median household income is $56,592, which has grown by 31.96% since 2000. The median household income growth rate is higher than the state average rate of 29.47% and is higher than the national average rate of 27.36%.
California Real Median Family Income Trends since 2005. The current median family income for California is $71,015. Real median family income peaked in 2007 at $77,055 and is now $6,040 (7.84%) lower. From a post peak low of $68,276 in 2012, real median family income for California has now grown by $2,739 (4.01%).he ACS 1-year survey shows that the median family income for California was $71,015 in 2014. Compared to the median US family income, California median family income is $5,105 higher. Like the median household income numbers, 2015 family income data will be released in September of 2016.