The term specific gravity, symbolized sp gr, refers to the ratio of the density of a solid or liquid to the density of water at 4 degrees Celsius. The term can also refer to the ratio of the density of a gas to the density of dry air at standard temperature and pressure, although this specification is less often used.
Households in Columbia, MD have a median annual income of $100,849, which is more than the median annual income in the United States. Look at the chart to see how the median household income in Columbia, MD compares to that in it's parent locations. Dataset: Source:
Richmond Per Capita Income. The ACS 1-year survey shows the per capita income for Richmond was $29,527 in 2013. Compared to the median Virginia per capita income, Richmond median per capita income is $3,618 lower.he ACS 1-year survey shows the per capita income for Richmond was $29,527 in 2013. Compared to the median Virginia per capita income, Richmond median per capita income is $3,618 lower.