Jefferson County is a county located in the state of Kentucky. As of 2000, the population is 693,604.
In 2003, its government merged with that of its largest city and
county seat, Louisville, forming a new entity, Louisville-Jefferson
County Metro Government (official long form) or Louisville Metro
(official short form).
Geography
According to the U.S. Census Bureau, the county has a total area of 1,032 km˛ (399 mi˛). 997 km˛ (385 mi˛) of it is land and 35 km˛ (13 mi˛) of
it is water. The total area is 3.38% water. The Ohio River forms its northern boundary with the state of Indiana.
Demographics
As of the census2 of 2000, there are 693,604 people, 287,012 households, and
183,113 families residing in the county. The population density is 695/km˛ (1,801/mi˛). There are 305,835
housing units at an average density of 307/km˛ (794/mi˛). The racial makeup of
the county is 77.38% White, 18.88% Black or African American, 0.22% Native American, 1.39% Asian, 0.04% Pacific Islander, 0.68% from other races, and 1.42% from two or more races. 1.78% of the population are Hispanic or Latino of any race.
There are 287,012 households out of which 29.60% have children under the age
of 18 living with them, 45.20% are married couples living together, 14.70% have a female
householder with no husband present, and 36.20% are non-families. 30.50% of all
households are made up of individuals and 10.30% have someone living alone who
is 65 years of age or older. The average household size is 2.37 and the average
family size is 2.97.
In the county the population is spread out with 24.30% under the age of 18,
8.90% from 18 to 24, 30.40% from 25 to 44, 22.80% from 45 to 64, and 13.50% who
are 65 years of age or older. The median age is 37 years. For every 100 females
there are 91.60 males. For every 100 females age 18 and over, there are 87.60
males.
The median income for a household in the county is $39,457, and the median
income for a family is $49,161. Males have a median income of $36,484 versus $26,255
for females. The per capita income for the county is $22,352. 12.40% of the
population and 9.50% of families are below the poverty line. Out of the total population, 18.10% of those
under the age of 18 and 8.80% of those 65 and older are living below the poverty
line.
