History
Alachua County was created in 1824. It was named for a word meaning sinkhole in either the Muskogee or Timucua Indian language. The county seat was Newnansville, Florida until 1854, when it was moved to Gainsville.
Geography
According to the U.S. Census Bureau, the county has a total area of 2,510 km² (969 mi²). 2,264 km² (874 mi²) of it is land and 246 km² (95 mi²) of it is water. The total area is 9.79% water.
Demographics
As of the census2 of 2000, there are 217,955 people, 87,509 households, and 47,779 families residing in the county. The population density is 96/km² (249/mi²). There are 95,113 housing units at an average density of 42/km² (109/mi²). The racial makeup of the county is 73.47% White, 19.30% Black or African American, 0.25% Native American, 3.54% Asian, 0.03% Pacific Islander, 1.40% from other races, and 2.02% from two or more races. 5.73% of the population are Hispanic or Latino of any race.
There are 87,509 households out of which 25.20% have children under the age of 18 living with them, 38.80% are married couples living together, 12.30% have a female householder with no husband present, and 45.40% are non-families. 29.10% of all households are made up of individuals and 6.40% have someone living alone who is 65 years of age or older. The average household size is 2.34 and the average family size is 2.94.
In the county the population is spread out with 20.20% under the age of 18, 23.20% from 18 to 24, 27.70% from 25 to 44, 19.30% from 45 to 64, and 9.60% who are 65 years of age or older. The median age is 29 years. For every 100 females there are 95.40 males. For every 100 females age 18 and over, there are 93.20 males.
The median income for a household in the county is $31,426, and the median income for a family is $46,587. Males have a median income of $31,971 versus $26,059 for females. The per capita income for the county is $18,465. 22.80% of the population and 12.20% of families are below the poverty line. Out of the total people living in poverty, 19.40% are under the age of 18 and 9.70% are 65 or older.