DeKalb County, Tennessee

DeKalb County is a located in the  of. As of, the population is 17,423. The 2005 Census Estimate placed the population at 18,254.

Geography
According to the, the county has a total area of 852 (329 ). 789 km² (305 sq mi) of it is land and 63 km² (24 sq mi) of it (7.42%) is water.

Adjacent Counties

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 * (east)
 * (south)
 * (southwest)
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Demographics
As of the of 2000, there were 17,423 people, 6,984 households, and 4,986 families residing in the county. The was 22/km² (57/sq mi). There were 8,409 housing units at an average density of 11/km² (28/sq mi). The racial makeup of the county was 95.58%, 1.43% or , 0.28% , 0.14% , 0.02% , 1.62% from , and 0.94% from two or more races. 3.63% of the population were or  of any race.

There were 6,984 households out of which 30.10% had children under the age of 18 living with them, 56.10% were living together, 11.10% had a female householder with no husband present, and 28.60% were non-families. 25.50% of all households were made up of individuals and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.90.

In the county, the population was spread out with 23.30% under the age of 18, 8.50% from 18 to 24, 29.30% from 25 to 44, 24.60% from 45 to 64, and 14.30% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 94.90 males.

The median income for a household in the county was $30,359, and the median income for a family was $36,920. Males had a median income of $29,483 versus $20,953 for females. The for the county was $17,217. About 11.80% of families and 17.00% of the population were below the, including 20.00% of those under age 18 and 20.10% of those age 65 or over.