Hamlin County, South Dakota

Hamlin County is a located in the  of. As of, the population is 5,540. Its is. It was named in honor of, Lincoln's first vice-president.

Geography
According to the, the county has a total area of 1,393 (538 ). 1,313 km² (507 sq mi) of it is land and 81 km² (31 sq mi) of it (5.78%) is water.

Townships
The county is divided into thirteen : Brantford, Castlewood, Cleveland, Dempster, Dixon, Estelline, Florence, Garfield, Hamlin, Hayti, Norden, Opdahl, and Oxford.

Adjacent Counties

 * - north
 * - east
 * - southeast
 * - southwest
 * - west

Demographics
As of the of 2000, there were 5,540 people, 2,048 households, and 1,452 families residing in the county. The was 4/km² (11/sq mi). There were 2,626 housing units at an average density of 2/km² (5/sq mi). The racial makeup of the county was 98.48%, 0.13% or , 0.58% , 0.18% , 0.11% from , and 0.52% from two or more races. 0.63% of the population were or  of any race.

There were 2,048 households out of which 33.80% had children under the age of 18 living with them, 63.50% were living together, 4.80% had a female householder with no husband present, and 29.10% were non-families. 27.00% of all households were made up of individuals and 14.50% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.22.

In the county, the population was spread out with 29.40% under the age of 18, 6.90% from 18 to 24, 24.00% from 25 to 44, 20.50% from 45 to 64, and 19.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 98.90 males. For every 100 females age 18 and over, there were 96.80 males.