Williams County, North Dakota

Williams County is a located in the  of. As of 2000, the population was 19,761. Its is.

Geography
According to the, the county has a total area of 5,563 (2,148 ). 5,362 km² (2,070 sq mi) of it is land and 201 km² (78 sq mi) of it (3.61%) is water.

, a reservoir on the, is situated on the southern boundary of the county. is entirely within Williams County. The confluence of the with the Missouri is west of Williston.

The is located in Williams County along the Missouri River on the Montana border.

Adjacent counties

 * (north)
 * (northeast)
 * (east)
 * (south)
 * (southwest)
 * (west)

Demographics
As of the of 2000, there were 19,761 people, 8,095 households, and 5,261 families residing in the county. The was 4/km² (10/sq mi). There were 9,680 housing units at an average density of 2/km² (5/sq mi). The racial makeup of the county was 92.95%, 0.12% or , 4.40% , 0.18% , 0.01% , 0.14% from , and 2.21% from two or more races. 0.94% of the population were or  of any race.

There were 8,095 households out of which 31.2% had children under the age of 18 living with them, 53.3% were living together, 8.8% had a female householder with no husband present, and 35.0% were non-families. 30.9% of all households were made up of individuals and 13.1% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.99.

In the county the population was spread out with 26.2% under the age of 18, 7.80% from 18 to 24, 25.5% from 25 to 44, 24.0% from 45 to 64, and 16.5% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 96.2 males. For every 100 females age 18 and over, there were 93.6 males.

The median income for a household in the county was $31,491, and the median income for a family was $39,065. Males had a median income of $29,884 versus $19,329 for females. The for the county was $16,763. About 9.6% of families and 11.9% of the population were below the, including 16.5% of those under age 18 and 8.1% of those age 65 or over.

Cities
Note: all incorporated communities in North Dakota are called "cities" regardless of their size.