Rock County, Nebraska

Rock County is a located in the  of. As of, the population is 1,756. Its is.

In the Nebraska system, Rock County is represented by the prefix 81 (it had the eighty-first-largest number of vehicles registered in the county when the license plate system was established in ).

Geography
According to the, the county has a total area of 2,621 (1,012 ). 2,612 km² (1,008 sq mi) of it is land and 9 km² (3 sq mi) of it (0.34%) is water.

Adjacent Counties

 * - north
 * - northeast
 * - east
 * - south
 * - west

Demographics
As of the of 2000, there were 1,756 people, 763 households, and 501 families residing in the county. The was 1/km² (2/sq mi). There were 935 housing units at an average density of 0/km² (1/sq mi). The racial makeup of the county was 99.03%, 0.46% , 0.17% , 0.06% from , and 0.28% from two or more races. 0.51% of the population were or  of any race.

There were 763 households out of which 26.90% had children under the age of 18 living with them, 57.40% were living together, 6.40% had a female householder with no husband present, and 34.30% were non-families. 31.30% of all households were made up of individuals and 15.90% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.84.

In the county the population was spread out with 23.00% under the age of 18, 6.50% from 18 to 24, 23.60% from 25 to 44, 24.60% from 45 to 64, and 22.30% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 92.30 males. For every 100 females age 18 and over, there were 89.90 males.

The median income for a household in the county was $25,795, and the median income for a family was $29,917. Males had a median income of $24,167 versus $16,490 for females. The for the county was $14,350. About 17.70% of families and 21.80% of the population were below the, including 36.30% of those under age 18 and 14.00% of those age 65 or over.