In the Nebraska license plate system, Boone County is represented by the prefix 23 (it had the 23rd-largest number of vehicles registered in the county when the license plate system was established in 1922).
Geography
According to the US Census Bureau, the county has an area of 687 square miles (1,780 km2), of which 687 square miles (1,780 km2) is land and 0.7 square miles (1.8 km2) (0.1%) is water.[5]
There were 2,454 households, out of which 33.90% had children under the age of 18 living with them, 60.80% were married couples living together, 5.50% had a female householder with no husband present, and 30.70% were non-families. 29.10% of all households were made up of individuals, and 16.50% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.11.
29.10% of the population is under the age of 18, 5.00% from 18 to 24, 24.20% from 25 to 44, 21.40% from 45 to 64, and 20.40% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 99.10 males. For every 100 females age 18 and over, there were 96.40 males.
The median income for a household in the county was $31,444, and the median income for a family was $38,226. Males had a median income of $26,779 versus $18,438 for females. The per capita income for the county was $15,831. About 8.30% of families and 10.40% of the population were below the poverty line, including 11.70% of those under age 18 and 11.60% of those age 65 or over.
Boone County voters have been strongly Republican for decades. In only one national election since 1936 has the county selected the Democratic Party candidate.
United States presidential election results for Boone County, Nebraska[11]