Boone County, Iowa

Boone County is a located in the  of. It is part of the ' ' which encompasses all of Boone County, Iowa and which, when combined with the ' ', comprises the larger 'Ames-Boone, Iowa '. As of 2000, the population of the county was 26,224. Its is.

Geography
According to the, the county has a total area of 1,485 (574 ). 1,480 km² (571 sq mi) of it is land and 5 km² (2 sq mi) of it (0.36%) is water.

Adjacent counties

 * (northwest)
 * (northeast)
 * (east)
 * (southeast)
 * (south)
 * (west)

Demographics
As of the of 2000, there were 26,224 people, 10,374 households, and 7,137 families residing in the county. The was 18/km² (46/sq mi). There were 10,968 housing units at an average density of 7/km² (19/sq mi). The racial makeup of the county was 98.53%, 0.36% or , 0.20% , 0.22% , 0.26% from , and 0.43% from two or more races. 0.83% of the population were or  of any race.

There were 10,374 households out of which 31.20% had children under the age of 18 living with them, 58.00% were living together, 7.80% had a female householder with no husband present, and 31.20% were non-families. 26.70% of all households were made up of individuals and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95.

In the county the population was spread out with 24.80% under the age of 18, 8.40% from 18 to 24, 27.10% from 25 to 44, 23.30% from 45 to 64, and 16.40% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 95.90 males. For every 100 females age 18 and over, there were 91.70 males.

The median income for a household in the county was $40,763, and the median income for a family was $49,346. Males had a median income of $32,504 versus $23,838 for females. The for the county was $19,943. About 4.50% of families and 7.60% of the population were below the, including 8.00% of those under age 18 and 5.90% of those age 65 or over.