Carroll County, Iowa

Carroll County is a located in the  of. It is named in honor of, signer of the. As of 2000, the population was 21,421. Its is.

Geography
According to the, the county has a total area of 1,477 (570 ). 1,475 km² (569 sq mi) of it is land and 2 km² (1 sq mi) of it (0.16%) is water.

Major Highways

 * [[Image:US 30.svg|20px]]
 * [[Image:US 71.svg|20px]]
 * [[Image:Iowa 141.svg|20px]]

Adjacent counties

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

Demographics
As of the of 2000, there were 21,421 people, 8,486 households, and 5,668 families residing in the county. The was 15/km² (38/sq mi). There were 9,019 housing units at an average density of 6/km² (16/sq mi). The racial makeup of the county was 98.87%, 0.18% or , 0.10% , 0.34% , 0.20% from , and 0.31% from two or more races. 0.54% of the population were or  of any race.

There were 8,486 households out of which 32.90% had children under the age of 18 living with them, 57.00% were living together, 6.80% had a female householder with no husband present, and 33.20% were non-families. 29.60% of all households were made up of individuals and 15.50% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.07.

In the county the population was spread out with 26.90% under the age of 18, 7.40% from 18 to 24, 25.90% from 25 to 44, 21.00% from 45 to 64, and 18.70% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 95.10 males. For every 100 females age 18 and over, there were 92.00 males.

The median income for a household in the county was $37,275, and the median income for a family was $47,040. Males had a median income of $30,074 versus $21,528 for females. The for the county was $18,595. About 4.50% of families and 6.50% of the population were below the, including 6.10% of those under age 18 and 8.20% of those age 65 or over.