Marshall County, Iowa

Marshall County is a located in the  of. As of 2000, the population was 39,311. Its is. The of Iowa is located in Marshall County, in the city of Marshalltown.

Geography
According to the, the county has a total area of 1,484 (573 ). 1,482 km² (572 sq mi) of it is land and 2 km² (1 sq mi) of it (0.12%) is water.

Major Highways

 * [[Image:US 30.svg|20px]]
 * [[Image:Iowa 14.svg|20px]]
 * [[Image:Iowa 96.svg|20px]]
 * [[Image:Iowa 146.svg|20px]]
 * [[Image:Iowa 330.svg|20px]]

Adjacent counties

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

Demographics
As of the of 2000, there were 39,311 people, 15,338 households, and 10,460 families residing in the county. The was 27/km² (69/sq mi). There were 16,324 housing units at an average density of 11/km² (28/sq mi). The racial makeup of the county was 90.44%, 0.93% or , 0.35% , 0.78% , 0.06% , 6.03% from , and 1.42% from two or more races. 8.96% of the population were or  of any race.

There were 15,338 households out of which 31.10% had children under the age of 18 living with them, 55.40% were living together, 9.30% had a female householder with no husband present, and 31.80% were non-families. 26.90% of all households were made up of individuals and 12.20% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.00.

In the county the population was spread out with 25.30% under the age of 18, 8.10% from 18 to 24, 26.30% from 25 to 44, 23.90% 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 99.20 males. For every 100 females age 18 and over, there were 96.50 males.

The median income for a household in the county was $38,268, and the median income for a family was $46,627. Males had a median income of $33,809 versus $24,063 for females. The for the county was $19,176. About 7.10% of families and 10.20% of the population were below the, including 14.30% of those under age 18 and 8.60% of those age 65 or over.