Platte County, Missouri

Platte County is a located in the  of. The county was organized in and was named for the, Platte being French for a low, shallow, or intermittent stream. As of 2000, the population was 73,781. Its is.

This county is part of the.

Geography
According to the, the county has a total area of 1,106 (427 ). 1,089 km² (420 sq mi) of it is land and 18 km² (7 sq mi) of it (1.61%) is water.

Adjacent counties

 * (north)
 * (northeast)
 * (east)
 * (south)
 * (southwest)
 * (northwest)

Demographics
As of the of 2000, there were 73,781 people, 29,278 households, and 20,231 families residing in the county. The was 68/km² (176/sq mi). There were 30,902 housing units at an average density of 28/km² (74/sq mi). The racial makeup of the county was 91.45%, 3.49% or , 0.46% , 1.48% , 0.20% , 1.05% from , and 1.87% from two or more races. 3.00% of the population were or  of any race. 23.4% were of, 12.5% , 12.2% and 11.4%  ancestry according to.

There were 29,278 households out of which 34.10% had children under the age of 18 living with them, 57.00% were living together, 8.80% had a female householder with no husband present, and 30.90% were non-families. 24.90% of all households were made up of individuals and 6.00% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.00.

In the county the population was spread out with 25.80% under the age of 18, 8.30% from 18 to 24, 32.60% from 25 to 44, 24.50% from 45 to 64, and 8.80% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.10 males. For every 100 females age 18 and over, there were 95.50 males.

The median income for a household in the county was $55,849, and the median income for a family was $65,236. Males had a median income of $44,310 versus $31,005 for females. The for the county was $26,356. About 3.30% of families and 4.80% of the population were below the, including 5.70% of those under age 18 and 5.70% of those age 65 or over.