Manson, Iowa

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Manson is a city in Calhoun County, Iowa, United States. The population was 1,893 at the 2000 census.

1 Geography
2 Demographics
3 Manson Impact Crater
4 External links

[edit] Geography

Manson is located at 42°31′50″N, 94°32′5″W (42.530690, -94.534673)^GR1.

According to the United States Census Bureau, the city has a total area of 8.3 km² (3.2 mi²), all land.

[edit] Demographics

As of the census^GR2 of 2000, there were 1,893 people, 814 households, and 529 families residing in the city. The population density was 229.1/km² (592.8/mi²). There were 863 housing units at an average density of 104.5/km² (270.2/mi²). The racial makeup of the city was 98.68% White, 0.16% African American, 0.21% Native American, 0.32% Asian, 0.32% from other races, and 0.32% from two or more races. Hispanic or Latino of any race were 0.37% of the population.

There were 814 households out of which 27.4% had children under the age of 18 living with them, 53.8% were married couples living together, 8.7% had a female householder with no husband present, and 34.9% were non-families. 32.7% of all households were made up of individuals and 21.0% had someone living alone who was 65 years of age or older. The average household size was about 2.27 and the average family size was approximately 2.87.

In the city the population was spread out with 23.7% under the age of 18, 6.9% from 18 to 24, 22.5% from 25 to 44, 21.4% from 45 to 64, and 25.4% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 86.0 males. For every 100 females age 18 and over, there were 79.8 males.

The median income for a household in the city was $31,331, and the median income for a family was $41,500. Males had a median income of $31,006 versus $20,491 for females. The per capita income for the city was $16,687. About 6.7% of families and 8.9% of the population were below the poverty line, including 11.9% of those under age 18 and 7.7% of those age 65 or over.

[edit] Manson Impact Crater

Manson is located near the site of Manson crater, formed by a meteorite collision that happened 74 million years ago. The crater's existence was first discovered during an oil-drilling wildcatting expedition in the 1930's. It was eventually realized to be the biggest impact by an object from outer space to happen in North America and was theorized to have led to the extinction of the dinosaurs, or contributed to it as a fragment of the Chicxulub meteor, until tests by the U.S. Geological Survey in 1991 and 1992 proved that it was too old by 9 million years.

Not much remains due to glacial till which has filled in the crater and has made it undetectable at ground level. However due to this infilling it is one of the best preserved impact sites on Earth. [1]