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O'Brien County, Iowa
Map of Iowa highlighting O'Brien County
Location in the state of Iowa
Map of the U.S. highlighting Iowa
Iowa's location in the U.S.
Seat Primghar
Area
 - Total
 - Land
 - Water

573 sq mi (1,485 km²)
573 sq mi (1,484 km²)
0 sq mi (0 km²), 0.03%
Population
 - (2000)
 - Density

15,102
26/sq mi (10/km²)
Founded 1851
Time zone Central: UTC-6/-5

O'Brien County is a county located in the U.S. state of Iowa. As of 2000, the population was 15,102. It is named for William Smith O'Brien, a leader for Irish independence in 1848, and is the only O'Brien County in the United States. Its county seat is Primghar.[1]

O'Brien County was founded in 1851.[2]

Contents

Geography

According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,485 km²), of which 573 square miles (1,484 km²) is land and 0 square miles (0 km²) (0.03%) is water.

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Major highways

Adjacent counties

Demographics

2000 Census Age Pyramid for O'Brien County.
Historical populations
Census Pop.  %±
1900 16,985
1910 17,262 1.6%
1920 19,051 10.4%
1930 18,409 −3.4%
1940 19,293 4.8%
1950 18,970 −1.7%
1960 18,840 −0.7%
1970 17,522 −7.0%
1980 16,972 −3.1%
1990 15,444 −9.0%
2000 15,102 −2.2%
IA Counties 1900-1990

As of the census[3] of 2000, there were 15,102 people, 6,001 households, and 4,122 families residing in the county. The population density was 26 people per square mile (10/km²). There were 6,509 housing units at an average density of 11 per square mile (4/km²). The racial makeup of the county was 98.05% White, 0.34% Black or African American, 0.17% Native American, 0.51% Asian, 0.01% Pacific Islander, 0.47% from other races, and 0.46% from two or more races. 1.77% of the population were Hispanic or Latino of any race.

There were 6,001 households out of which 30.40% had children under the age of 18 living with them, 61.00% were married couples living together, 4.90% had a female householder with no husband present, and 31.30% were non-families. 28.00% of all households were made up of individuals and 14.70% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.97.

In the county the population was spread out with 24.80% under the age of 18, 7.80% from 18 to 24, 24.10% from 25 to 44, 22.10% from 45 to 64, and 21.10% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 95.80 males. For every 100 females age 18 and over, there were 92.40 males.

The median income for a household in the county was $35,758, and the median income for a family was $42,959. Males had a median income of $30,446 versus $20,391 for females. The per capita income for the county was $17,281. About 4.60% of families and 7.30% of the population were below the poverty line, including 7.70% of those under age 18 and 6.00% of those age 65 or over.

Cities

Coordinates: 43°04′53″N 95°37′34″W / 43.08139°N 95.62611°W / 43.08139; -95.62611

References

  1. ^ "Find a County". National Association of Counties. http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/usamap.cfm. Retrieved 2008-01-31. 
  2. ^ Columbia-Lippincott Gazeteer. (New York:Columbia University Press, 1952) p. 1363
  3. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 

Genealogy

Up to date as of February 01, 2010

From Familypedia

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O'Brien County, Iowa
Map
File:Map of Iowa highlighting O'Brien County.png
Location in the state of Iowa
Map of the USA highlighting Iowa
Iowa's location in the USA
Statistics
Founded information needed
Seat Primghar
Area
 - Total
 - Land
 - Water

 sq mikm²)
 sq mi ( km²)
 sq mi ( km²), 0.03%
wikipedia:Population
 - (2000)
 - Density

15102
Time zone Central : UTC-6/-5

O'Brien County is a county located in the U.S. state of Iowa. As of 2000, the population is 15,102. It is named for William Smith O'Brien, a leader for Irish independence in 1848, and is the only O'Brien County in the United States. Its county seat is Primghar.6

Contents

Geography

According to the U.S. Census Bureau, the county has a total area of 1,485 km² (573 sq mi). 1,484 km² (573 sq mi) of it is land and 0 km² (0 sq mi) of it (0.03%) is water.

Major Highways

Adjacent counties

Demographics

File:USA O'Brien County, Iowa age pyramid.svg
2000 Census Age Pyramid for O'Brien County.

As of the census2 of 2000, there were 15,102 people, 6,001 households, and 4,122 families residing in the county. The population density was 10/km² (26/sq mi). There were 6,509 housing units at an average density of 4/km² (11/sq mi). The racial makeup of the county was 98.05% White, 0.34% Black or African American, 0.17% Native American, 0.51% Asian, 0.01% Pacific Islander, 0.47% from other races, and 0.46% from two or more races. 1.77% of the population were Hispanic or Latino of any race.

There were 6,001 households out of which 30.40% had children under the age of 18 living with them, 61.00% were married couples living together, 4.90% had a female householder with no husband present, and 31.30% were non-families. 28.00% of all households were made up of individuals and 14.70% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.97.

In the county the population was spread out with 24.80% under the age of 18, 7.80% from 18 to 24, 24.10% from 25 to 44, 22.10% from 45 to 64, and 21.10% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 95.80 males. For every 100 females age 18 and over, there were 92.40 males.

The median income for a household in the county was $35,758, and the median income for a family was $42,959. Males had a median income of $30,446 versus $20,391 for females. The per capita income for the county was $17,281. About 4.60% of families and 7.30% of the population were below the poverty line, including 7.70% of those under age 18 and 6.00% of those age 65 or over.

Cities and towns

CoordinatesImage:Wp_globe_tiny.gif: 43°04′53″N, 95°37′34″WLatitude: 43°4′53″N
Longitude: 95°37′34″W


This page uses content from the English language Wikipedia. The original content was at O'Brien County, Iowa. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.
Facts about O'Brien County, IowaRDF feed
Coord 43°4′53″N, 95°37′34″W  +info.pngGoogle Earth
County names O'Brien County, Iowa  +
County of country United States  +
County of subdivision1 Iowa  +
Short name O'Brien County  +

This article uses material from the "O'Brien County, Iowa" article on the Genealogy wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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