Louisa County, Iowa
|Louisa County, Iowa|
Location in the state of Iowa
Iowa's location in the U.S.
417.64 sq mi (1,082 km²)
401.92 sq mi (1,041 km²)
15.73 sq mi (41 km²), 3.77%
28/sq mi (11/km²)
|Time zone||Central: UTC-6/-5|
|Footnotes: Population |
According to the 2000 census, the county has a total area of 417.64 square miles (1,081.7 km2), of which 401.92 square miles (1,041.0 km2) (or 96.24%) is land and 15.73 square miles (40.7 km2) (or 3.77%) is water.
Major highways 
Adjacent counties 
- Johnson County (northwest)
- Muscatine County (north)
- Rock Island County, Illinois (northeast), across the Mississippi River
- Mercer County, Illinois (east), across the Mississippi River
- Des Moines County (south)
- Henry County (southwest)
- Washington County (west)
National protected area 
Louisa County was formed on December 7, 1836. It was named after Louisa Massey, who was very well known here at the time because she avenged the murder of her brother when she shot the party responsible.
The first courthouse was a simple wood-framed building. In 1840, a second courthouse, measuring 40' x 20' (about 12 x 6 m), was constructed of stone. In 1854, a third structure was built. The courthouse used today was erected in 1928.
2010 census 
The 2010 census recorded a population of 11,387 in the county, with a population density of 28.3315/sq mi (10.9389/km2). There were 5,002 housing units, of which 4,346 were occupied.
2000 census 
As of the census of 2000, there were 12,183 people, 4,519 households, and 3,316 families residing in the county. The population density was 30 people per square mile (12/km²). There were 5,133 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 93.91% White, 0.25% Black or African American, 0.18% Native American, 0.20% Asian, 0.02% Pacific Islander, 4.56% from other races, and 0.88% from two or more races. 12.62% of the population were Hispanic or Latino of any race.
There were 4,519 households out of which 35.00% had children under the age of 18 living with them, 61.30% were married couples living together, 8.20% had a female householder with no husband present, and 26.60% were non-families. 22.50% of all households were made up of individuals and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.11.
In the county the population was spread out with 27.70% under the age of 18, 7.90% from 18 to 24, 28.70% from 25 to 44, 21.70% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.90 males. For every 100 females age 18 and over, there were 96.00 males.
The median income for a household in the county was $39,086, and the median income for a family was $43,972. Males had a median income of $31,293 versus $22,085 for females. The per capita income for the county was $17,644. About 7.00% of families and 9.30% of the population were below the poverty line, including 12.40% of those under age 18 and 7.90% of those age 65 or over.
Unincorporated community 
See also 
- "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 20, 2011.
- "Data from the 2010 Census". State Data Center of Iowa. Retrieved May 20, 2011.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13.
- Louisa County, Iowa
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
|Wikimedia Commons has media related to: Louisa County, Iowa|
||Johnson County||Muscatine County||Rock Island County, Illinois|
|Washington County||Mercer County, Illinois|
|Henry County||Des Moines County|