Lyon County, Iowa
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Lyon County is a county located in the state of Iowa. As of 2000, the population is 11,763. Its county seat is Rock Rapids, Iowa6.
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Geography
According to the U.S. Census Bureau, the county has a total area of 1,522 km² (588 mi²). 1,522 km² (588 mi²) of it is land and 0 km² (0 mi²) of it is water. The total area is 0.02% water.
Adjacent counties
- Rock County, Minnesota (north)
- Nobles County, Minnesota (northeast)
- Osceola County (east)
- Sioux County (south)
- Lincoln County, South Dakota (west)
- Minnehaha County, South Dakota (morthwest)
Demographics
As of the census2 of 2000, there are 11,763 people, 4,428 households, and 3,263 families residing in the county. The population density is 8/km² (20/mi²). There are 4,758 housing units at an average density of 3/km² (8/mi²). The racial makeup of the county is 99.13% White, 0.09% Black or African American, 0.14% Native American, 0.15% Asian, 0.01% Pacific Islander, 0.10% from other races, and 0.37% from two or more races. 0.36% of the population are Hispanic or Latino of any race.
There are 4,428 households out of which 34.80% have children under the age of 18 living with them, 67.10% are married couples living together, 4.40% have a female householder with no husband present, and 26.30% are non-families. 24.30% of all households are made up of individuals and 13.70% have someone living alone who is 65 years of age or older. The average household size is 2.61 and the average family size is 3.13.
In the county the population is spread out with 28.00% under the age of 18, 7.60% from 18 to 24, 24.60% from 25 to 44, 20.90% from 45 to 64, and 18.80% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 98.40 males. For every 100 females age 18 and over, there are 94.60 males.
The median income for a household in the county is $36,878, and the median income for a family is $45,144. Males have a median income of $29,462 versus $19,385 for females. The per capita income for the county is $16,081. 7.00% of the population and 4.90% of families are below the poverty line. Out of the total population, 7.90% of those under the age of 18 and 10.30% of those 65 and older are living below the poverty line.
Cities and towns
