Science Fair Project Encyclopedia
Rock County, Minnesota
- Pipestone County (north)
- Murray County (northeast)
- Nobles County (east)
- Lyon County, Iowa (south)
- Minnehaha County, South Dakota (west)
- Moody County, South Dakota (northwest)
As of the census2 of 2000, there are 9,721 people, 3,843 households, and 2,705 families residing in the county. The population density is 8/km² (20/mi²). There are 4,137 housing units at an average density of 3/km² (9/mi²). The racial makeup of the county is 97.27% White, 0.53% Black or African American, 0.43% Native American, 0.62% Asian, 0.02% Pacific Islander, 0.53% from other races, and 0.59% from two or more races. 1.28% of the population are Hispanic or Latino of any race.
There are 3,843 households out of which 31.30% have children under the age of 18 living with them, 62.10% are married couples living together, 5.50% have a female householder with no husband present, and 29.60% are non-families. 27.00% of all households are made up of individuals and 15.70% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 3.01.
In the county the population is spread out with 26.30% under the age of 18, 7.20% from 18 to 24, 24.10% from 25 to 44, 22.00% from 45 to 64, and 20.40% who are 65 years of age or older. The median age is 40 years. For every 100 females there are 97.60 males. For every 100 females age 18 and over, there are 93.00 males.
The median income for a household in the county is $38,102, and the median income for a family is $44,296. Males have a median income of $28,776 versus $22,166 for females. The per capita income for the county is $17,411. 8.00% of the population and 5.50% of families are below the poverty line. Out of the total population, 8.10% of those under the age of 18 and 8.90% of those 65 and older are living below the poverty line.
Cities and towns
† Jasper is in Pipestone County but a small part extends into Rock County.
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