Science Fair Project Encyclopedia
Jones County, Iowa
Jones County is a county located in the state of Iowa. As of 2000, the population is 20,221. Its county seat is Anamosa, Iowa6. The county was named in honor of George W. Jones, one of Iowa's first Senators.
As of the census2 of 2000, there are 20,221 people, 7,560 households, and 5,299 families residing in the county. The population density is 14/km² (35/mi²). There are 8,126 housing units at an average density of 5/km² (14/mi²). The racial makeup of the county is 96.68% White, 1.79% Black or African American, 0.32% Native American, 0.22% Asian, 0.00% Pacific Islander, 0.23% from other races, and 0.78% from two or more races. 1.05% of the population are Hispanic or Latino of any race.
There are 7,560 households out of which 31.00% have children under the age of 18 living with them, 59.00% are married couples living together, 7.90% have a female householder with no husband present, and 29.90% are non-families. 25.30% of all households are made up of individuals and 12.50% 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 2.95.
In the county the population is spread out with 24.10% under the age of 18, 7.90% from 18 to 24, 29.00% from 25 to 44, 23.30% from 45 to 64, and 15.80% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 109.30 males. For every 100 females age 18 and over, there are 111.60 males.
The median income for a household in the county is $37,449, and the median income for a family is $44,269. Males have a median income of $31,039 versus $22,075 for females. The per capita income for the county is $17,816. 8.60% of the population and 6.20% of families are below the poverty line. Out of the total population, 8.80% of those under the age of 18 and 10.20% of those 65 and older are living below the poverty line.
Cities and towns
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