Colusa County, California
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The county was named after two Mexican land grants; Coluses (1844) and Colus (1845). The name of the county in the original state legislative act was spelled Colusi, and often in newspapers was spelled Coluse. The word is derived from the name of a Native American tribe living on the west side of the Sacramento River.
As of the census2 of 2000, there are 18,804 people, 6,097 households, and 4,578 families residing in the county. The population density is 6/km² (16/mi²). There are 6,774 housing units at an average density of 2/km² (6/mi²). The racial makeup of the county is 64.29% White, 0.55% Black or African American, 2.33% Native American, 1.21% Asian, 0.39% Pacific Islander, 26.68% from other races, and 4.54% from two or more races. 46.54% of the population are Hispanic or Latino of any race.
There are 6,097 households out of which 41.40% have children under the age of 18 living with them, 59.60% are married couples living together, 9.60% have a female householder with no husband present, and 24.90% are non-families. 21.50% of all households are made up of individuals and 10.10% have someone living alone who is 65 years of age or older. The average household size is 3.01 and the average family size is 3.51.
In the county the population is spread out with 31.60% under the age of 18, 10.30% from 18 to 24, 26.90% from 25 to 44, 19.80% from 45 to 64, and 11.40% who are 65 years of age or older. The median age is 32 years. For every 100 females there are 103.40 males. For every 100 females age 18 and over, there are 103.80 males.
The median income for a household in the county is $35,062, and the median income for a family is $40,138. Males have a median income of $32,210 versus $21,521 for females. The per capita income for the county is $14,730. 16.10% of the population and 13.00% of families are below the poverty line. Out of the total population, 19.50% of those under the age of 18 and 8.20% of those 65 and older are living below the poverty line.