Science Fair Project Encyclopedia
Yellowstone County, Montana
As of the census2 of 2000, there are 129,352 people, 52,084 households, and 34,219 families residing in the county. The population density is 19/km² (49/mi²). There are 54,563 housing units at an average density of 8/km² (21/mi²). The racial makeup of the county is 92.78% White, 0.45% Black or African American, 3.05% Native American, 0.54% Asian, 0.04% Pacific Islander, 1.26% from other races, and 1.87% from two or more races. 3.70% of the population are Hispanic or Latino of any race.
There are 52,084 households out of which 31.60% have children under the age of 18 living with them, 51.80% are married couples living together, 10.10% have a female householder with no husband present, and 34.30% are non-families. 27.90% 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 2.43 and the average family size is 2.98.
In the county the population is spread out with 25.50% under the age of 18, 9.30% from 18 to 24, 28.70% from 25 to 44, 23.20% from 45 to 64, and 13.30% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 95.20 males. For every 100 females age 18 and over, there are 91.60 males.
The median income for a household in the county is $36,727, and the median income for a family is $45,277. Males have a median income of $33,475 versus $21,566 for females. The per capita income for the county is $19,303. 11.10% of the population and 8.50% of families are below the poverty line. Out of the total population, 14.50% of those under the age of 18 and 7.40% of those 65 and older are living below the poverty line.
Cities and towns
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