Custer County is a county located in the U.S. state of Montana. As of 2000, the population is 11,696. Its county seat is Miles City. It is named in honor of George Armstrong Custer.
According to the U.S. Census Bureau
, the county has a total area of 3,793 square miles
), of which, 3,783 square miles (9,798 km²) of it is land and 10 square miles (26 km²) of it (0.27%) is water.
As of the census
of 2000, there were 11,696 people, 4,768 households, and 3,089 families residing in the county. The population density
was 3 people per square mile (1/km²). There were 5,360 housing units at an average density of 1 per square mile (1/km²). The racial makeup of the county was 97.02% White
, 0.09% Black
or African American
, 1.27% Native American
, 0.26% Asian
, 0.05% Pacific Islander
, 0.34% from other races
, and 0.97% from two or more races. 1.51% of the population were Hispanic
of any race. 34.3% were of German
, 12.0% Norwegian
, 8.4% English
, 8.3% Irish
and 5.4% American
ancestry according to Census 2000
. 96.8% spoke English
, 1.5% Spanish
and 1.2% German
as their first language.
There were 4,768 households out of which 30.40% had children under the age of 18 living with them, 51.10% were married couples living together, 10.00% had a female householder with no husband present, and 35.20% were non-families. 29.90% of all households were made up of individuals and 12.30% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.94.
In the county the population was spread out with 25.10% under the age of 18, 8.40% from 18 to 24, 25.60% from 25 to 44, 23.80% from 45 to 64, and 17.10% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 95.80 males. For every 100 females age 18 and over, there were 91.20 males.
The median income for a household in the county was $30,000, and the median income for a family was $38,779. Males had a median income of $27,857 versus $18,343 for females. The per capita income for the county was $15,876. About 10.10% of families and 15.10% of the population were below the poverty line, including 18.10% of those under age 18 and 9.10% of those age 65 or over.