Gallatin County, Montana

Gallatin County is a located in the  of. It is named for the. As of 2000, the population was 67,831. Its is. It is named for,.

Geography
According to the, the county has a total area of 6,816 (2,632 ). 6,749 km² (2,606 sq mi) of it is land and 67 km² (26 sq mi) of it (0.99%) is water. The county attained its present boundaries on, when the former   was dissolved and apportioned between Gallatin County and Park County. Gallatin County received 256.81 km² (99.155 sq mi) of land area and 0.309 km² (0.119 sq mi) of water area, whereas Park County received 378.73 km² (146.229 sq mi) of land area and 1.575 km² (0.608 sq mi) of water area. The geographies transferred are known now as Census Tract 14 in Gallatin County, and as Census Tract 6 in Park County.

Adjacent counties

 * , Montana - west
 * , Montana - northwest
 * , Montana - north
 * , Montana - northeast
 * , Montana - east
 * , - southeast
 * , Wyoming - southeast
 * , - southwest

Demographics
As of the of 2000, there were 67,831 people, 26,323 households, and 16,188 families residing in the county. The was 10/km² (26/sq mi). There were 29,489 housing units at an average density of 4/km² (11/sq mi). The racial makeup of the county was 96.20%, 0.23% or , 0.88% , 0.89% , 0.06% , 0.54% from , and 1.19% from two or more races. 1.54% of the population were or  of any race. 23.7% were of, 11.2% , 10.4% , 9.0% and 5.5%  ancestry according to.

There were 26,323 households out of which 29.70% had children under the age of 18 living with them, 51.80% were living together, 6.60% had a female householder with no husband present, and 38.50% were non-families. 24.10% of all households were made up of individuals and 5.70% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.94.

In the county the population was spread out with 22.00% under the age of 18, 18.50% from 18 to 24, 30.40% from 25 to 44, 20.60% from 45 to 64, and 8.50% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 108.30 males. For every 100 females age 18 and over, there were 108.70 males.

The median income for a household in the county was $38,120, and the median income for a family was $46,639. Males had a median income of $30,866 versus $21,330 for females. The for the county was $19,074. About 6.30% of families and 12.80% of the population were below the, including 10.50% of those under age 18 and 5.60% of those age 65 or over.

Notable residents

 * , from Montana, lived in Gallatin County.