Hamilton (Kalispel-Pend d’Oreille: čɫc̓lc̓lé) is a city in and the county seat of Ravalli County, Montana, United States. The population was 4,348 at the 2010 census. Significant outlying population growth is shown in the area; the ZIP Code Tabulation Area for Hamilton’s ZIP Code, 59840, had a population of 12,979 at the United States Census Bureau 2013 estimate.
If the city of Hamilton annexed all the area in its zipcode it would be the 8th largest city in Montana.
As of the census of 2010, there were 4,348 people, 2,175 households, and 1,006 families residing in the city. The population density was 1,718.6 inhabitants per square mile (663.6/km). There were 2,456 housing units at an average density of 970.8 per square mile (374.8/km). The racial makeup of the city was 95.0% White, 0.3% African American, 0.6% Native American, 1.4% Asian, 0.2% from other races, and 2.5% from two or more races. Hispanic or Latino of any race were 3.1% of the population.
There were 2,175 households of which 23.6% had children under the age of 18 living with them, 30.6% were married couples living together, 11.7% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 53.7% were non-families. 47.0% of all households were made up of individuals and 22.8% had someone living alone who was 65 years of age or older. The average household size was 1.92 and the average family size was 2.72.
The median age in the city was 43 years. 20.1% of residents were under the age of 18; 7.4% were between the ages of 18 and 24; 24.4% were from 25 to 44; 23.4% were from 45 to 64; and 24.7% were 65 years of age or older. The gender makeup of the city was 46.6% male and 53.4% female.
As of the census of 2000, there were 3,705 people, 1,772 households, and 855 families residing in the city. The population density was 1,603.6 people per square mile (619.3/km²). There were 1,915 housing units at an average density of 828.8 per square mile (320.1/km²). The racial makeup of the city was 96.22% White, 0.11% African American, 0.89% Native American, 0.78% Asian, 0.22% from other races, and 1.78% from two or more races. Hispanic or Latino of any race were 1.65% of the population.
There were 1,772 households out of which 22.3% had children under the age of 18 living with them, 36.3% were married couples living together, 9.5% had a female householder with no husband present, and 51.7% were non-families. 47.6% of all households were made up of individuals and 24.9% had someone living alone who was 65 years of age or older. The average household size was 1.95 and the average family size was 2.81.
In the city, the population was spread out with 20.2% under the age of 18, 6.8% from 18 to 24, 24.0% from 25 to 44, 20.6% from 45 to 64, and 28.3% who were 65 years of age or older. The median age was 44 years. For every 100 females, there were 82.2 males. For every 100 females age 18 and over, there were 74.9 males.
The median income for a household in the city was $22,013, and the median income for a family was $30,665. Males had a median income of $25,795 versus $22,138 for females. The per capita income for the city was $14,689. About 14.3% of families and 17.8% of the population were below the poverty line, including 28.4% of those under age 18 and 15.3% of those age 65 or over.
Hamilton Montana neighborhoods include: Arrow Hill, Bowman, Hamilton City, N Gold Creek