Geraldine is a town in Chouteau County, Montana, United States. The population was 261 at the 2010 census. The area around the town is an agricultural, largely wheat-producing, region.
Geraldine is located at 47°36′9″N 110°16′4″W / 47.60250°N 110.26778°W / 47.60250; -110.26778 (47.602384, -110.267779).
According to the United States Census Bureau, the town has a total area of 0.52 square miles (1.35 km), all of it land.
As of the census of 2010, there were 261 people, 110 households, and 69 families residing in the town. The population density was 501.9 inhabitants per square mile (193.8/km). There were 140 housing units at an average density of 269.2 per square mile (103.9/km). The racial makeup of the town was 96.9% White, 0.4% Native American, 0.4% from other races, and 2.3% from two or more races. Hispanic or Latino of any race were 2.3% of the population.
There were 110 households of which 31.8% had children under the age of 18 living with them, 45.5% were married couples living together, 10.0% had a female householder with no husband present, 7.3% had a male householder with no wife present, and 37.3% were non-families. 33.6% of all households were made up of individuals and 18.2% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 3.06.
The median age in the town was 45.3 years. 29.9% of residents were under the age of 18; 4.2% were between the ages of 18 and 24; 15.2% were from 25 to 44; 30.7% were from 45 to 64; and 19.9% were 65 years of age or older. The gender makeup of the town was 47.1% male and 52.9% female.
As of the census of 2000, there were 284 people, 115 households, and 79 families residing in the town. The population density was 547.0 people per square mile (210.9/km²). There were 141 housing units at an average density of 271.6 per square mile (104.7/km²). The racial makeup of the town was 99.65% White, and 0.35% from two or more races. Hispanic or Latino of any race were 1.06% of the population.
There were 115 households out of which 37.4% had children under the age of 18 living with them, 60.9% were married couples living together, 5.2% had a female householder with no husband present, and 31.3% were non-families. 29.6% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.09.
In the town, the population was spread out with 29.9% under the age of 18, 5.3% from 18 to 24, 25.7% from 25 to 44, 17.6% from 45 to 64, and 21.5% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 97.2 males. For every 100 females age 18 and over, there were 97.0 males.
The median income for a household in the town was $30,893, and the median income for a family was $36,429. Males had a median income of $25,833 versus $16,250 for females. The per capita income for the town was $15,403. About 2.4% of families and 6.5% of the population were below the poverty line, including 10.2% of those under the age of eighteen and 4.4% of those sixty five or over.