Hamlet is located at 41°22'54" North, 86°35'5" West (41.381708, -86.584697)1.
As of the census2 of 2000, there are 820 people, 307 households, and 225 families residing in the town. The population density is 326.4/km² (849.5/mi²). There are 336 housing units at an average density of 133.7/km² (348.1/mi²). The racial makeup of the town is 98.05% White, 0.12% African American, 0.37% Native American, 0.00% Asian, 0.49% Pacific Islander, 0.24% from other races, and 0.73% from two or more races. 1.34% of the population are Hispanic or Latino of any race.
There are 307 households out of which 40.4% have children under the age of 18 living with them, 54.7% are married couples living together, 12.7% have a female householder with no husband present, and 26.4% are non-families. 21.2% of all households are made up of individuals and 6.2% have someone living alone who is 65 years of age or older. The average household size is 2.67 and the average family size is 3.08.
In the town the population is spread out with 30.9% under the age of 18, 7.9% from 18 to 24, 31.8% from 25 to 44, 21.3% from 45 to 64, and 8.0% who are 65 years of age or older. The median age is 32 years. For every 100 females there are 103.5 males. For every 100 females age 18 and over, there are 96.2 males.
The median income for a household in the town is $30,750, and the median income for a family is $36,389. Males have a median income of $28,036 versus $20,921 for females. The per capita income for the town is $12,811. 17.3% of the population and 15.4% of families are below the poverty line. Out of the total population, 23.1% of those under the age of 18 and 15.0% of those 65 and older are living below the poverty line.