As of the 2010 census, Alford had 507 residents and 342 households, which included 488 legal voters. The tax rate was $4.25 for fiscal year 2009. For more detailed and updated information, you can pick up the Annual Report booklet at the Town Offices, which is printed every January.
As of the 2000 census, there were 399 residents and 279 households. There were 114 families residing in the town. By population, Alford ranks twenty-ninth out of the 32 cities and towns in Berkshire County, and is ninth-smallest of the 351 cities and towns in Massachusetts. The population density was 34.5 people per square mile (13.3/km²), which ranks 21st in the county and 326th in the Commonwealth. The average housing density was 24.1/sq mi (9.3/km²). The racial makeup of the town was 99.00% White, 0.75% African American, and 0.25% from two or more races.
There were 171 full-time residences, out of which 22.8% had children under the age of 18 living with them, 59.6% were married couples living together, 4.7% had a female householder with no husband present, and 33.3% were non-families. 29.8% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.87.
In the town the population was spread out with 20.8% under the age of 18, 3.5% from 18 to 24, 18.0% from 25 to 44, 41.6% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 50 years. For every 100 females there were 89.1 males. For every 100 females age 18 and over, there were 93.9 males.
The median income for a household in the town was $49,632, and the median income for a family was $62,344. Males had a median income of $47,083 versus $28,929 for females. The per capita income for the town was $40,412. About 2.8% of families and 4.1% of the population were below the poverty line, including 5.2% of those under age 18 and 6.8% of those age 65 or over.