There were 2,005 households out of which 40.6% had children under the age of 18 living with them, 71.8% were married couples living together, 6.6% had a female householder with no husband present, and 18.9% were non-families. 13.8% of all households were made up of individuals and 3.6% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.11.
In the town the population was spread out with 27.4% under the age of 18, 4.6% from 18 to 24, 29.9% from 25 to 44, 29.9% from 45 to 64, and 8.3% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 99.7 males. For every 100 females age 18 and over, there were 94.2 males.
The median income for a household in the town was $80,265, and the median income for a family was $90,346. Males had a median income of $53,789 versus $41,959 for females. The per capita income for the town was $35,605. About 1.0% of families and 2.2% of the population were below the poverty line, including none of those under age 18 and 9.5% of those age 65 or over.
The beginnings of the town can be traced back the opening of Sadler's Ordinary in 1648 -- which is still in business today. Marlborough was incorporated in 1803 with land from three neighboring towns: Glastonbury, Colchester & Hebron.
Although the town is small it is conveniently surrounded by many larger communities and is just minutes away from a Stop and Shop, Shaws, Blockbuster, Mall(s). Several cities are 10 to 20 minutes away. Despite its small size the town has several small communities. The town's elementary school, Elmer-Thienes, was recently renovated. In the fall the Hebron Harvest Fair is right down route 85.
| Voter Registration and Party Enrollment as of October 25, 2005 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Party | Active Voters | Inactive Voters | Total Voters | Percentage | Democratic | 1,139 | 10 | 1,149 | 28.11% | Republican | 1,008 | 21 | 1,029 | 25.17% | Unaffiliated | 1,876 | 32 | 1,908 | 46.67% | Minor Parties | 2 | 0 | 2 | 0.05% | |
| Total | 4,025 | 63 | 4,088 | 100% | |||||||||||||||||||||