According to the United States Census Bureau, the village has a total area of 2.2 square miles (5.7 km²), of which, 2.1 square miles (5.3 km²) of it is land and 0.1 square miles (0.3 km²) of it (5.48%) is water.
Old Field Point Light is located on the northern tip of Old Field.
There were 313 households out of which 42.5% had children under the age of 18 living with them, 80.2% were married couples living together, 4.5% had a female householder with no husband present, and 14.1% were non-families. 10.5% of all households were made up of individuals and 4.8% had someone living alone who was 65 years of age or older. The average household size was 3.03 and the average family size was 3.23.
In the village the population was spread out with 30.0% under the age of 18, 4.6% from 18 to 24, 20.9% from 25 to 44, 32.1% from 45 to 64, and 12.4% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 98.9 males. For every 100 females age 18 and over, there were 98.5 males.
The median income for a household in the village was $165,398, and the median income for a family was $192,071. Males had a median income of $100,000 versus $33,594 for females. The per capita income for the village was $73,658. About 2.8% of families and 7.4% of the population were below the poverty line, including 9.5% of those under age 18 and none of those age 65 or over.
The village headquarters of Old Field are located near the light house at the end of Old Field point. Administration of the village of Old Field and the community of Crane Neck (part of Old Field) is done at this headquarters. The current mayor of Old Field is Michael Levine
The village website is located at http://www.oldfieldny.org