Brainards is an unincorporated community and census-designated place (CDP)[8] located within Harmony Township, in Warren County, in the U.S. state of New Jersey, that was created as part of the 2010 United States Census.

[13] According to the United States Census Bureau, the CDP had a total area of 0.184 square miles (0.476 km2), all of which was land.

[4][14] The 2010 United States census counted 202 people, 73 households, and 56 families in the CDP.

There were 79 housing units at an average density of 429.8 per square mile (165.9/km2).

Of all households, 17.8% were made up of individuals and 12.3% had someone living alone who was 65 years of age or older.