Erma is an unincorporated community and census-designated place (CDP)[9] located within Lower Township in Cape May County, in the U.S. state of New Jersey.

[5][12] The 2010 United States census counted 2,134 people, 821 households, and 596 families in the CDP.

Of all households, 22.9% were made up of individuals and 9.9% had someone living alone who was 65 years of age or older.

[11] As of the 2000 United States census[6] of 2000, there were 2,088 people, 751 households, and 561 families living in the CDP.

The Cape May Airport is located in Lower Township,[14] and has an Erma postal address though it is not in the CDP.

[15][16] The Lower Township Police Department station has an Erma address but is outside of the CDP.

[15] The Cape May County Herald,[20][21] and the Press of Atlantic City describe the school complex as being in Erma.

People who were born in, residents of, or otherwise closely associated with Erma include: Maps: