Spencerville is a census-designated place in San Juan County, New Mexico, United States.

[4] According to the United States Census Bureau, Spencerville has a total area of 8.64 square kilometers, all land.

The population density was 145.6 inhabitants per square kilometer.

Of the 1,258 inhabitants, Spencerville was composed by 83.23% White, 0.56% were African American, 5.64% were Native American, 0.16% were Asian, 0% were Pacific Islanders, 6.36% were of other races and 4.05% from two or more races.

This New Mexico state location article is a stub.