[1] It is 24 miles (39 km) north-northeast of Marysville,[4] at an elevation of 1,184 feet (361 m).

[4] Rackerby first appeared as a census designated place in the 2010 U.S.

The population density was 69.1 inhabitants per square mile (26.7/km2).

The racial makeup of Rackerby was 193 (94.6%) White, 0 (0.0%) African American, 1 (0.5%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 3 (1.5%) from other races, and 7 (3.4%) from two or more races.

147 people (72.1% of the population) lived in owner-occupied housing units and 57 people (27.9%) lived in rental housing units.