As of the census of 2000, there were 437 people, 203 households, and 111 families residing in the city. The population density was 590.0 people per square mile (228.0/km2). There were 250 housing units with an average density of 337.5 per square mile (130.4/km2). The racial makeup of the city was 91.99% White, 0.23% African American, 5.49% Native American, and 2.29% from two or more races. Hispanic or Latino of any race were 0.23% of the population. The ethnicity of Erskine residents was as follows *[http://www.epodunk.com/cgi-bin/genealogyInfo.php?locIndex=21031]: