Passage: As of the census of 2010, there were 672 people, 304 households, and 164 families residing in the city. The population density was 700.0 inhabitants per square mile (270.3/km2). There were 336 housing units at an average density of 350.0 per square mile (135.1/km2). The racial makeup of the city was 99.7% White, 0.1% from other races, and 0.1% from two or more races. Hispanic or Latino of any race were 0.6% of the population.

Question: How many people were in the city as of 2010?
672 people