Walker is a city in Kent County in the U.S. state of Michigan and a suburb of Grand Rapids. The population was 23,537 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 25.48 square miles (65.99 km²), of which, 24.94 square miles (64.59 km²) of it is land and 0.54 square miles (1.40 km²) is water.
As of the census of 2010, there were 23,537 people, 9,684 households, and 5,923 families residing in the city. The population density was 943.7 inhabitants per square mile (364.4/km²). There were 10,432 housing units at an average density of 418.3 per square mile (161.5/km²). The racial makeup of the city was 91.3% White, 2.8% African American, 0.5% Native American, 1.9% Asian, 1.4% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 4.1% of the population.
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