Grimes is a city in Polk and Dallas counties in the U.S. state of Iowa.

[5] It is named after James W. Grimes, a former U.S. senator and the third governor of Iowa.

[7] As of the census of 2020,[10] there were 15,392 people, 5,708 households, and 4,086 families residing in the city.

There were 6,062 housing units at an average density of 512.3 per square mile (197.8/km2).

Hispanic or Latino persons of any race comprised 4.4% of the population.

There were 3,272 housing units at an average density of 276.4 per square mile (106.7/km2).

21.7% of all households were made up of individuals, and 4.5% had someone living alone who was 65 years of age or older.

There were 1,958 housing units at an average density of 218.7 per square mile (84.4/km2).

19.6% of all households were made up of individuals, and 5.0% had someone living alone who was 65 years of age or older.

Japanese animation distributor and online retailer The Right Stuf International was headquartered in Grimes.

[14] Grimes' city council meets the second and fourth Tuesday of the month.

In Grimes, Iowa 141 passes through the central half of the city.

Buses on Route 93 provide express service from downtown Des Moines to Grimes.