Grimes

County:: Polk County
County Seat:: No
Area (mi²):: 12.007
State:: Iowa

Grimes is a city located in Polk County, Iowa. Grimes has a 2025 population of 16,869. Grimes is currently growing at a rate of 1.53% annually and its population has increased by 8.13% since the most recent census, which recorded a population of 15,601 in 2020.

The average household income in Grimes is $114,884 with a poverty rate of 6.83%.The median age in Grimes is 34.3 years: 30.7 years for males, and 39.2 years for females.

Demographics

The racial composition of Grimes includes 87.88% White, 3.56% Asian, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	13,894	87.88%
Two or more races	821	5.19%
Asian	563	3.56%
Black or African American	368	2.33%
Other race	164	1.04%

Grimes Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grimes' average per capita income is $64,151. Household income levels show a median of $104,497. The poverty rate stands at 6.83%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$136,109	-
Families	$125,929	$134,687
Households	$104,497	$114,884
Non Families	$62,915	$80,448

$64,151

Average Income

$104,497

Median Household Income

6.83%

Poverty Rate