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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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