Grimes Flag

Grimes

County:
Polk County
County Seat:
No
Area (mi²):
13.847
State:
Iowa

Grimes is a city located in Polk County, Iowa. Grimes has a 2026 population of 18,040. Grimes is currently growing at a rate of 2.19% annually and its population has increased by 14.77% since the most recent census, which recorded a population of 15,718 in 2020.

The median household income in Grimes is $120,037 with a poverty rate of 4.42%. The median age in Grimes is 35.4 years: 30.3 years for males, and 39.6 years for females. For every 100 females there are 109.6 males.

18K
Total Population
1,303
Density (mi²)
387 2.19%
Growth

Grimes Population

Grimes Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618,0403872.19%
202517,6533872.24%
202417,2667374.46%
202316,5291390.85%
202216,3902921.81%
202116,0983802.42%
202015,7182051.32%
201914,8171,2839.48%
201813,5348186.43%
201712,7168106.8%
201611,9066115.41%
201511,2951,08810.66%
201410,2075635.84%
20139,6444104.44%
20129,2343634.09%
20118,8714595.46%
20108,4121662.01%
20005,0982,44592.16%
19902,65300%

Median Age

Overall: 35.4 years
Female: 39.6 years
Male: 30.3 years

Grimes Adults

There are 11,859 adults, (1,199 of whom are seniors) in Grimes.

Sex Ratio

Female: 7,810 (47.7%)
Male: 8,556 (52.3%)

Demographics

The racial composition of Grimes includes 83.59% White, 6.18% Black or African American, 4.64% Asian, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,68183.59%
Black or African American1,0116.18%
Two or more races7674.69%
Asian7594.64%
Other race1460.89%
Native American20.01%
Race
Population ↓
Percentage (of total)
Two or more races3932.4%
White3282%
Other race1430.87%
Race
Population ↓
Percentage (of total)
White13,35381.59%
Black or African American1,0116.18%
Asian7594.64%
Two or more races3742.29%
Other race30.02%
Native American20.01%

Grimes Marital Status

Economics and Income Statistics

Grimes ' average per capita income is $65,272. Household income levels show a median of $120,037. The poverty rate stands at 4.42%.

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$147,656-
Families$134,857$145,680
Households$120,037$127,689
Non Families$63,580$87,184

$65,272

Average Income

$120,037

Median Household Income

4.42%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)