Grinnell, Iowa Population 2024

9,451

Grinnell Demographics

According to the most recent ACS, the racial composition of Grinnell was:

  • White: 89.17%
  • Asian: 4.22%
  • Two or more races: 3.3%
  • Black or African American: 2.22%
  • Other race: 1.09%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
State
Iowa
Land Area (mi²)
5.7 sq mi
Density (mi²)
1,661.20/sq mi
Growth Since 2020
-0.91% (-87)
The current population of Grinnell, Iowa is 9,451 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 9,538.

Population by Race

Race
Population
Percentage (of total)
White8,48189.17%
Asian4014.22%
Two or more races3143.3%
Black or African American2112.22%
Other race1041.09%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Grinnell Population by Race

Grinnell Population Pyramid 2024

Grinnell Median Age

39.1

Total

38.6

Male

39.8

Female

Grinnell Adults

There are 7,659 adults, (2,023 of whom are seniors) in Grinnell.

Grinnell Age Dependency

68.8

Age Dependency Ratio

35.9

Old Age Dependency Ratio

32.9

Child Dependency Ratio

Grinnell Sex Ratio

Female5,15954.24%
Male4,35245.76%

Grinnell Population by Age

Grinnell Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,7182.1564.735.3
Non Family1,8741.1245.354.7
Married1,5063.289.810.2
Female2232.9743.956.1
Male1153.4592.27.8

3.13

Average Family Size

2.15

Average Household Size

64.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Grinnell Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1232.13%
Associates Degree4758.24%
Bachelors Degree1,15420.02%
Graduate Degree1,12319.48%
High School Graduate1,76030.53%
Less Than 9th Grade1793.1%
Some College95116.5%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Grinnell Educational Attainment by Sex (over 25)

Grinnell Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,4415,1762,108
Hispanic15311671
2+ Races945722
Black808036
Asian626262
Other Race14142

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Grinnell Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$46,486$55,163$43,068
Graduate Degree$71,393$72,214$62,331
High School Graduate$39,881$32,135$52,361
Less Than 9th Grade$47,580$48,324$25,556
Overall$48,728$53,527$45,531
Some College$40,052$65,506$21,558

$48,728

Average Earnings

$53,527

Average Male

$45,531

Average Female

Grinnell Earnings by Educational Attainment

Grinnell Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Grinnell Language

92.62% of Grinnell residents speak only English, while 7.38% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.62% of the population.

Grinnell Language

Grinnell Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,40677210.42%
Multiple2154219.53%
Hispanic2003718.5%

10.19%

Overall Poverty Rate

3.16%

Male Poverty Rate

16.64%

Female Poverty Rate

Poverty in Grinnell

The race most likely to be in poverty in Grinnell is Multiple, with 19.53% below the poverty level.

The race least likely to be in poverty in Grinnell is White, with 10.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.29%. Among those working part-time, it was 11.63%, and for those that did not work, the poverty rate was 26.57%.

Grinnell Poverty

rate

Rate
Poverty
Less Than 9th Grade25.17%
Some College21.58%
High School16.77%
Bachelors or Greater2.52%

Grinnell Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed82.14%
Male Unemployed21.09%
Female Employed3.34%
Male Employed1.13%

Grinnell Poverty Rate by Employment Status and Sex

Grinnell Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$100,985$137,316
Households$57,813$90,744
Married Families$114,565$-999,999,999
Non Families$36,792$43,339

mean

median

Income by Household Type

Grinnell Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

38.8%

Overall Marriage Rate

43.2%

Male Marriage Rate

35.2%

Female Marriage Rate

Grinnell Married by Age and Sex

male

female

Grinnell Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Grinnell Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Grinnell Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

482

Number of Veterans

451

Male Veterans

31

Female Veterans

War
Veterans
Vietnam243
First Gulf War95
Second Gulf War39
Korea22
World War II0

Grinnell Veterans by War

count

Age Group
Veterans
75+156
65 to 74155
55 to 6487
35 to 5484
18 to 340

Grinnell Veterans by Age

count

Name
Veterans
% of Total
White4766.99%
2+ Races63.11%
Hispanic61.94%

Grinnell Veterans by Race

Grinnell Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.73%

Veteran Poverty Rate

34.23%

Veteran Disability Rate

Grinnell Veterans by Education

LaborForceParticipation

59.2%

Labor Force Participation

56.8%

Employment Rate

4%

Unemployment Rate

Grinnell Employment by Age

LaborForceParticipation

Grinnell Employment by Race

LaborForceParticipation

Grinnell Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

60.51%

Born in Grinnell

94.87%

Native Born

5.13%

Foreign Born

4.15%

Non Citizen

0.98%

Naturalized

Place of Birth

94.87% of Grinnell residents were born in the United States, with 60.51% having been born in Iowa. 4.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Grinnell Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20299,343-21-0.22%
20289,364-22-0.23%
20279,386-22-0.23%
20269,408-21-0.22%
20259,429-22-0.23%
20249,451-22-0.23%
20239,473-48-0.5%
20229,521-34-0.36%
20219,555170.18%
20209,5384064.45%
20199,132160.18%
20189,116780.86%
20179,038670.75%
20168,971-58-0.64%
20159,029-42-0.46%
20149,071150.17%
20139,056-53-0.58%
20129,109-94-1.02%
20119,203-18-0.2%
20109,22100%
20009,1052032.28%
19908,902340.38%
19808,8684665.55%
19708,4021,03514.05%
19607,3675397.89%
19506,8281,61831.06%
19405,2102615.27%
19304,949-413-7.7%
19205,3623266.47%
19105,0361,17630.47%
19003,86052815.85%
18903,332-6,011-64.34%

Grinnell Population by Year