Grinnell, Iowa Population 2023

9,435

Grinnell is a city located in Poweshiek County Iowa. Grinnell has a 2023 population of 9,435. Grinnell is currently declining at a rate of -0.41% annually and its population has decreased by -1.22% since the most recent census, which recorded a population of 9,552 in 2020.

The average household income in Grinnell is $80,272 with a poverty rate of 12.49%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Grinnell is 38.6 years, 34.1 years for males, and 40.5 years for females.

Grinnell Demographics

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

  • White: 89.81%
  • Asian: 4.1%
  • Two or more races: 2.83%
  • Black or African American: 2.28%
  • Other race: 0.98%
  • Native American:
  • Native Hawaiian or Pacific Islander:
State
Iowa
Land Area (mi²)
5.7 sq mi
Density (mi²)
1,667.90/sq mi
Growth Rate
-0.41% (-39)
Growth Since 2020
-1.22% (-117)
The current population of Grinnell, Iowa is 9,435 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 9,552.

Grinnell, Iowa Population 2023

Population by Race

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Race
Population
Percentage (of total)
White8,51589.81%
Asian3894.1%
Two or more races2682.83%
Black or African American2162.28%
Other race930.98%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

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 2023

Grinnell Median Age

38.6

Total

34.1

Male

40.5

Female

Grinnell Adults

There are 7,685 adults, (2,017 of whom are seniors) in Grinnell.

Grinnell Age Dependency

67.3

Age Dependency Ratio

35.6

Old Age Dependency Ratio

31.7

Child Dependency Ratio

Grinnell Sex Ratio

Female5,11453.94%
Male4,36746.06%

Grinnell Population by Age

Grinnell Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,7662.1359.240.8
Non Family1,9411.124060
Married1,3953.38713
Female2872.643961
Male1433.3189.510.5
showing: 5 rows

3.11

Average Family Size

2.13

Average Household Size

59.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Grinnell Households and Families

Male

Female

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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

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The highest rate of high school graduation is among white people with a rate of 72.13%.

The highest rate of bachelors degrees is among white people with a rate of 30.31%.

Grinnell Educational Attainment by Race

All

Male

Female

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$44,097

Average Earnings

$49,464

Average Male

$39,274

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

94.19% of Grinnell residents speak only English, while 5.81% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.24% of the population.

Grinnell Language

Grinnell Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White7,53290612.03%
Black1385136.96%
Multiple1734425.43%
Hispanic1584025.32%
showing: 4 rows

12.49%

Overall Poverty Rate

5.63%

Male Poverty Rate

18.78%

Female Poverty Rate

Poverty in Grinnell

The race most likely to be in poverty in Grinnell is Black, with 36.96% below the poverty level.

The race least likely to be in poverty in Grinnell is White, with 12.03% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.38%. Among those working part-time, it was 20.11%, and for those that did not work, the poverty rate was 23.84%.

Grinnell Poverty

rate

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Rate
Poverty
Some College23.43%
Less Than 9th Grade21.86%
High School13.01%
Bachelors or Greater5.18%
showing: 4 rows

Grinnell Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed86.96%
Male Unemployed9.96%
Female Employed8.82%
Male Employed3.63%
showing: 4 rows

Grinnell Poverty Rate by Employment Status and Sex

Grinnell Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Grinnell Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

36.3%

Overall Marriage Rate

40.0%

Male Marriage Rate

33.2%

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 45-54.

Grinnell Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Grinnell Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

527

Number of Veterans

470

Male Veterans

57

Female Veterans

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Grinnell Veterans by War

count

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Grinnell Veterans by Age

count

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Grinnell Veterans by Race

Grinnell Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.98%

Veteran Poverty Rate

33.53%

Veteran Disability Rate

Grinnell Veterans by Education

LaborForceParticipation

61.6%

Labor Force Participation

57.3%

Employment Rate

7%

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

73.71%

Born in Grinnell

113.71%

Native Born

4.58%

Foreign Born

3.57%

Non Citizen

1.01%

Naturalized

Place of Birth

113.71% of Grinnell residents were born in the United States, with 73.71% having been born in Iowa. 3.57% 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 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
18903,332-5,8740.73%
19003,8605281.48%
19105,0361,1762.7%
19205,3623260.63%
19304,949-413-0.8%
19405,2102610.52%
19506,8281,6182.74%
19607,3675390.76%
19708,4021,0351.32%
19808,8684660.54%
19908,902340.04%
20009,1052030.23%
20109,218
20119,253350.38%
20129,288350.38%
20139,323350.38%
20149,358350.38%
20159,393350.37%
20169,428350.37%
20179,463350.37%
20189,498350.37%
20199,533350.37%
20209,552190.2%
20219,513-39-0.41%
20229,474-39-0.41%
20239,435-39-0.41%
20249,396-39-0.41%
20259,358-38-0.4%
20269,320-38-0.41%
20279,282-38-0.41%
20289,244-38-0.41%
20299,206-38-0.41%
showing: 32 rows

Grinnell Population by Year