Grinnell, Iowa Population 2023

9,669

Grinnell is a city located in Poweshiek County Iowa. With a 2023 population of 9,669, it is the 43rd largest city in Iowa and the 4244th largest city in the United States.Grinnell is currently growing at a rate of 0.36% annually and its population has increased by 1.1% since the most recent census, which recorded a population of 9,564 in 2020. Spanning over 6 miles, Grinnell has a population density of 1,709 people per square mile.

The average household income in Grinnell is $68,673 with a poverty rate of 10.59%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Grinnell is 40 years, 36.5 years for males, and 41.3 years for females.

Grinnell Demographics

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

  • White: 90.51%
  • Asian: 4.49%
  • Black or African American: 2.53%
  • Two or more races: 1.96%
  • Other race: 0.52%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
The current population of Grinnell, Iowa is 9,669 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 9,564.

Grinnell, Iowa Population 2023

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Grinnell Population by Race

Grinnell Population Pyramid 2023

Grinnell Median Age

40

Total

36.5

Male

41.3

Female

Grinnell Adults

There are 7,481 adults, (2,068 of whom are seniors) in Grinnell.

Grinnell Age Dependency

67.5

Age Dependency Ratio

38.2

Old Age Dependency Ratio

29.3

Child Dependency Ratio

Grinnell Sex Ratio

Female4,90554.09%
Male4,16445.91%

Grinnell Population by Age

Grinnell Renter vs Owner Occupied by Household Type

2.89

Average Family Size

2.01

Average Household Size

57.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Grinnell Households and Families

Male

Female

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

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

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

Grinnell Educational Attainment by Race

All

Male

Female

$43,238

Average Earnings

$47,421

Average Male

$40,273

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

93.42% of Grinnell residents speak only English, while 6.58% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.6% of the population.

Grinnell Language

Grinnell Poverty by Race

rate

10.59%

Overall Poverty Rate

6.22%

Male Poverty Rate

15.52%

Female Poverty Rate

Poverty in Grinnell

The race most likely to be in poverty in Grinnell is Black, with 35.75% below the poverty level.

The race least likely to be in poverty in Grinnell is Asian, with 4.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.7%. Among those working part-time, it was 20.95%, and for those that did not work, the poverty rate was 15.21%.

Grinnell Poverty

Grinnell Poverty Rate by Education

Grinnell Poverty Rate by Employment Status and Sex

Grinnell Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Grinnell Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

38.0%

Overall Marriage Rate

42.0%

Male Marriage Rate

34.8%

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

523

Number of Veterans

476

Male Veterans

47

Female Veterans

Grinnell Veterans by War

Grinnell Veterans by Age

count

Grinnell Veterans by Race

Grinnell Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.86%

Veteran Poverty Rate

29.48%

Veteran Disability Rate

Grinnell Veterans by Education

LaborForceParticipation

63%

Labor Force Participation

59%

Employment Rate

6.3%

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

59.16%

Born in Grinnell

90.83%

Native Born

3.99%

Foreign Born

3.47%

Non Citizen

0.52%

Naturalized

Place of Birth

90.83% of Grinnell residents were born in the United States, with 59.16% having been born in Iowa. 3.47% 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 2020 is projected based on recent growth

Grinnell Population by Year