Grinnell is a city located in Jasper County and Poweshiek County Iowa. Grinnell has a 2024 population of 9,448. Grinnell is currently declining at a rate of -0.23% annually and its population has decreased by -0.94% since the most recent census, which recorded a population of 9,538 in 2020.
The average household income in Grinnell is $90,744 with a poverty rate of 10.19%. The median age in Grinnell is 39.1 years: 38.6 years for males, and 39.8 years for females.
According to the most recent ACS, the racial composition of Grinnell was:
White
Asian
Two or more races
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 3,718 | 2.15 | 64.7 | 35.3 |
| Non Family | 1,874 | 1.12 | 45.3 | 54.7 |
| Married | 1,506 | 3.2 | 89.8 | 10.2 |
| Female | 223 | 2.97 | 43.9 | 56.1 |
| Male | 115 | 3.45 | 92.2 | 7.8 |
3.13
Average Family Size
2.15
Average Household Size
64.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$48,728
Average Earnings
$53,527
Average Male
$45,531
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
10.19%
Overall Poverty Rate
3.16%
Male Poverty Rate
16.64%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
38.8%
Overall Marriage Rate
43.2%
Male Marriage Rate
35.2%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.73%
Veteran Poverty Rate
34.23%
Veteran Disability Rate
LaborForceParticipation
59.2%
Labor Force Participation
56.8%
Employment Rate
4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 9,335 | -23 | -0.25% |
| 2028 | 9,358 | -22 | -0.23% |
| 2027 | 9,380 | -23 | -0.24% |
| 2026 | 9,403 | -22 | -0.23% |
| 2025 | 9,425 | -23 | -0.24% |
| 2024 | 9,448 | -22 | -0.23% |
| 2023 | 9,470 | -23 | -0.24% |
| 2022 | 9,493 | -55 | -0.58% |
| 2021 | 9,548 | 10 | 0.1% |
| 2020 | 9,538 | 406 | 4.45% |
| 2019 | 9,132 | 16 | 0.18% |
| 2018 | 9,116 | 78 | 0.86% |
| 2017 | 9,038 | 67 | 0.75% |
| 2016 | 8,971 | -58 | -0.64% |
| 2015 | 9,029 | -42 | -0.46% |
| 2014 | 9,071 | 15 | 0.17% |
| 2013 | 9,056 | -53 | -0.58% |
| 2012 | 9,109 | -94 | -1.02% |
| 2011 | 9,203 | -18 | -0.2% |
| 2010 | 9,221 | 0 | 0% |
| 2000 | 9,105 | 203 | 2.28% |
| 1990 | 8,902 | 34 | 0.38% |
| 1980 | 8,868 | 466 | 5.55% |
| 1970 | 8,402 | 1,035 | 14.05% |
| 1960 | 7,367 | 539 | 7.89% |
| 1950 | 6,828 | 1,618 | 31.06% |
| 1940 | 5,210 | 261 | 5.27% |
| 1930 | 4,949 | -413 | -7.7% |
| 1920 | 5,362 | 326 | 6.47% |
| 1910 | 5,036 | 1,176 | 30.47% |
| 1900 | 3,860 | 528 | 15.85% |
| 1890 | 3,332 | -6,003 | -64.31% |