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.
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 | 3,766 | 2.13 | 59.2 | 40.8 |
| Non Family | 1,941 | 1.12 | 40 | 60 |
| Married | 1,395 | 3.3 | 87 | 13 |
| Female | 287 | 2.64 | 39 | 61 |
| Male | 143 | 3.31 | 89.5 | 10.5 |
3.11
Average Family Size
2.13
Average Household Size
59.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
12.49%
Overall Poverty Rate
5.63%
Male Poverty Rate
18.78%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
36.3%
Overall Marriage Rate
40.0%
Male Marriage Rate
33.2%
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
1.98%
Veteran Poverty Rate
33.53%
Veteran Disability Rate
LaborForceParticipation
61.6%
Labor Force Participation
57.3%
Employment Rate
7%
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
73.71%
Born in Grinnell
113.71%
Native Born
4.58%
Foreign Born
3.57%
Non Citizen
1.01%
Naturalized
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 1890 | 3,332 | -5,874 | 0.73% |
| 1900 | 3,860 | 528 | 1.48% |
| 1910 | 5,036 | 1,176 | 2.7% |
| 1920 | 5,362 | 326 | 0.63% |
| 1930 | 4,949 | -413 | -0.8% |
| 1940 | 5,210 | 261 | 0.52% |
| 1950 | 6,828 | 1,618 | 2.74% |
| 1960 | 7,367 | 539 | 0.76% |
| 1970 | 8,402 | 1,035 | 1.32% |
| 1980 | 8,868 | 466 | 0.54% |
| 1990 | 8,902 | 34 | 0.04% |
| 2000 | 9,105 | 203 | 0.23% |
| 2010 | 9,218 | ||
| 2011 | 9,253 | 35 | 0.38% |
| 2012 | 9,288 | 35 | 0.38% |
| 2013 | 9,323 | 35 | 0.38% |
| 2014 | 9,358 | 35 | 0.38% |
| 2015 | 9,393 | 35 | 0.37% |
| 2016 | 9,428 | 35 | 0.37% |
| 2017 | 9,463 | 35 | 0.37% |
| 2018 | 9,498 | 35 | 0.37% |
| 2019 | 9,533 | 35 | 0.37% |
| 2020 | 9,552 | 19 | 0.2% |
| 2021 | 9,513 | -39 | -0.41% |
| 2022 | 9,474 | -39 | -0.41% |
| 2023 | 9,435 | -39 | -0.41% |
| 2024 | 9,396 | -39 | -0.41% |
| 2025 | 9,358 | -38 | -0.4% |
| 2026 | 9,320 | -38 | -0.41% |
| 2027 | 9,282 | -38 | -0.41% |
| 2028 | 9,244 | -38 | -0.41% |
| 2029 | 9,206 | -38 | -0.41% |