Grinnell, IA Demographics

A map of Grinnell's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	8,186	8,339	86.1%	87.2%
Multiracial	488	292	5.1%	3.1%
Asian	372	204	3.9%	2.1%
Hispanic	297	357	3.1%	3.7%
Black	148	305	1.6%	3.2%
Native American/Other	14	67	0.1%	0.7%

Grinnell, Iowa has an estimated population of 9,505, a less than 1% change from the 9,564 recorded in the 2020 Census. The population is 86.1% White, 5.1% Multiracial, 3.9% Asian, 3.1% Hispanic, 1.6% Black, and 0.1% Native American/Other. This demographic dot map shows the population of Grinnell, with one dot drawn for each person counted by the Census, color-coded by race.

Grinnell has become more racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Grinnell, that probability was 23.6% in 2020 and 25.3% in the most recent ACS estimates.

Grinnell is ranked the 44th most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Grinnell was ranked the 44th most populous place in the 2020 Census.

Grinnell's White Population

8,186 residents of Grinnell, or 86.1% of the population, identify as White. The share of White residents in Grinnell is slightly higher than in Iowa overall, where 82.3% of the population is White. Grinnell ranks 851st statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's White population has declined by an estimated 1.8%. White residents' share of Grinnell's population has decreased from 87.2% to 86.1%.

Grinnell is less White than neighboring Oakland Acres (97.4% White), Gilman (95% White), Searsboro (98.2% White), Malcom (93.7% White), and Lynnville (97.5% White).

Grinnell's Black Population

148 residents of Grinnell, or 1.6% of the population, identify as Black. The share of Black residents in Grinnell is slightly lower than in Iowa overall, where 3.8% of the population is Black. Grinnell ranks 60th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's Black population has declined by an estimated 51.5%. Black residents' share of Grinnell's population has decreased from 3.2% to 1.6%.

Grinnell is more Black than neighboring Oakland Acres (0% Black), Gilman (0% Black), Searsboro (0.9% Black), Malcom (0% Black), and Lynnville (0% Black).

Grinnell's Asian Population

372 residents of Grinnell, or 3.9% of the population, identify as Asian. The share of Asian residents in Grinnell is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Grinnell ranks 58th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's Asian population has grown by an estimated 82.4%. Asian residents' share of Grinnell's population has increased from 2.1% to 3.9%.

Grinnell is more Asian than neighboring Oakland Acres (0% Asian), Gilman (0% Asian), Searsboro (0% Asian), Malcom (0% Asian), and Lynnville (0% Asian).

Grinnell's Hispanic Population

297 residents of Grinnell, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Grinnell is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Grinnell ranks 320th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's Hispanic population has declined by an estimated 16.8%. Hispanic residents' share of Grinnell's population has decreased from 3.7% to 3.1%.

Grinnell is more Hispanic than neighboring Oakland Acres (0% Hispanic), Gilman (2.4% Hispanic), Searsboro (0% Hispanic), Malcom (0% Hispanic), and Lynnville (0.9% Hispanic).

Grinnell's Native American/Other Population

14 residents of Grinnell, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grinnell is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Grinnell ranks 219th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's Native American/Other population has declined by an estimated 79.1%. Native American/Other residents' share of Grinnell's population has decreased from 0.7% to 0.1%.

Grinnell is more Native American/Other than neighboring Oakland Acres (0% Native American/Other), Gilman (0% Native American/Other), Searsboro (0% Native American/Other), and Lynnville (0% Native American/Other). Grinnell is less Native American/Other than neighboring Malcom (1.8% Native American/Other).

Grinnell's Multiracial Population

488 residents of Grinnell, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Grinnell is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Grinnell ranks 402nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grinnell's Multiracial population has grown by an estimated 67.1%. Multiracial residents' share of Grinnell's population has increased from 3.1% to 5.1%.

Grinnell is more Multiracial than neighboring Oakland Acres (2.6% Multiracial), Gilman (2.6% Multiracial), Searsboro (0.9% Multiracial), Malcom (4.5% Multiracial), and Lynnville (1.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.