Grimes, IA Demographics

A map of Grimes's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	13,353	13,333	81.6%	86.6%
Black	1,011	434	6.2%	2.8%
Hispanic	864	684	5.3%	4.4%
Asian	759	358	4.6%	2.3%
Multiracial	374	520	2.3%	3.4%
Native American/Other	5	63	0.0%	0.4%

Grimes, Iowa has an estimated population of 16,366, an increase from the 15,392 recorded in the 2020 Census. The population is 81.6% White, 6.2% Black, 5.3% Hispanic, 4.6% Asian, 2.3% Multiracial, and 0.0% Native American/Other. This demographic dot map shows the population of Grimes, with one dot drawn for each person counted by the Census, color-coded by race.

Grimes has become considerably more racially diverse since the 2020 Census. It is more 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 Grimes, that probability was 24.5% in 2020 and 32.5% in the most recent ACS estimates.

Grimes is ranked the 29th 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). Grimes was ranked the 31st most populous place in the 2020 Census.

Grimes's White Population

13,353 residents of Grimes, or 81.6% of the population, identify as White. The share of White residents in Grimes is comparable to the share in Iowa overall, where 82.3% of the population is White. Grimes ranks 869th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's White population has remained roughly the same. White residents' share of Grimes's population has decreased from 86.6% to 81.6%.

Grimes is more White than neighboring Urbandale (79.4% White), Clive (78.2% White), Johnston (75.9% White), and Windsor Heights (81.4% White). Grimes is less White than neighboring Granger (91.6% White).

Grimes's Black Population

1,011 residents of Grimes, or 6.2% of the population, identify as Black. The share of Black residents in Grimes is slightly higher than in Iowa overall, where 3.8% of the population is Black. Grimes ranks 69th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's Black population has grown by an estimated 132.9%. Black residents' share of Grimes's population has increased from 2.8% to 6.2%.

Grimes is more Black than neighboring Urbandale (4.8% Black), Clive (2.9% Black), Granger (0.7% Black), and Windsor Heights (5.6% Black). Grimes is less Black than neighboring Johnston (10.6% Black).

Grimes's Asian Population

759 residents of Grimes, or 4.6% of the population, identify as Asian. The share of Asian residents in Grimes is slightly higher than in Iowa overall, where 2.5% of the population is Asian. Grimes ranks 53rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's Asian population has grown by an estimated 112.0%. Asian residents' share of Grimes's population has increased from 2.3% to 4.6%.

Grimes is more Asian than neighboring Clive (4.3% Asian), and Granger (0.3% Asian). Grimes is less Asian than neighboring Urbandale (4.9% Asian), Johnston (7.3% Asian), and Windsor Heights (4.7% Asian).

Grimes's Hispanic Population

864 residents of Grimes, or 5.3% of the population, identify as Hispanic. The share of Hispanic residents in Grimes is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Grimes ranks 259th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's Hispanic population has grown by an estimated 26.3%. Hispanic residents' share of Grimes's population has increased from 4.4% to 5.3%.

Grimes is more Hispanic than neighboring Johnston (2.7% Hispanic), Granger (4.1% Hispanic), and Windsor Heights (4.3% Hispanic). Grimes is less Hispanic than neighboring Urbandale (7.2% Hispanic), and Clive (12.8% Hispanic).

Grimes's Native American/Other Population

5 residents of Grimes, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grimes is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Grimes ranks 410th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's Native American/Other population has declined by an estimated 92.1%. Native American/Other residents' share of Grimes's population has remained roughly unchanged at 0.0%.

Grimes is less Native American/Other than neighboring Urbandale (0.4% Native American/Other), Clive (0.3% Native American/Other), and Johnston (0.2% Native American/Other).

Grimes's Multiracial Population

374 residents of Grimes, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Grimes is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Grimes ranks 317th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grimes's Multiracial population has declined by an estimated 28.1%. Multiracial residents' share of Grimes's population has decreased from 3.4% to 2.3%.

Grimes is more Multiracial than neighboring Clive (1.6% Multiracial). Grimes is less Multiracial than neighboring Urbandale (3.3% Multiracial), Johnston (3.4% Multiracial), Granger (3.4% Multiracial), and Windsor Heights (4.1% 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.