Census Dots

Grand Mound, IA Demographics

A map of Grand Mound's Population by Race

Race
2024 Pop
2020 Pop
2024 %
2020 %
White
45957590.0%93.5%
Hispanic
25154.9%2.4%
Multiracial
23214.5%3.4%
Asian
310.6%0.2%
Black
030.0%0.5%
Native American/Other
000.0%0.0%

Grand Mound, Iowa has an estimated population of 510, a large decrease from the 615 recorded in the 2020 Census. The population is 90.0% White, 4.9% Hispanic, 4.5% Multiracial, 0.6% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Grand Mound, with one dot drawn for each person counted by the Census, color-coded by race.

Grand Mound has become considerably 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 Grand Mound, that probability was 12.4% in 2020 and 18.6% in the most recent ACS estimates.

Grand Mound is ranked the 473rd 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). Grand Mound was ranked the 412th most populous place in the 2020 Census.

Grand Mound's White Population

459 residents of Grand Mound, or 90.0% of the population, identify as White. The share of White residents in Grand Mound is higher than in Iowa overall, where 82.3% of the population is White. Grand Mound ranks 454th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's White population has declined by an estimated 20.2%. White residents' share of Grand Mound's population has decreased from 93.5% to 90.0%.

Grand Mound is less White than neighboring Welton (91.2% White), DeWitt (94.6% White), Calamus (93.5% White), Donahue (95.9% White), and Long Grove (91.3% White).

Grand Mound's Black Population

0 residents of Grand Mound, or 0.0% of the population, identify as Black. The share of Black residents in Grand Mound is slightly lower than in Iowa overall, where 3.8% of the population is Black. Grand Mound ranks 383rd statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's Black population has declined by an estimated 100.0%. Black residents' share of Grand Mound's population has decreased from 0.5% to 0.0%.

Grand Mound is less Black than neighboring DeWitt (0.8% Black), and Donahue (0.3% Black).

Grand Mound's Asian Population

3 residents of Grand Mound, or 0.6% of the population, identify as Asian. The share of Asian residents in Grand Mound is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Grand Mound ranks 490th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's Asian population has grown by an estimated 200.0%. Asian residents' share of Grand Mound's population has remained roughly unchanged at 0.6%.

Grand Mound is more Asian than neighboring Welton (0% Asian), Calamus (0% Asian), Donahue (0% Asian), and Long Grove (0.4% Asian). Grand Mound is less Asian than neighboring DeWitt (3% Asian).

Grand Mound's Hispanic Population

25 residents of Grand Mound, or 4.9% of the population, identify as Hispanic. The share of Hispanic residents in Grand Mound is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Grand Mound ranks 532nd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's Hispanic population has grown by an estimated 66.7%. Hispanic residents' share of Grand Mound's population has increased from 2.4% to 4.9%.

Grand Mound is more Hispanic than neighboring Welton (0% Hispanic), DeWitt (1.5% Hispanic), Calamus (0.7% Hispanic), and Donahue (1.5% Hispanic). Grand Mound is less Hispanic than neighboring Long Grove (5.5% Hispanic).

Grand Mound's Native American/Other Population

0 residents of Grand Mound, 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 Grand Mound is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Grand Mound ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Grand Mound's population has remained roughly unchanged at 0.0%.

Grand Mound is less Native American/Other than neighboring Welton (0.9% Native American/Other), and Calamus (0.2% Native American/Other).

Grand Mound's Multiracial Population

23 residents of Grand Mound, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Grand Mound is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Grand Mound ranks 309th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Grand Mound's Multiracial population has grown by an estimated 9.5%. Multiracial residents' share of Grand Mound's population has increased from 3.4% to 4.5%.

Grand Mound is more Multiracial than neighboring DeWitt (0.1% Multiracial), Donahue (2.3% Multiracial), and Long Grove (2.8% Multiracial). Grand Mound is less Multiracial than neighboring Welton (7.9% Multiracial), and Calamus (5.5% 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.