Green Mountain, IA Demographics

A map of Green Mountain's Population by Race

Green Mountain, Iowa has an estimated population of 87, a large decrease from the 113 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Green Mountain, with one dot drawn for each person counted by the Census, color-coded by race.

Green Mountain has become considerably less 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 Green Mountain, that probability was 16.5% in 2020 and 0.0% in the most recent ACS estimates.

Green Mountain is ranked the 879th 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). Green Mountain was ranked the 834th most populous place in the 2020 Census.

Green Mountain's White Population

87 residents of Green Mountain, or 100.0% of the population, identify as White. The share of White residents in Green Mountain is significantly higher than in Iowa overall, where 82.3% of the population is White. Green Mountain ranks 678th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Green Mountain's White population has declined by an estimated 15.5%. White residents' share of Green Mountain's population has increased from 91.2% to 100.0%.

Green Mountain is more White than neighboring Le Grand (90.3% White), Marshalltown (54.1% White), Beaman (99.2% White), Conrad (92.5% White), and Gladbrook (95.3% White).

Green Mountain's Black Population

0 residents of Green Mountain, or 0.0% of the population, identify as Black. The share of Black residents in Green Mountain is slightly lower than in Iowa overall, where 3.8% of the population is Black. Green Mountain ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Green Mountain's Black population has grown from 0 to an estimated 0. Black residents' share of Green Mountain's population has remained roughly unchanged at 0.0%.

Green Mountain is less Black than neighboring Le Grand (0.8% Black), Marshalltown (2.1% Black), and Conrad (2.1% Black).

Green Mountain's Asian Population

0 residents of Green Mountain, or 0.0% of the population, identify as Asian. The share of Asian residents in Green Mountain is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Green Mountain ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Green Mountain's Asian population has grown from 0 to an estimated 0. Asian residents' share of Green Mountain's population has remained roughly unchanged at 0.0%.

Green Mountain is less Asian than neighboring Marshalltown (4.9% Asian), Beaman (0.8% Asian), Conrad (0.1% Asian), and Gladbrook (0.5% Asian).

Green Mountain's Hispanic Population

0 residents of Green Mountain, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Green Mountain is lower than in Iowa overall, where 7.3% of the population is Hispanic. Green Mountain ranks 174th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Green Mountain's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Green Mountain's population has decreased from 6.2% to 0.0%.

Green Mountain is less Hispanic than neighboring Le Grand (6% Hispanic), Marshalltown (34.2% Hispanic), Conrad (4.2% Hispanic), and Gladbrook (3.4% Hispanic).

Green Mountain's Native American/Other Population

0 residents of Green Mountain, 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 Green Mountain is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Green Mountain 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, Green Mountain's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Green Mountain's population has remained roughly unchanged at 0.0%.

Green Mountain is less Native American/Other than neighboring Marshalltown (0.8% Native American/Other).

Green Mountain's Multiracial Population

0 residents of Green Mountain, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Green Mountain is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Green Mountain ranks 516th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Green Mountain's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Green Mountain's population has decreased from 2.7% to 0.0%.

Green Mountain is less Multiracial than neighboring Le Grand (2.9% Multiracial), Marshalltown (4% Multiracial), Conrad (1.1% Multiracial), and Gladbrook (0.8% 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.