Montgomery County Demographics

A map of Montgomery County's Population by Race

Montgomery County, Iowa has an estimated population of 10,214, a slight decrease from the 10,330 recorded in the 2020 Census. The population is 92.0% White, 3.2% Multiracial, 1.8% Black, 1.1% Asian, 1.1% Native American/Other, and 0.8% Hispanic. This demographic dot map shows the population of Montgomery County, with one dot drawn for each person counted by the Census, color-coded by race.

Montgomery 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 Montgomery County, that probability was 13.4% in 2020 and 15.3% in the most recent ACS estimates.

Montgomery County is ranked the 72nd most populous county in Iowa, out of 99 counties. Montgomery County was ranked the 72nd most populous county in the 2020 Census.

Montgomery County's White Population

9,392 residents of Montgomery County, or 92.0% of the population, identify as White. The share of White residents in Montgomery County is higher than in Iowa overall, where 82.3% of the population is White. Montgomery County ranks 39th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's White population has declined by an estimated 2.2%. White residents' share of Montgomery County's population has decreased from 93.0% to 92.0%.

Montgomery County is more White than neighboring Page County (90.3% White), and Pottawattamie County (84.5% White). Montgomery County is less White than neighboring Cass County (93.5% White), Adams County (94.5% White), and Mills County (92.7% White).

Montgomery County's Black Population

184 residents of Montgomery County, or 1.8% of the population, identify as Black. The share of Black residents in Montgomery County is comparable to the share in Iowa overall, where 3.8% of the population is Black. Montgomery County ranks 89th statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's Black population has grown by an estimated 636.0%. Black residents' share of Montgomery County's population has increased from 0.2% to 1.8%.

Montgomery County is more Black than neighboring Page County (1.7% Black), Cass County (0.9% Black), Adams County (0.3% Black), and Mills County (0.4% Black).

Montgomery County's Asian Population

109 residents of Montgomery County, or 1.1% of the population, identify as Asian. The share of Asian residents in Montgomery County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Montgomery County ranks 91st statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's Asian population has grown by an estimated 419.0%. Asian residents' share of Montgomery County's population has increased from 0.2% to 1.1%.

Montgomery County is more Asian than neighboring Page County (0.5% Asian), Cass County (0.5% Asian), Adams County (0% Asian), Mills County (0.5% Asian), and Pottawattamie County (0.9% Asian).

Montgomery County's Hispanic Population

82 residents of Montgomery County, or 0.8% of the population, identify as Hispanic. The share of Hispanic residents in Montgomery County is lower than in Iowa overall, where 7.3% of the population is Hispanic. Montgomery County ranks 44th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's Hispanic population has declined by an estimated 77.9%. Hispanic residents' share of Montgomery County's population has decreased from 3.6% to 0.8%.

Montgomery County is less Hispanic than neighboring Page County (3.3% Hispanic), Cass County (2.7% Hispanic), Adams County (1.7% Hispanic), Mills County (3.9% Hispanic), and Pottawattamie County (9.1% Hispanic).

Montgomery County's Native American/Other Population

117 residents of Montgomery County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Montgomery County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Montgomery County ranks 83rd statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's Native American/Other population has grown by an estimated 333.3%. Native American/Other residents' share of Montgomery County's population has increased from 0.3% to 1.1%.

Montgomery County is more Native American/Other than neighboring Page County (0.7% Native American/Other), Cass County (0.8% Native American/Other), Adams County (0.3% Native American/Other), Mills County (0.2% Native American/Other), and Pottawattamie County (0.7% Native American/Other).

Montgomery County's Multiracial Population

330 residents of Montgomery County, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Montgomery County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Montgomery County ranks 34th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Montgomery County's Multiracial population has grown by an estimated 16.6%. Multiracial residents' share of Montgomery County's population has increased from 2.7% to 3.2%.

Montgomery County is more Multiracial than neighboring Cass County (1.6% Multiracial), Mills County (2.3% Multiracial), and Pottawattamie County (3% Multiracial). Montgomery County is less Multiracial than neighboring Page County (3.4% 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.