Monticello, IA Demographics

A map of Monticello's Population by Race

Monticello, Iowa has an estimated population of 4,071, a less than 1% change from the 4,040 recorded in the 2020 Census. The population is 92.2% White, 2.9% Hispanic, 1.9% Black, 1.8% Multiracial, 1.1% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Monticello, with one dot drawn for each person counted by the Census, color-coded by race.

Monticello is about as racially diverse as it was in 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 Monticello, that probability was 14.7% in 2020 and 14.8% in the most recent ACS estimates.

Monticello is ranked the 102nd 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). Monticello was ranked the 103rd most populous place in the 2020 Census.

Monticello's White Population

3,753 residents of Monticello, or 92.2% of the population, identify as White. The share of White residents in Monticello is higher than in Iowa overall, where 82.3% of the population is White. Monticello ranks 577th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's White population has remained roughly the same. White residents' share of Monticello's population has remained roughly unchanged at 92.2%.

Monticello is more White than neighboring Hopkinton (89.8% White), Anamosa (88.1% White), and Cascade (84.6% White). Monticello is less White than neighboring Center Junction (100% White), and Worthington (98.8% White).

Monticello's Black Population

78 residents of Monticello, or 1.9% of the population, identify as Black. The share of Black residents in Monticello is comparable to the share in Iowa overall, where 3.8% of the population is Black. Monticello ranks 195th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's Black population has grown by an estimated 81.4%. Black residents' share of Monticello's population has increased from 1.1% to 1.9%.

Monticello is more Black than neighboring Hopkinton (0% Black), Center Junction (0% Black), Worthington (0% Black), and Cascade (0% Black). Monticello is less Black than neighboring Anamosa (6% Black).

Monticello's Asian Population

45 residents of Monticello, or 1.1% of the population, identify as Asian. The share of Asian residents in Monticello is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Monticello ranks 268th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's Asian population has grown by an estimated 104.5%. Asian residents' share of Monticello's population has increased from 0.5% to 1.1%.

Monticello is more Asian than neighboring Hopkinton (0% Asian), Center Junction (0% Asian), Worthington (0% Asian), and Cascade (0.7% Asian). Monticello is less Asian than neighboring Anamosa (1.3% Asian).

Monticello's Hispanic Population

120 residents of Monticello, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Monticello is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Monticello ranks 454th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's Hispanic population has grown by an estimated 4.3%. Hispanic residents' share of Monticello's population has remained roughly unchanged at 2.9%.

Monticello is more Hispanic than neighboring Center Junction (0% Hispanic), Anamosa (1.6% Hispanic), and Worthington (0% Hispanic). Monticello is less Hispanic than neighboring Hopkinton (3.7% Hispanic), and Cascade (12.4% Hispanic).

Monticello's Native American/Other Population

0 residents of Monticello, 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 Monticello is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Monticello ranks 195th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Monticello's population has decreased from 0.8% to 0.0%.

Monticello is less Native American/Other than neighboring Anamosa (0.1% Native American/Other), and Cascade (0.2% Native American/Other).

Monticello's Multiracial Population

75 residents of Monticello, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Monticello is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Monticello ranks 562nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Monticello's Multiracial population has declined by an estimated 25.7%. Multiracial residents' share of Monticello's population has decreased from 2.5% to 1.8%.

Monticello is more Multiracial than neighboring Center Junction (0% Multiracial), and Worthington (1.2% Multiracial). Monticello is less Multiracial than neighboring Hopkinton (6.5% Multiracial), Anamosa (2.8% Multiracial), and Cascade (2.1% 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.