Hamilton, IA Demographics

A map of Hamilton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	103	108	96.3%	90.8%
Multiracial	4	7	3.7%	5.9%
Black	0	0	0.0%	0.0%
Asian	0	4	0.0%	3.4%
Hispanic	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%

Hamilton, Iowa has an estimated population of 107, a large decrease from the 119 recorded in the 2020 Census. The population is 96.3% White, 3.7% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Hamilton, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton 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 Hamilton, that probability was 17.2% in 2020 and 7.2% in the most recent ACS estimates.

Hamilton is ranked the 852nd 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). Hamilton was ranked the 822nd most populous place in the 2020 Census.

Hamilton's White Population

103 residents of Hamilton, or 96.3% of the population, identify as White. The share of White residents in Hamilton is considerably higher than in Iowa overall, where 82.3% of the population is White. Hamilton ranks 690th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Hamilton's White population has declined by an estimated 4.6%. White residents' share of Hamilton's population has increased from 90.8% to 96.3%.

Hamilton is more White than neighboring Bussey (95.9% White), Harvey (86.8% White), and Albia (91.3% White). Hamilton is less White than neighboring Lovilia (98.1% White), and Marysville (98.6% White).

Hamilton's Black Population

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

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

Hamilton is less Black than neighboring Lovilia (0.2% Black), Bussey (0.5% Black), and Albia (2.4% Black).

Hamilton's Asian Population

0 residents of Hamilton, or 0.0% of the population, identify as Asian. The share of Asian residents in Hamilton is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Hamilton ranks 36th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Hamilton's Asian population has declined by an estimated 100.0%. Asian residents' share of Hamilton's population has decreased from 3.4% to 0.0%.

Hamilton is less Asian than neighboring Lovilia (0.2% Asian), Harvey (3.4% Asian), and Albia (0.9% Asian).

Hamilton's Hispanic Population

0 residents of Hamilton, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton is lower than in Iowa overall, where 7.3% of the population is Hispanic. Hamilton ranks 933rd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

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

Hamilton is less Hispanic than neighboring Bussey (3.6% Hispanic), Harvey (5.2% Hispanic), and Albia (3.6% Hispanic).

Hamilton's Native American/Other Population

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

Hamilton is less Native American/Other than neighboring Lovilia (0.2% Native American/Other), and Albia (0.4% Native American/Other).

Hamilton's Multiracial Population

4 residents of Hamilton, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Hamilton ranks 59th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Hamilton's Multiracial population has declined by an estimated 42.9%. Multiracial residents' share of Hamilton's population has decreased from 5.9% to 3.7%.

Hamilton is more Multiracial than neighboring Lovilia (1.2% Multiracial), Bussey (0% Multiracial), Marysville (1.4% Multiracial), and Albia (1.5% Multiracial). Hamilton is less Multiracial than neighboring Harvey (4.6% 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.