Anamosa, IA Demographics

A map of Anamosa's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,961	4,630	88.1%	85.0%
Black	338	342	6.0%	6.3%
Multiracial	157	188	2.8%	3.4%
Hispanic	90	215	1.6%	3.9%
Asian	75	32	1.3%	0.6%
Native American/Other	8	43	0.1%	0.8%

Anamosa, Iowa has an estimated population of 5,629, an increase from the 5,450 recorded in the 2020 Census. The population is 88.1% White, 6.0% Black, 2.8% Multiracial, 1.6% Hispanic, 1.3% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Anamosa, with one dot drawn for each person counted by the Census, color-coded by race.

Anamosa 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 Anamosa, that probability was 27.2% in 2020 and 21.8% in the most recent ACS estimates.

Anamosa is ranked the 71st 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). Anamosa was ranked the 74th most populous place in the 2020 Census.

Anamosa's White Population

4,961 residents of Anamosa, or 88.1% of the population, identify as White. The share of White residents in Anamosa is higher than in Iowa overall, where 82.3% of the population is White. Anamosa ranks 899th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's White population has grown by an estimated 7.1%. White residents' share of Anamosa's population has increased from 85.0% to 88.1%.

Anamosa is more White than neighboring Martelle (82.7% White), and Olin (76.5% White). Anamosa is less White than neighboring Stone City (96.8% White), Morley (100% White), and Monticello (92.2% White).

Anamosa's Black Population

338 residents of Anamosa, or 6.0% of the population, identify as Black. The share of Black residents in Anamosa is slightly higher than in Iowa overall, where 3.8% of the population is Black. Anamosa ranks 12th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's Black population has declined by an estimated 1.2%. Black residents' share of Anamosa's population has remained roughly unchanged at 6.0%.

Anamosa is more Black than neighboring Stone City (0% Black), Morley (0% Black), Martelle (1.1% Black), and Monticello (1.9% Black). Anamosa is less Black than neighboring Olin (9.2% Black).

Anamosa's Asian Population

75 residents of Anamosa, or 1.3% of the population, identify as Asian. The share of Asian residents in Anamosa is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Anamosa ranks 254th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's Asian population has grown by an estimated 134.4%. Asian residents' share of Anamosa's population has increased from 0.6% to 1.3%.

Anamosa is more Asian than neighboring Stone City (0% Asian), Morley (0% Asian), Martelle (0% Asian), Monticello (1.1% Asian), and Olin (1% Asian).

Anamosa's Hispanic Population

90 residents of Anamosa, or 1.6% of the population, identify as Hispanic. The share of Hispanic residents in Anamosa is lower than in Iowa overall, where 7.3% of the population is Hispanic. Anamosa ranks 296th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's Hispanic population has declined by an estimated 58.1%. Hispanic residents' share of Anamosa's population has decreased from 3.9% to 1.6%.

Anamosa is more Hispanic than neighboring Stone City (0% Hispanic), Morley (0% Hispanic), and Olin (0.6% Hispanic). Anamosa is less Hispanic than neighboring Martelle (5.7% Hispanic), and Monticello (2.9% Hispanic).

Anamosa's Native American/Other Population

8 residents of Anamosa, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Anamosa is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Anamosa ranks 186th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's Native American/Other population has declined by an estimated 81.4%. Native American/Other residents' share of Anamosa's population has decreased from 0.8% to 0.1%.

Anamosa is more Native American/Other than neighboring Stone City (0% Native American/Other), Morley (0% Native American/Other), Martelle (0% Native American/Other), and Monticello (0% Native American/Other). Anamosa is less Native American/Other than neighboring Olin (0.7% Native American/Other).

Anamosa's Multiracial Population

157 residents of Anamosa, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Anamosa is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Anamosa ranks 301st statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Anamosa's Multiracial population has declined by an estimated 16.5%. Multiracial residents' share of Anamosa's population has decreased from 3.4% to 2.8%.

Anamosa is more Multiracial than neighboring Morley (0% Multiracial), and Monticello (1.8% Multiracial). Anamosa is less Multiracial than neighboring Stone City (3.2% Multiracial), Martelle (10.5% Multiracial), and Olin (12% 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.