Calamus, IA Demographics

A map of Calamus's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	390	336	93.5%	94.4%
Multiracial	23	8	5.5%	2.2%
Hispanic	3	9	0.7%	2.5%
Native American/Other	1	1	0.2%	0.3%
Black	0	1	0.0%	0.3%
Asian	0	1	0.0%	0.3%

Calamus, Iowa has an estimated population of 417, a large increase from the 356 recorded in the 2020 Census. The population is 93.5% White, 5.5% Multiracial, 0.7% Hispanic, 0.2% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Calamus, with one dot drawn for each person counted by the Census, color-coded by race.

Calamus 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 Calamus, that probability was 10.8% in 2020 and 12.2% in the most recent ACS estimates.

Calamus is ranked the 516th 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). Calamus was ranked the 540th most populous place in the 2020 Census.

Calamus's White Population

390 residents of Calamus, or 93.5% of the population, identify as White. The share of White residents in Calamus is considerably higher than in Iowa overall, where 82.3% of the population is White. Calamus ranks 355th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's White population has grown by an estimated 16.1%. White residents' share of Calamus's population has decreased from 94.4% to 93.5%.

Calamus is more White than neighboring Wheatland (92.5% White), Dixon (91.1% White), and Grand Mound (90% White). Calamus is less White than neighboring Big Rock (100% White), and Toronto (97.7% White).

Calamus's Black Population

0 residents of Calamus, or 0.0% of the population, identify as Black. The share of Black residents in Calamus is slightly lower than in Iowa overall, where 3.8% of the population is Black. Calamus ranks 498th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's Black population has declined by an estimated 100.0%. Black residents' share of Calamus's population has remained roughly unchanged at 0.0%.

Calamus is less Black than neighboring Wheatland (0.5% Black).

Calamus's Asian Population

0 residents of Calamus, or 0.0% of the population, identify as Asian. The share of Asian residents in Calamus is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Calamus ranks 425th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's Asian population has declined by an estimated 100.0%. Asian residents' share of Calamus's population has remained roughly unchanged at 0.0%.

Calamus is less Asian than neighboring Grand Mound (0.6% Asian).

Calamus's Hispanic Population

3 residents of Calamus, or 0.7% of the population, identify as Hispanic. The share of Hispanic residents in Calamus is lower than in Iowa overall, where 7.3% of the population is Hispanic. Calamus ranks 514th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's Hispanic population has declined by an estimated 66.7%. Hispanic residents' share of Calamus's population has decreased from 2.5% to 0.7%.

Calamus is more Hispanic than neighboring Big Rock (0% Hispanic). Calamus is less Hispanic than neighboring Wheatland (5.7% Hispanic), Dixon (1.6% Hispanic), Grand Mound (4.9% Hispanic), and Toronto (2.3% Hispanic).

Calamus's Native American/Other Population

1 residents of Calamus, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Calamus is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Calamus ranks 498th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's Native American/Other population has remained roughly the same. Native American/Other residents' share of Calamus's population has remained roughly unchanged at 0.2%.

Calamus is more Native American/Other than neighboring Dixon (0% Native American/Other), Big Rock (0% Native American/Other), Grand Mound (0% Native American/Other), and Toronto (0% Native American/Other).

Calamus's Multiracial Population

23 residents of Calamus, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Calamus is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Calamus ranks 638th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Calamus's Multiracial population has grown by an estimated 187.5%. Multiracial residents' share of Calamus's population has increased from 2.2% to 5.5%.

Calamus is more Multiracial than neighboring Wheatland (1% Multiracial), Big Rock (0% Multiracial), Grand Mound (4.5% Multiracial), and Toronto (0% Multiracial). Calamus is less Multiracial than neighboring Dixon (7.4% 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.