Delmar, IA Demographics

A map of Delmar's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	448	480	93.3%	88.6%
Black	21	23	4.4%	4.2%
Hispanic	6	12	1.3%	2.2%
Multiracial	5	22	1.0%	4.1%
Asian	0	0	0.0%	0.0%
Native American/Other	0	5	0.0%	0.9%

Delmar, Iowa has an estimated population of 480, a large decrease from the 542 recorded in the 2020 Census. The population is 93.3% White, 4.4% Black, 1.3% Hispanic, 1.0% Multiracial, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Delmar, with one dot drawn for each person counted by the Census, color-coded by race.

Delmar 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 Delmar, that probability was 21.2% in 2020 and 12.7% in the most recent ACS estimates.

Delmar is ranked the 481st 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). Delmar was ranked the 431st most populous place in the 2020 Census.

Delmar's White Population

448 residents of Delmar, or 93.3% of the population, identify as White. The share of White residents in Delmar is considerably higher than in Iowa overall, where 82.3% of the population is White. Delmar ranks 809th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Delmar's White population has declined by an estimated 6.7%. White residents' share of Delmar's population has increased from 88.6% to 93.3%.

Delmar is more White than neighboring Maquoketa (89.5% White), Welton (91.2% White), Charlotte (80.4% White), and Grand Mound (90% White). Delmar is less White than neighboring Andrew (99.5% White).

Delmar's Black Population

21 residents of Delmar, or 4.4% of the population, identify as Black. The share of Black residents in Delmar is comparable to the share in Iowa overall, where 3.8% of the population is Black. Delmar ranks 40th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Delmar's Black population has declined by an estimated 8.7%. Black residents' share of Delmar's population has remained roughly unchanged at 4.4%.

Delmar is more Black than neighboring Maquoketa (2.3% Black), Welton (0% Black), Charlotte (0% Black), Andrew (0% Black), and Grand Mound (0% Black).

Delmar's Asian Population

0 residents of Delmar, or 0.0% of the population, identify as Asian. The share of Asian residents in Delmar is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Delmar ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

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

Delmar's Hispanic Population

6 residents of Delmar, or 1.3% of the population, identify as Hispanic. The share of Hispanic residents in Delmar is lower than in Iowa overall, where 7.3% of the population is Hispanic. Delmar ranks 578th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Delmar's Hispanic population has declined by an estimated 50.0%. Hispanic residents' share of Delmar's population has decreased from 2.2% to 1.3%.

Delmar is more Hispanic than neighboring Maquoketa (1% Hispanic), Welton (0% Hispanic), and Andrew (0% Hispanic). Delmar is less Hispanic than neighboring Charlotte (11.2% Hispanic), and Grand Mound (4.9% Hispanic).

Delmar's Native American/Other Population

0 residents of Delmar, 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 Delmar is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Delmar ranks 154th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Delmar's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Delmar's population has decreased from 0.9% to 0.0%.

Delmar is less Native American/Other than neighboring Maquoketa (2% Native American/Other), Welton (0.9% Native American/Other), and Andrew (0.5% Native American/Other).

Delmar's Multiracial Population

5 residents of Delmar, or 1.0% of the population, identify as Multiracial. The share of Multiracial residents in Delmar is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Delmar ranks 205th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Delmar's Multiracial population has declined by an estimated 77.3%. Multiracial residents' share of Delmar's population has decreased from 4.1% to 1.0%.

Delmar is more Multiracial than neighboring Andrew (0% Multiracial). Delmar is less Multiracial than neighboring Maquoketa (5.1% Multiracial), Welton (7.9% Multiracial), Charlotte (8.4% Multiracial), and Grand Mound (4.5% 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.