Irwin, IA Demographics

A map of Irwin's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	322	298	91.5%	93.4%
Hispanic	20	10	5.7%	3.1%
Multiracial	10	10	2.8%	3.1%
Black	0	1	0.0%	0.3%
Asian	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%

Irwin, Iowa has an estimated population of 352, a large increase from the 319 recorded in the 2020 Census. The population is 91.5% White, 5.7% Hispanic, 2.8% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Irwin, with one dot drawn for each person counted by the Census, color-coded by race.

Irwin 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 Irwin, that probability was 12.5% in 2020 and 15.9% in the most recent ACS estimates.

Irwin is ranked the 567th 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). Irwin was ranked the 565th most populous place in the 2020 Census.

Irwin's White Population

322 residents of Irwin, or 91.5% of the population, identify as White. The share of White residents in Irwin is higher than in Iowa overall, where 82.3% of the population is White. Irwin ranks 465th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Irwin's White population has grown by an estimated 8.1%. White residents' share of Irwin's population has decreased from 93.4% to 91.5%.

Irwin is more White than neighboring Defiance (88% White), and Jacksonville (0% White). Irwin is less White than neighboring Kirkman (93.1% White), Manilla (93% White), and Aspinwall (95.6% White).

Irwin's Black Population

0 residents of Irwin, or 0.0% of the population, identify as Black. The share of Black residents in Irwin is slightly lower than in Iowa overall, where 3.8% of the population is Black. Irwin ranks 486th statewide in terms of Black residents as a share of the population, out of 1,026 places.

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

Irwin's Asian Population

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

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

Irwin's Hispanic Population

20 residents of Irwin, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Irwin is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Irwin ranks 408th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Irwin's Hispanic population has grown by an estimated 100.0%. Hispanic residents' share of Irwin's population has increased from 3.1% to 5.7%.

Irwin is more Hispanic than neighboring Aspinwall (4.4% Hispanic), and Jacksonville (0% Hispanic). Irwin is less Hispanic than neighboring Kirkman (6.9% Hispanic), Manilla (7% Hispanic), and Defiance (10.8% Hispanic).

Irwin's Native American/Other Population

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

Irwin's Multiracial Population

10 residents of Irwin, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Irwin is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Irwin ranks 382nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Irwin's Multiracial population has remained roughly the same. Multiracial residents' share of Irwin's population has remained roughly unchanged at 2.8%.

Irwin is more Multiracial than neighboring Kirkman (0% Multiracial), Manilla (0% Multiracial), Defiance (1.2% Multiracial), Aspinwall (0% Multiracial), and Jacksonville (0% 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.