Dauphin Island, AL Demographics

A map of Dauphin Island's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,708	1,615	92.2%	90.8%
Hispanic	81	42	4.4%	2.4%
Black	34	5	1.8%	0.3%
Multiracial	23	81	1.2%	4.6%
Native American/Other	6	23	0.3%	1.3%
Asian	0	12	0.0%	0.7%

Dauphin Island, Alabama has an estimated population of 1,852, an increase from the 1,778 recorded in the 2020 Census. The population is 92.2% White, 4.4% Hispanic, 1.8% Black, 1.2% Multiracial, 0.3% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Dauphin Island, with one dot drawn for each person counted by the Census, color-coded by race.

Dauphin Island has become less racially diverse since the 2020 Census. It is considerably less diverse than Alabama overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dauphin Island, that probability was 17.2% in 2020 and 14.7% in the most recent ACS estimates.

Dauphin Island is ranked the 235th most populous place in Alabama, out of 594 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). Dauphin Island was ranked the 243rd most populous place in the 2020 Census.

Dauphin Island's White Population

1,708 residents of Dauphin Island, or 92.2% of the population, identify as White. The share of White residents in Dauphin Island is significantly higher than in Alabama overall, where 63.4% of the population is White. Dauphin Island ranks 95th statewide in terms of White residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's White population has grown by an estimated 5.8%. White residents' share of Dauphin Island's population has increased from 90.8% to 92.2%.

Dauphin Island is more White than neighboring Bayou La Batre (58.5% White), Grand Bay (78.3% White), Theodore (62.4% White), and Tillmans Corner (64.1% White). Dauphin Island is less White than neighboring Belle Fontaine (94.8% White).

Dauphin Island's Black Population

34 residents of Dauphin Island, or 1.8% of the population, identify as Black. The share of Black residents in Dauphin Island is significantly lower than in Alabama overall, where 25.6% of the population is Black. Dauphin Island ranks 540th statewide in terms of Black residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's Black population has grown by an estimated 580.0%. Black residents' share of Dauphin Island's population has increased from 0.3% to 1.8%.

Dauphin Island is more Black than neighboring Belle Fontaine (0% Black). Dauphin Island is less Black than neighboring Bayou La Batre (2.9% Black), Grand Bay (13.8% Black), Theodore (19.5% Black), and Tillmans Corner (18.6% Black).

Dauphin Island's Asian Population

0 residents of Dauphin Island, or 0.0% of the population, identify as Asian. The share of Asian residents in Dauphin Island is comparable to the share in Alabama overall, where 1.4% of the population is Asian. Dauphin Island ranks 154th statewide in terms of Asian residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's Asian population has declined by an estimated 100.0%. Asian residents' share of Dauphin Island's population has decreased from 0.7% to 0.0%.

Dauphin Island is less Asian than neighboring Bayou La Batre (18% Asian), Grand Bay (1.4% Asian), Belle Fontaine (2.7% Asian), Theodore (6% Asian), and Tillmans Corner (6.7% Asian).

Dauphin Island's Hispanic Population

81 residents of Dauphin Island, or 4.4% of the population, identify as Hispanic. The share of Hispanic residents in Dauphin Island is comparable to the share in Alabama overall, where 5.6% of the population is Hispanic. Dauphin Island ranks 311th statewide in terms of Hispanic residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's Hispanic population has grown by an estimated 92.9%. Hispanic residents' share of Dauphin Island's population has increased from 2.4% to 4.4%.

Dauphin Island is more Hispanic than neighboring Bayou La Batre (3.5% Hispanic), Grand Bay (1.2% Hispanic), Belle Fontaine (2.5% Hispanic), and Theodore (3.3% Hispanic). Dauphin Island is less Hispanic than neighboring Tillmans Corner (4.6% Hispanic).

Dauphin Island's Native American/Other Population

6 residents of Dauphin Island, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dauphin Island is comparable to the share in Alabama overall, where 0.7% of the population is Native American/Other. Dauphin Island ranks 92nd statewide in terms of Native American/Other residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's Native American/Other population has declined by an estimated 73.9%. Native American/Other residents' share of Dauphin Island's population has decreased from 1.3% to 0.3%.

Dauphin Island is more Native American/Other than neighboring Belle Fontaine (0% Native American/Other), and Tillmans Corner (0.2% Native American/Other). Dauphin Island is less Native American/Other than neighboring Bayou La Batre (4.1% Native American/Other), Grand Bay (1.1% Native American/Other), and Theodore (3.6% Native American/Other).

Dauphin Island's Multiracial Population

23 residents of Dauphin Island, or 1.2% of the population, identify as Multiracial. The share of Multiracial residents in Dauphin Island is slightly lower than in Alabama overall, where 3.3% of the population is Multiracial. Dauphin Island ranks 148th statewide in terms of Multiracial residents as a share of the population, out of 594 places.

Since the 2020 Census, Dauphin Island's Multiracial population has declined by an estimated 71.6%. Multiracial residents' share of Dauphin Island's population has decreased from 4.6% to 1.2%.

Dauphin Island is more Multiracial than neighboring Belle Fontaine (0% Multiracial). Dauphin Island is less Multiracial than neighboring Bayou La Batre (13% Multiracial), Grand Bay (4.1% Multiracial), Theodore (5.2% Multiracial), and Tillmans Corner (5.8% 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.