Slidell, LA Demographics

A map of Slidell's Population by Race

Slidell, Louisiana has an estimated population of 28,561, a less than 1% change from the 28,781 recorded in the 2020 Census. The population is 61.4% White, 19.6% Black, 9.8% Hispanic, 6.7% Multiracial, 2.1% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Slidell, with one dot drawn for each person counted by the Census, color-coded by race.

Slidell is about as racially diverse as it was in the 2020 Census. It is less diverse than Louisiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Slidell, that probability was 56.9% in 2020 and 57.0% in the most recent ACS estimates.

Slidell is ranked the 15th most populous place in Louisiana, out of 489 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). Slidell was ranked the 16th most populous place in the 2020 Census.

Slidell's White Population

17,535 residents of Slidell, or 61.4% of the population, identify as White. The share of White residents in Slidell is higher than in Louisiana overall, where 55.7% of the population is White. Slidell ranks 255th statewide in terms of White residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's White population has remained roughly the same. White residents' share of Slidell's population has increased from 60.4% to 61.4%.

Slidell is less White than neighboring Eden Isle (75.5% White), Pearl River (81.9% White), Lacombe (68.9% White), Pearlington (65.3% White), and Nicholson (62% White).

Slidell's Black Population

5,594 residents of Slidell, or 19.6% of the population, identify as Black. The share of Black residents in Slidell is considerably lower than in Louisiana overall, where 30.5% of the population is Black. Slidell ranks 244th statewide in terms of Black residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's Black population has declined by an estimated 17.9%. Black residents' share of Slidell's population has decreased from 23.7% to 19.6%.

Slidell is more Black than neighboring Eden Isle (13% Black), Pearl River (9.2% Black), Lacombe (12.6% Black), and Nicholson (10.6% Black). Slidell is less Black than neighboring Pearlington (30.9% Black).

Slidell's Asian Population

589 residents of Slidell, or 2.1% of the population, identify as Asian. The share of Asian residents in Slidell is comparable to the share in Louisiana overall, where 1.7% of the population is Asian. Slidell ranks 68th statewide in terms of Asian residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's Asian population has grown by an estimated 16.6%. Asian residents' share of Slidell's population has remained roughly unchanged at 2.1%.

Slidell is more Asian than neighboring Pearl River (0% Asian), Pearlington (1.1% Asian), and Nicholson (0% Asian). Slidell is less Asian than neighboring Eden Isle (2.9% Asian), and Lacombe (2.2% Asian).

Slidell's Hispanic Population

2,800 residents of Slidell, or 9.8% of the population, identify as Hispanic. The share of Hispanic residents in Slidell is slightly higher than in Louisiana overall, where 7.2% of the population is Hispanic. Slidell ranks 70th statewide in terms of Hispanic residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's Hispanic population has grown by an estimated 17.3%. Hispanic residents' share of Slidell's population has increased from 8.3% to 9.8%.

Slidell is more Hispanic than neighboring Eden Isle (5.7% Hispanic), Pearl River (5.7% Hispanic), and Pearlington (0.8% Hispanic). Slidell is less Hispanic than neighboring Lacombe (10.6% Hispanic), and Nicholson (17.3% Hispanic).

Slidell's Native American/Other Population

127 residents of Slidell, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Slidell is comparable to the share in Louisiana overall, where 1% of the population is Native American/Other. Slidell ranks 139th statewide in terms of Native American/Other residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's Native American/Other population has declined by an estimated 56.9%. Native American/Other residents' share of Slidell's population has decreased from 1.0% to 0.4%.

Slidell is more Native American/Other than neighboring Pearl River (0% Native American/Other), and Pearlington (0% Native American/Other). Slidell is less Native American/Other than neighboring Eden Isle (1.4% Native American/Other), Lacombe (1% Native American/Other), and Nicholson (2.8% Native American/Other).

Slidell's Multiracial Population

1,916 residents of Slidell, or 6.7% of the population, identify as Multiracial. The share of Multiracial residents in Slidell is slightly higher than in Louisiana overall, where 3.8% of the population is Multiracial. Slidell ranks 86th statewide in terms of Multiracial residents as a share of the population, out of 489 places.

Since the 2020 Census, Slidell's Multiracial population has grown by an estimated 38.8%. Multiracial residents' share of Slidell's population has increased from 4.8% to 6.7%.

Slidell is more Multiracial than neighboring Eden Isle (1.5% Multiracial), Pearl River (3.2% Multiracial), Lacombe (4.7% Multiracial), and Pearlington (2% Multiracial). Slidell is less Multiracial than neighboring Nicholson (7.3% 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.