Louisiana Gazetteer
Also See Slidell, LA: ZIP Codes & Maps
The City of Slidell had a population of 28,561 as of 2020-2024 American Community Survey 5-Year Estimates. Slidell ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Louisiana. See peer rankings below.
The primary coordinate point for Slidell is located at latitude 30.2752 and longitude -89.7812 in St. Tammany Parish. The formal boundaries for the City of Slidell encompass a land area of 14.84 sq. miles and a water area of 0.36 sq. miles. St. Tammany Parish is in the Central time zone (GMT -6).
The City of Slidell has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The City of Slidell is located within Parish Governing Authority District 14, a minor civil division (MCD) of St. Tammany Parish.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 28,561 (100%) |
| Population Density | 1,876 per sq mi |
| Diversity Index1 | 57 |
INCOME | |
| Median Household Income | $70,497 |
| Per Capita Income | $34,749 |
| Median Home Value | $217,700 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 12,203 (100%) |
| Owner Occupied HU | 7,537 (61.8%) |
| Renter Occupied HU | 3,458 (28.3%) |
| Vacant Housing Units | 1,208 (9.9%) |
HOUSEHOLDS | |
| Total Households | 10,995 |
| Average Household Size | 2.56 |
| Family Households | 7,423 (67.5%) |
The table below compares Slidell to the other 489 incorporated cities, towns and CDPs in Louisiana by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 15 | 97th |
| Population Density | # 50 | 90th |
| Median Household Income | # 127 | 74th |
| Per Capita Income | # 117 | 76th |
| Diversity Index | # 96 | 80th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Louisiana Census Data Comparison Tool.
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