Each edition grades its towns against each other only.
Public schools that outperform most of Louisiana.
FEMA rates its natural-hazard risk higher than 96% of U.S. communities, with hurricanes at the top. Overall it grades C, 89th among Louisiana's 161 graded towns. Its schools outperform 83% of the state's. Its weakest subject is safety: its crime rate is higher than 79% of U.S. towns, with 76 violent crimes reported to the FBI in 2025. Only 15 of Louisiana’s 255 towns score higher on the outdoors. Slidell has 7 places on the National Register of Historic Places, among them Francois Cousin House and Camp Salmen House. Slidell’s January low is 42°F, close to Louisiana’s towns (42°F) and above U.S. towns (22°F).
Where Slidell beats most towns, and one thing worth knowing.
| School | Grades | Students |
|---|---|---|
| W.L. Abney Elementary | 1–5 | 936 |
| Bonne Ecole Elementary School | PK–6 | 651 |
| Florida Avenue Elementary School | PK–6 | 440 |
Fritz Salmen House
Census counts: 364 in 1890, 28,781 in 2020. The archive holds 31 old photos and papers going back to 1880 and 4 maps from 1935 on.
7 places on the National Register of Historic Places.
Each subject compared with towns across the country (schools within Louisiana), ordered by how far Slidell is from typical.
How TownRatings grades towns →
Who provides power, water and the rest in Slidell, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
Ordered by what stands out in Slidell.
Slidell has milder winter nights than nearly all U.S. towns, looks healthier within Louisiana than nationally and has home values falling while Louisiana’s rise.
The trail density in Slidell is 0.7 miles per square mile. Trails run 11 miles in 13 parks and preserves. The biggest park or preserve is Fritchie Park, at 70 acres.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.7 miles per square mile | 0.2 | 0.4 |
| Conserved land | 2.8% | 1.2% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Fritchie Park | 0.6 mi | 70 |
| 2. Possum Hollow Park | 0.4 mi | 14 |
| 3. John Slidell Park | — | 32 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
The St. Tammany Parish school district runs its public schools. Three of its 19 schools are below, each with the reason it’s listed. The 6 public schools in Slidell teach 3,036 students between them.
| School | Level | Students | Letter |
|---|---|---|---|
| W.L. Abney ElementaryLargest public elementary schoolGrades 1–5 | Grades 1–5 | 936 | B |
| Slidell High SchoolLargest public high schoolGrades 9–12 | Grades 9–12 | 1,654 | B |
| Northshore High SchoolTop results in townGrades 9–12 | Grades 9–12 | 1,518 | A |
NCES · EDFacts · graded within LA on state tests and graduation
8,172 flood insurance claims have been filed here, and 1,200 properties have flooded more than once.
The national flood insurance program has paid 8,172 claims in Slidell since 1978. Of the losses FEMA expects locally, 58% come from hurricanes and 30% from inland flooding. Federal disaster aid has reached households in Slidell after 17 declared disasters, most recently in 2026.
FEMA flood insurance claims · FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
For Slidell, the rate of thefts and burglaries is 23.4 per 1,000 residents. Within Louisiana, it does better than 67% of towns.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Property crimes per 1,000 (2025) | 23.4 per 1,000 residents | 24.2 | 9.9 |
| Violent crimes per 1,000 (2025) | 2.7 per 1,000 residents | 4.4 | 1.6 |
FBI crime data, 2025 · crimes reported to police
Within Louisiana it is healthier than 69% of the 161 graded towns: much of Louisiana scores lower on these measures.
Just over two in five adults have high blood pressure in Slidell. Against the Louisiana average, Slidell comes out ahead on 2 CDC measures out of 32, and behind on 1.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Food insecurity (CDC PLACES) | 20% | 26% | 14% |
| Sleep under 7 hours (CDC PLACES) | 42% | 42% | 36% |
| High blood pressure (CDC PLACES) | 41% | 44% | 35% |
| Diabetes (CDC PLACES) | 15% | 16% | 12% |
| What stands out | Slidell | LA |
|---|---|---|
| Fewer older adults who have lost all their teeth | 14.9% | 18.1% |
| Fewer adults facing food insecurity | 19.9% | 22.5% |
| More adults who have had cancer | 8.4% | 7.5% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
January nights average 41.8°, milder than in 95% of U.S. towns; July afternoons average 90.7°. The Slidell weather station records that about 64 days a year reach 90°: more than most of the country, but fewer than 93% of Louisiana places with climate records.
It almost never snows. Its typical July afternoon high is 91°F.
NOAA U.S. Climate Normals, 1991–2020
The average commute for Slidell comes to 29 minutes. Most people who work leave Slidell to do it: just 19% work in town. Jobs in Slidell grew by 2,069 from 2013 to 2023, reaching 15,544. Slidell: 16% of residents live below the poverty line.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 19% | 9.8% | 8% |
| Average trip to work | 29 minutes | 24 minutes | 25 minutes |
| Below the poverty line | 16% | 20% | 9.6% |
| Work from home | 11% | 5.6% | 11% |
Census LEHD 2023 · ACS
People 65 and older are 21% of residents (17% statewide). The share of adults 25 and older in Slidell who hold a bachelor’s degree or more: 31%. Its age of the median resident comes in at 38.9 years.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Aged 65 or older | 21% | 16% | 18% |
| Bachelor’s degree or more, 25+ | 31% | 20% | 29% |
| Under 18 | 24% | 24% | 22% |
| Median age | 38.9 years | 37.8 years | 40.5 years |
52% women, 48% men
That’s an even split within the survey’s margin of ±2 points. Across Louisiana, 51.1% of residents are women.
| Slidell | LA | U.S. | |
|---|---|---|---|
| Under 10 | 13.7% | 12.6% | 11.6% |
| 10 to 17 | 10% | 10.9% | 10.3% |
| 18 to 24 | 7.7% | 9.1% | 9.1% |
| 25 to 34 | 13.2% | 13.3% | 13.7% |
| 35 to 44 | 14.2% | 13.3% | 13.2% |
| 45 to 54 | 8.8% | 11.5% | 12.2% |
| 55 to 64 | 11% | 12.6% | 12.7% |
| 65 to 74 | 12.6% | 10.2% | 10.2% |
| 75 and older | 8.8% | 6.5% | 7% |
| No diploma | 10% | 12.7% | 10.4% |
| High school | 25% | 32.5% | 26% |
| Some college | 26.9% | 20.4% | 19.1% |
| Associate’s | 6.8% | 7.3% | 8.8% |
| Bachelor’s | 21.5% | 17% | 21.6% |
| Graduate | 9.9% | 10.1% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates
Values fell 3% in the past year while the Louisiana typical home rose 2.1%. The typical value, about $223K, is 13% below its August 2022 peak.
On the market in Slidell: a median 66 days to sell. Over the 12 months to September 2026, the typical home lost 3% of its value. Also worth knowing: in Slidell, the going rate for rent is $1,375 a month.
| Slidell | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Median rent | $1,375 a month | $989 a month | $1,185 a month |
| Households that own their home | 69% | 68% | 73% |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
1 within 15 miles of the center of Slidell
About 6 of every 100 Slidell residents are enrolled in college, about the same as Louisiana.
2.8% of the town is conserved land, across 13 parks and preserves.
7 places in Slidell on the National Register of Historic Places.
15 notable people were born in Slidell.
City in Louisiana, United States
Slidell is a city on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 28,781 at the 2020 census, making it the sixteenth-most populous city in Louisiana. It is part of the New Orleans−Metairie−Kenner metropolitan statistical area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Slidell grades C overall, better than 25% of U.S. towns and #89 of 161 in Louisiana. It grades C− for health, C− for safety and A− for schools. Hazard risk is its weak spot, with a D−.
Within Louisiana, it does better than 67% of towns.
That is 2.7 years of the area's median household income ($81,202 across the Slidell-Mandeville-Covington, LA metro area). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B−.
15 notable people were born here, including Tony Canzoneri and Mike Fontenot.
