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.
11 miles of trail in 13 parks and preserves. The trail density in Slidell is 0.7 miles per square mile. 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
Its public schools are run by the St. Tammany Parish school district. Three of its 19 schools are below, each with why it’s listed.
| 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.
Since 1978, 8,172 flood insurance claims have been paid out in Slidell.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Slidell’s property crime rate is 23.4 per 1,000 residents. Slidell reports more crime per resident than most U.S. towns we grade: about 79% report less. Slidell’s violent crime rate is 2.7 per 1,000 residents.
| 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.
Slidell beats the Louisiana average on 2 of 32 CDC measures and trails it on 1. 20% of Slidell adults worry about having enough food.
| 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.
Slidell has warm winters and warm summers, with plenty of rain. Snow is almost unheard of.
NOAA U.S. Climate Normals, 1991–2020
Most working residents leave Slidell for work: only 19% work in town. Jobs based in Slidell grew to 15,544 in 2023, 2,069 more than in 2013. 16% of residents live below the poverty line in Slidell.
| 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). 31% of adults 25 and older have a bachelor’s degree or more, vs 27% across Louisiana.
| 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.
Typical home values fell 3% in the year to September 2026.
| 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% |
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.
