Galliano, LA Elevation & Topographic Map
Elevation
25 ft 8 m17 ft 5 m13 ft 4 m5 ft 1 m−3 ft −1 m−8 ft −2 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Galliano sits about 1 ft (0 m) below sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
−1 ft 0 m
most residents: −4–2 ft
Lowest
−8 ft −2 m
on the southwest side
Highest
5 ft 2 m
on the northwest side
Average
−2 ft −1 m
all land inside the CDP boundary
Galliano is nearly flat: its ground varies by only about 13 ft, so the figures below sit close together.
About 73% of residents live below sea level.
83% of Galliano's land lies below the average daily high tide (MHHW, NOAA), and 17% lies less than 3 ft above it. Check flood zones on FEMA's map
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | −1 ft0 m |
| Highest point Inside the CDP boundary, on the northwest side | 5 ft2 m |
| Lowest point Inside the CDP boundary, on the southwest side | −8 ft−2 m |
| Town center USGS map point for Galliano | 3 ft1 m |
| Airport (GAO) FAA airport elevation, the highest point of its runways, 1.6 mi east of the CDP boundary | 0 ft0 m |
| Average of all land | −2 ft−1 m |
Topographic Map
- Location
- Unincorporated community (census-designated place) in Lafourche Parish, Louisiana, United States
- Population
- 7,100 2020 Census
- Land area
- 11.1 sq mi
- Density
- 637 per sq mi
- Coordinates
- 29.4422° N, 90.2992° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Coastal Plain
- Drains to
- Gulf of America
- Airport
- South Lafourche Leonard Miller Jr (GAO) 0 ft
- ZIP codes 2
- 70345 70354
⤓ Download this map
WebP, 1200 × 900. Free to use: credit “ElevationOf.com” with a link to this page.
Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Lockport3 ft
- Larose2 ft
- Barataria1 ft
- Lockport Heights1 ft
- Bourg1 ft
- Montegut1 ft
- Lafitte1 ft
- Chauvin1 ft
- Cut Off0 ft
- Golden Meadow0 ft
- Galliano−1 ft
Rankings by typical elevation
- Towns in Louisiana464th highest of 481
- Towns in Lafourche Parishlowest of 15
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Galliano is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones; NOAA tidal surfaces (MHHW). All public domain.