Biloxi, MS GIS Map
Biloxi is a city in Harrison County, Mississippi, with a population of about 46,212. The map below shows its location, boundary and surrounding roads, with federal GIS layers you can turn on for the area.
- County
- Harrison County
- Population
- 46,212
- Elevation
- 20 ft
- Coordinates
- 30.3960, -88.8853
- ZIP codes (6)
- 39530, 39531, 39532, 39533, 39534, 39535
- Land area
- 42.9 sq mi
- Time zone
- America/Chicago
About Biloxi, MS
Biloxi is a city in Harrison County, Mississippi, United States. It lies on the Gulf Coast in southern Mississippi, bordering the city of Gulfport to its west. The adjacent cities are both designated as seats of Harrison County. The population of Biloxi was 49,449 at the 2020 census, making it the state's fourth-most populous city. It is a principal city of the Gulfport–Biloxi metropolitan area, home to 416,259 residents in 2020. The area's first European settlers were French colonists.
Source: Wikipedia (CC BY-SA 4.0)
Cities Near Biloxi
- D'Iberville, MS2 mi
- Ocean Springs, MS4 mi
- Gulfport, MS13 mi
- Long Beach, MS16 mi
- Pascagoula, MS20 mi
- Moss Point, MS21 mi
- Bay St. Louis, MS27 mi
- Picayune, MS48 mi
Other Cities in Harrison County
GIS Data for Biloxi, MS
The Biloxi map loads live federal GIS layers in your browser, so you can check flood zones, terrain, land cover and district boundaries for any address in Biloxi without a separate GIS login. Everything below is drawn from public U.S. government data.
Layers you can turn on
FEMA flood zones
National Flood Hazard Layer — flood insurance rate map zones.
Elevation contours and hillshade
USGS 3DEP terrain, so you can read slope and relief.
Land cover
NLCD land cover classes — forest, developed, wetland, water.
School districts
Census TIGER unified and elementary school district boundaries.
ZIP code and county boundaries
Census TIGER ZCTA and county boundary lines.
Map tools
Measure distance and area
Draw a line or polygon to get length in miles or area in acres.
Sketch and annotate
Add points, lines and shapes on top of the map.
Inspect any point
Click the map to read coordinates, elevation and the layers under your cursor.
Download the map
Save the current view as a PNG image.
Biloxi Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
48,861
Households
19,914
Median household income
$57,204
Median age
36.6 years
Median home value
$225,100
Median gross rent
$1,089/mo
Owner-occupied homes
50.1%
Bachelor's degree or higher
30.6%
Below poverty level
16.4%
Land area
42.9 sq mi
Population density
1,138 / sq mi
County
Biloxi Population Growth
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
2010 Census
44,054
April 2020 (estimates base)
49,442
July 2024 estimate
48,144
Change 2010-2020
+12.2%
Change 2020-2024
-2.6%
Photos of Biloxi
Hover over a photo to see it larger. Tap on mobile.
Photos from Wikimedia Commons, taken in or near Biloxi. Credits and licenses are shown in the larger view.
Soils of Biloxi
General soil map unit at the city center: Troup-Poarch-Harleston-Eustis
Soil Properties
- Drainage class
- Somewhat excessively drained
- Hydrologic soil group
- A (high infiltration, low runoff)
- Available water storage (0–150 cm)
- 18.0 cm
- Typical slope
- 3%
- Flooding frequency
- None
- Min. annual water table depth
- 114 cm
Soil Components
- Eustis31%
Ultisols · Psammentic Paleudults
- Poarch15%
Ultisols · Plinthic Paleudults
- Troup13%
Ultisols · Grossarenic Kandiudults
- Pamlico9%
Histosols · Terric Haplosaprists
- Harleston6%
Ultisols · Aquic Paleudults
- Atmore6%
Ultisols · Plinthic Paleaquults
Source: USDA NRCS U.S. General Soil Map (STATSGO2). General soil map data (1:250,000 scale) is not suitable for site-specific decisions.
Climate of Biloxi
30-year averages (1991–2020) from the Biloxi, Ms weather station, elevation 10 ft, 6.9 miles from the city center.
Warmest month
Jul · avg high 90°F
Coldest month
Jan · avg low 44°F
Annual precipitation
66.8 in
Annual snowfall
0.1 in
Average Monthly Temperatures (°F)
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 63 | 69 | 76 | 83 | 88 | 90 | 90 | 87 | 79 | 69 | 62 |
| Avg low °F | 44 | 47 | 53 | 60 | 68 | 74 | 75 | 75 | 72 | 62 | 51 | 46 |
| Precip. in | 5.37 | 4.37 | 5.72 | 5.65 | 5.23 | 7.13 | 8.09 | 6.93 | 5.24 | 3.68 | 4.36 | 5.03 |
| Snow in | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Conditions at the station may differ from other parts of the city.
Natural Hazard Risk in Biloxi
FEMA National Risk Index ratings for Harrison County, compared with all U.S. counties.
Overall risk
Score 95.6 of 100
Expected annual loss
Buildings, population & agriculture
Social vulnerability
Susceptibility to hazard impacts
Community resilience
Ability to prepare & recover
Risk by Hazard
- HurricaneVery High
- LightningVery High
- TornadoRelatively High
- Heat WaveRelatively Moderate
- WildfireRelatively Moderate
- Coastal FloodingRelatively High
- Inland FloodingRelatively Moderate
- Cold WaveRelatively Moderate
- HailRelatively Moderate
- Strong WindRelatively High
- Ice StormRelatively Moderate
- Winter WeatherRelatively Moderate
- EarthquakeRelatively Low
- DroughtRelatively Low
- LandslideVery Low
Source: FEMA National Risk Index (December 2025 release). County-level ratings are relative to other U.S. counties and are not a property-specific assessment.
Biloxi FAQ
What county is Biloxi in?
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Biloxi, Mississippi is located in Harrison County.
What is the population of Biloxi?
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Biloxi has a population of about 46,212, making it the number 5 of the 42 Mississippi cities listed on GIS Map.
What is the elevation of Biloxi?
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The elevation of Biloxi is approximately 20 feet (6 meters) above sea level at the city center.
What ZIP codes are in Biloxi?
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ZIP codes for Biloxi include 39530, 39531, 39532, 39533, 39534, 39535.
What time zone is Biloxi in?
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Biloxi is in the Central Time zone (America/Chicago).
How far is Biloxi from Jackson?
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Biloxi is about 152 miles from Jackson, the capital of Mississippi, in a straight line.
What cities are near Biloxi?
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Cities near Biloxi include D'Iberville, MS (2 miles); Ocean Springs, MS (4 miles); Gulfport, MS (13 miles); Long Beach, MS (16 miles); Pascagoula, MS (20 miles).
Local notes for Biloxi, MS
Questions and local knowledge from people who know the area. Every note is read before it appears here.