Iberville County GIS Maps
Iberville County, Louisiana, has 30,241 residents and covers 618.6 square miles. The population declined 9.4% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Iberville County is 22047.
St. Gabriel is the county's largest population center. Iberville County also includes 8 zip codes, 1 public school district and 26 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Iberville County Trends
- Population
- 30,241▾
- Median Home Value
- $177,100▴
- K-12 Enrollment
- 4,076▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Iberville County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Iberville County Population
Iberville County had 30,241 residents in 2020. That was 9.4% lower than in 2010. Iberville County had 3,079 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 49 people per square mile. Some of the county's most populated postal areas include Plaquemine, Saint Gabriel and White Castle.
Population Trend in Iberville County LA
Iberville County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Iberville County Zip Codes
Iberville County has 8 zip codes. Some of the county's most populated zip codes include Plaquemine (70764), Saint Gabriel (70776) and White Castle (70788). Plaquemine is the largest zip by population, with about 15,616 residents or 52% of the county total. Together, the three largest zips account for about 83% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Iberville County LA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 70764 | Plaquemine | 15,616 | ▾ -11.2% |
| 70776 | Saint Gabriel | 5,891 | ▾ -2.5% |
| 70788 | White Castle | 3,692 | ▾ -8.9% |
| 70757 | Maringouin | 3,056 | ▾ -3.8% |
| 70740 | Grosse Tete | 1,181 | ▾ -9.5% |
| Download all zip code data | |||
Iberville County Zip Code populations and trends per most recent census data.
Iberville County Demographics
Iberville County has a median age of 40.3, which makes the county a little older than Louisiana overall. About 20.9% of residents are under 18, while 17.3% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 33.3% of the population, which points to a solid working-age base. About 16.6% of adults have a bachelor's degree or higher, above the statewide figure of 26.6%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Iberville County LA
Median Age
40.3
Under 18
20.9%
Age 65+
17.3%
Bachelor's+
16.6%
Iberville County School Districts
Iberville County is served by 1 public school district with 4,076 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Iberville County LA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Iberville Parish School District | 4,076 | 100% | ▾ -5.1% |
| Download all school district data | |||
Iberville County school district enrollment and trends per most recent NCES reporting data.
Iberville County Housing & Real Estate
Iberville County has a median home value of $177,100 and a median gross rent of $817. About 76% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Louisiana median, while rents come in below the state average. In March 2026, the median listing price was $243,250 and homes spent about 99 days on the market.
Iberville County Housing Mix
Iberville County housing mix: owner, renter and vacant units.
Iberville County Housing Trends
Iberville County median home value and rent trend (last 5 years).
Businesses in Iberville County, LA
Iberville County has 1,023 business listings across 314 categories. The largest categories in Iberville County business listings are Churches & Religious Organizations (46, 4.5%), Baptist Church (38, 3.7%), and Public And Government Association (18, 1.8%). The full Iberville County business listings dataset includes names, categories, addresses and contact details where available. Iberville County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Iberville County, LA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 46 | 4.5% |
| Baptist Church | 38 | 3.7% |
| Public And Government Association | 18 | 1.8% |
| Chemical Plant | 16 | 1.6% |
| Gas Stations | 16 | 1.6% |
| Landmark And Historical Building | 15 | 1.5% |
| Convenience Stores | 14 | 1.4% |
| Beauty Salons | 13 | 1.3% |
| Grocery Stores | 12 | 1.2% |
| Contractors | 11 | 1.1% |
Iberville County Business Listings
| Business | Category | City |
|---|---|---|
| P J Caballero, CPA APC | Accountant | White Castle |
| Copac | Active Life | Plaquemine |
| J. Supple's Sons Planting Company Land for Sale | Agriculture | White Castle |
| Acadian Ambulance Service | Ambulance And Ems Services | Grosse Tete |
| Bayou Blue | American Restaurants | Iberville Parish |
| Iberville Parish Animal Control | Animal Shelters | Plaquemine |
| Plaquemine Depot Market | Antique Store | Plaquemine |
| American Legion | Arcade | Plaquemine |
| Gillis W. Long Center | Armed Forces Branch | Carville |
| The Art Studio On Main | Art School | Plaquemine |
| Download Iberville County business listings | ||
Iberville County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Iberville County Basemaps
Iberville County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Iberville County Data Package
This page shows a preview of what's included in the Iberville County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Iberville County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.