West Baton Rouge County GIS Maps
West Baton Rouge County, Louisiana, has 27,199 residents and covers 192.4 square miles. The population grew 14.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for West Baton Rouge County is 22121.
Addis is the county's largest population center. West Baton Rouge County also includes 4 zip codes, 1 public school district and 20 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.
West Baton Rouge County Trends
- Population
- 27,199▴
- Median Home Value
- $225,900▴
- K-12 Enrollment
- 4,153▾
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.
West Baton Rouge 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.
West Baton Rouge County Population
West Baton Rouge County had 27,199 residents in 2020. That was 14.3% higher than in 2010. West Baton Rouge County added 5,598 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 141 people per square mile. Some of the county's most populated postal areas include Port Allen, Addis and Brusly.
Population Trend in West Baton Rouge County LA
West Baton Rouge County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
West Baton Rouge County Zip Codes
West Baton Rouge County has 4 zip codes. Some of the county's most populated zip codes include Port Allen (70767), Addis (70710) and Brusly (70719). Port Allen is the largest zip by population, with about 15,309 residents or 56% of the county total. Together, the three largest zips account for about 97% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in West Baton Rouge County LA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 70767 | Port Allen | 15,309 | ▴ 2.6% |
| 70710 | Addis | 6,749 | ▴ 87.8% |
| 70719 | Brusly | 4,396 | ▾ -1.4% |
| 70729 | Erwinville | 967 | ▾ -6.3% |
| Download all zip code data | |||
West Baton Rouge County Zip Code populations and trends per most recent census data.
West Baton Rouge County Demographics
West Baton Rouge County has a median age of 36.6, which makes the county a little younger than Louisiana overall. About 23.6% of residents are under 18, while 14.4% 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 38.1% of the population, which points to a solid working-age base. About 23.1% 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 West Baton Rouge County LA
Median Age
36.6
Under 18
23.6%
Age 65+
14.4%
Bachelor's+
23.1%
West Baton Rouge County School Districts
West Baton Rouge County is served by 1 public school district with 4,153 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 grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in West Baton Rouge County LA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| West Baton Rouge Parish School District | 4,153 | 100% | ▾ -5.1% |
| Download all school district data | |||
West Baton Rouge County school district enrollment and trends per most recent NCES reporting data.
West Baton Rouge County Housing & Real Estate
West Baton Rouge County has a median home value of $225,900 and a median gross rent of $1,021. About 76% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Louisiana median, while rents come in below the state average. In March 2026, the median listing price was $277,500 and homes spent about 34 days on the market.
West Baton Rouge County Housing Mix
West Baton Rouge County housing mix: owner, renter and vacant units.
West Baton Rouge County Housing Trends
West Baton Rouge County median home value and rent trend (last 5 years).
Businesses in West Baton Rouge County, LA
West Baton Rouge County has 1,134 business listings across 339 categories. The largest categories in West Baton Rouge County business listings are Contractors (31, 2.7%), Churches & Religious Organizations (31, 2.7%), and Gas Stations (31, 2.7%). The full West Baton Rouge County business listings dataset includes names, categories, addresses and contact details where available. West Baton Rouge County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in West Baton Rouge County, LA
| Category | Businesses | Share |
|---|---|---|
| Contractors | 31 | 2.7% |
| Churches & Religious Organizations | 31 | 2.7% |
| Gas Stations | 31 | 2.7% |
| Fast Food | 23 | 2.0% |
| Beauty Salons | 21 | 1.9% |
| Freight And Cargo Service | 21 | 1.9% |
| Auto Repair | 19 | 1.7% |
| Hotels | 19 | 1.7% |
| Casinos | 18 | 1.6% |
| Baptist Church | 17 | 1.5% |
West Baton Rouge County Business Listings
| Business | Category | City |
|---|---|---|
| Louisiana Athletics Brusly | Active Life | Port Allen |
| Recovery Support at Addis | Addiction Rehabilitation Center | Addis |
| Crazy Horse Cabaret | Adult Entertainment | Port Allen |
| Bear Industries Inc | Aggregate Supplier | Port Allen |
| R Schexnayder & Sons | Agricultural Service | Port Allen |
| Trabeauxs Farms | Agriculture | Erwinville |
| Omni Airport | Airport | Port Allen |
| Court Street Cafe | American Restaurants | Port Allen |
| West Baton Rouge Animal Control | Animal Rescue Service | Port Allen |
| Sugar Mill Apartments | Apartments | Addis |
| Download West Baton Rouge County business listings | ||
West Baton Rouge County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
West Baton Rouge County Basemaps
West Baton Rouge 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 West Baton Rouge County Data Package
This page shows a preview of what's included in the West Baton Rouge 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 West Baton Rouge County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.