West Baton Rouge Parish, Louisiana
West Baton Rouge Parish, Louisiana, has 28,756 residents (July 2025 estimate). Its county seat is Port Allen. It uses Central Time and covers 192 sq mi (498 km²) of land. It is a county equivalent (parish).
- Resident population, July 2025
- 28,756
- Land area
- 192 sq mi (498 km²)
- County seat or government
- Port Allen
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $87,299 ± $6,685
- Median home value
- $229,900 ± $10,578
- Median rent, with utilities
- $973 ± $138
- Homes lived in by their owners
- 76.8% ± 2.5 points
- County type
- Parish
- Metro or micro area
- Baton Rouge, LA metro areaCentral parish
- Water area
- 11.4 sq mi (29.6 km²)
- State
- Louisiana
- County code (FIPS)
- 22121
- Coordinates (central point)
- 30.464052, -91.309808
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in West Baton Rouge Parish
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
5 ZIP Code areas overlap West Baton Rouge Parish. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in West Baton Rouge Parish, largest first
- West Baton Rouge Parish School District27,974 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Addis, Louisiana (town)7,252 people
- Port Allen, Louisiana (city)4,942 people
- Brusly, Louisiana (town)2,593 people
- Erwinville, Louisiana (CDP)2,420 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Iberville Parish, Louisiana14 mi south
- East Baton Rouge Parish, Louisiana14 mi northeast
- Pointe Coupee Parish, Louisiana24 mi northwest
- West Feliciana Parish, Louisiana29 mi north
- East Feliciana Parish, Louisiana30 mi northeast
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