Lake Arthur
- Population
- 2,736 (2020)
- Type
- Town
- Area
- 1.85 sq mi (4.8 km²), 0.57 sq mi water
- Median age
- 39.8
- Households
- 1,559
- Persons per household
- 2.5
- Median household income
- $41,773
- Average house value
- $104,600
- Businesses
- 56
- Employees
- 392
- Government
- TOWN OF LAKE ARTHUR
- Government office
- PO BOX AK, LAKE ARTHUR, LA 70549