|Parish||West Baton Rouge|
|Elevation||20 ft (6.1 m)|
|Area||1.8 sq mi (4.7 km2)|
|- land||1.8 sq mi (5 km2)|
|- water||0.0 sq mi (0 km2), 0%|
|Density||1,230.5 / sq mi (475.1 / km2)|
|Mayor||Carroll P. Bourgeois|
|- summer (DST)||CDT (UTC-5)|
Addis was named for J. W. Addis, a railroad official.
Addis is located at (30.354585, -91.264672).
According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.7 km2), all of it land.
As of the census of 2000, there were 2,238 people, 803 households, and 598 families residing in the town. The population density was 1,230.5 people per square mile (474.8/km²). There were 864 housing units at an average density of 475.0 per square mile (183.3/km²). The racial makeup of the town was 76.14% White, 22.97% African American, 0.22% Native American, 0.13% Asian, 0.04% from other races, and 0.49% from two or more races. Hispanic or Latino of any race were 0.98% of the population.
There were 803 households out of which 40.6% had children under the age of 18 living with them, 51.6% were married couples living together, 16.6% had a female householder with no husband present, and 25.5% were non-families. 21.2% of all households were made up of individuals and 6.6% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.25.
In the town the population was spread out with 29.8% under the age of 18, 11.6% from 18 to 24, 31.5% from 25 to 44, 19.2% from 45 to 64, and 7.9% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 94.6 males. For every 100 females age 18 and over, there were 87.1 males.
The median income for a household in the town was $36,188, and the median income for a family was $39,625. Males had a median income of $34,559 versus $21,799 for females. The per capita income for the town was $14,907. About 12.6% of families and 17.5% of the population were below the poverty line, including 22.7% of those under age 18 and 9.7% of those age 65 or over.
The town is home to the tower for WVLA-33 TV from Baton Rouge.
The current Mayor of Addis is Carroll P. Bourgeois. There are five Councilmembers. Addis is currently represented in the Louisiana Legislature by Representative Karen Gaudet St. Germain (D-60th District), and Sen. Robert Marionneaux, Jr. (D-17th District). In the U.S. House of Representatives, the town is represented by Rep. Bill Cassidy (R-Baton Rouge).
- Louisiana Municipal Association (2010). "Municipality Details". Retrieved 2010-07-07.
- Leeper, Clare D'Artois (19 October 2012). Louisiana Place Names: Popular, Unusual, and Forgotten Stories of Towns, Cities, Plantations, Bayous, and Even Some Cemeteries. LSU Press. p. 10. ISBN 978-0-8071-4740-5.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.