Caddo Parish, LA
Caddo Parish covers an area of 937 mi². Originally a significant center for cotton production, Caddo was established in 1838 and has a population of 242,922. The area experiences an average of 52 inches of rain, 1 inch of snow and 214 days of sunshine per year. The county seat is currently located in Shreveport.
East Baton Rouge Parish, LA
East Baton Rouge Parish straddles the I-10 and I-12 interchange and covers an area of 471 mi². Located in eastern Louisiana, it is the most populous county in the state with a population of 440,956. Established in 1812, the county seat is currently located in the state capital, Baton Rouge. East Baton Rouge Parish has voted for the winner of the presidential race in all but two elections.
Jefferson Parish, LA
Jefferson Parish covers an area of 665 mi² and can be found in the coastal region of Louisiana. It was named for former President Thomas Jefferson. It has a population of 434,051. Established in 1825, the county seat is currently located in Metairie. Jefferson Parish was hit by Hurricane Katrina, but was less devastated than neighboring Orleans Parish - managing to recover much faster.
Orleans Parish, LA
Legally the same as the city of New Orleans, Orleans Parish is conisdered a city-parish. It covers an area of 349.8 mi² and is located in the coastal region of Louisiana. With a population of 391,006, it is the third most populous county in the state as of 2018. The county seat is New Orleans, well-known for its French Quarter and Mardi Gras festival. Orleans Parish was established in 1807.
St. Tammany Parish, LA
St. Tammany Parish is often referred to by locals as the "North Shore". It was established in 1810 and encompasses an area of 1,124 mi². It is the fourth most populous county in the state. It is located next to Lake Pontchartrain and is one of the wealthiest parishes in Louisiana.