what county is covington la
Average Family Size: 2.8. Covington is the Parish seat of St Tammany Parish, South East Louisiana, 37 miles north of New Orleans and Madisonville, on the Bogue Falia, U.S. Route 190, East of Hammond, South West of Bogalusa, near Lake Pontchartrain. The site was first settled in 1769 and incorporated in 1813.