Lofa is a county in the northernmost portion of Liberia. One of 15 counties that constitute the first-level of administrative division in the nation, it has nine districts. Voinjama serves as the capital with the area of the county measuring 3,854 square miles (9,980 km2). As of the 2022 Census, it had a population of 367,376, making it Liberia's fourth most populous county.