[3] The town's economy is largely agricultural, with rice as the principal product.

During World War II, the local military establishment of the main general headquarters and main camp base of the Philippine Commonwealth Army was active from 1942 to 1945 and the 2nd Constabulary Regiment of the Philippine Constabulary was founding again on 1944 to 1946 and they military stationed at the town of Llanera.

From the engagements of all clearing operations of the Anti-Japanese Imperial Military Operations in Central Luzon included the province of Pampanga, Nueva Ecija, Tarlac, Bulacan, Zambales and Northern Tayabas (now.

The municipality is traversed by a national road leading to Aurora province.

Poverty Incidence of Llanera Source: Philippine Statistics Authority[11][12][13][14][15][16][17][18]