Majority of the males (62.02%) falling under working age population were employed while only a little over 10% of the females were employed. Out of the municipality?s labor force, majority (52.54%) were not economically active who were either too old, sick, or still at school age. Overall, the total employment rate in Castilla was only 40.95% while unemployment was recorded at 6.50%. This is expected considering that there is inadequate employment opportunity in the municipality.
Total dependency ratio in Castilla was computed at 86.57%, which indicates more mouths to feed for those with gainful employment. Young dependency ratio was computed at 79.97% while old dependency ratio was 6.60%.
Farming and fishing are the main employment opportunities but are characteristically seasoned in nature. Castilla has 13 coastal barangays, which depend on fishing as the main economic activity.
Barangays
Castilla is politically subdivided into 34 barangays.
Amomonting
Bagalayag
Bagong Sirang
Bonga
Buenavista
Burabod
Caburacan
Canjela
Cogon
Cumadcadcad
Dangcalan
Dinapa
La Union
Libtong
Loreto
Macalaya
Maracabac
Mayon
Milagrosa
Miluya
Maypangi
Monte Carmelo
Oras
Pandan
Poblacion
Quirapi
Saclayan
Salvacion
San Isidro
San Rafael
San Roque
San Vicente
Sogoy
Tomalaytay
it gained significant economic progress with the help of former Town Mayor Renato G.Laurinaria,now the Provincial Vice-Governor,wherein a small seaport was also developed and still being expanded