In 2009, LEGO released 7 Castle sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Battle Pack and Fantasy Era. For that year, the total price of all retail sets cost $290, today those sets are valued around $1,815, a growth of 526%.
Most valuable 2009 LEGO Castle set
7097 Trolls' Mountain Fortress $468.45
Highest growth 2009 Castle set
7079 Drawbridge Defense +949.51%
Largest 2009 LEGO Castle set
10193 Medieval Market Village 1,601 pieces
7 sets

5372 Skeleton Chariot

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 19 / 1
Availability Retired
5372 LEGO Castle Skeleton Chariot
promotional
Value $84.26
Annual growth 37.4%

7078 King's Battle Chariot

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 103 / 4
Availability Retired
7078 LEGO Castle King's Battle Chariot
Retail $19.99
Value $164.28
Growth  +721.8%
Annual growth 8.9%

7079 Drawbridge Defense

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 335 / 7
Availability Retired
7079 LEGO Castle Drawbridge Defense
Retail $39.99
Value $419.70
Growth  +949.5%
Annual growth 10.4%

7097 Trolls' Mountain Fortress

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 844 / 10
Availability Retired
7097 LEGO Castle Trolls' Mountain Fortress
Retail $99.99
Value $468.45
Growth  +368.5%
Annual growth 8.0%

10193 Medieval Market Village

Theme / Subtheme Castle / Fantasy Era
Year 2009
Pieces / Minifigs 1,601 / 8
Availability Retired
10193 LEGO Castle Medieval Market Village
Retail $99.99
Value $381.42
Growth  +281.5%
Annual growth 4.6%

852701 Troll Warrior Battle Pack

Theme / Subtheme Castle / Battle Pack
Year 2009
Pieces / Minifigs 36 / 5
Availability Retired
852701 LEGO Castle Troll Warrior Battle Pack
Retail $14.99
Value $150.00
Growth  +900.7%
Annual growth 10.1%

852702 Dwarf Warrior Battle Pack

Theme / Subtheme Castle / Battle Pack
Year 2009
Pieces / Minifigs 45 / 5
Availability Retired
852702 LEGO Castle Dwarf Warrior Battle Pack
Retail $14.99
Value $146.48
Growth  +877.2%
Annual growth 9.1%