Terraria Item ID List

1-iron Pickaxe
2-Dirt Block
3-Stone Block
4-Iron Broadsword
5-Mushroom
6-Iron Shortsword
7-Iron Hammer
8-Torch
9-Wood
10-Iron axe
11-Iron Ore
12-Copper Ore
13-Gold Ore
14-Silver Ore
15-Copper Watch
16-Silver Watch
17-Gold Watch
18-Depth Meter
19-Gold Bar
20-Copper Bar
21-Silver Bar
22-Iron Bar
23-Gel
24-Wooden Sword
25-Door
26-Stone Wall
27-Acorn
28-Lesser Healing Potion
29-Life Crystal
30-Dirt Wall
31-Bottle
32-Table
33-Furnace
34-Chair
35-Anvil
36-Work Bench
37-Goggle
38-Lens
39-Wooden bow
40-Arrow
41-Flaming arrow
42-Shuriken
43-Suspicious Looking Eye
44-Demon Bow
45-War Axe of the Night
46-Light's Bane
47-Unholy Arrow
48-Chest
49-Band of Regeneration
50-Magic Mirror
51-Jester's Arrow
52-Angel Statue
53-Cloud in a Bottle
54-Hermes Boots
55-Enchanted Boomerang
56-Demonite Ore
57-Demonite Bar
58-20 HP
59-Corrupt Seeds
60-Vile Mushroom
61-Ebonstone Block
62-Grass Seed
63-SunFlower
64-Vilethorn
65-Starfury
66-Purification Powder
67-Vile Powder
68-Rotten Chunk
69-Worm Tooth
70-Worm Food
71-Copper Coin
72-Silver Coin
73-Gold Coin
74-Platinum Coin
75-Fallen Star
76-Copper Greaves
77-Iron Greaves
78-Silver Greaves
79-Gold Greaves
80-Copper Chainmail
81-Iron Chainmail
82-Silver Chainmail
83-Gold Chainmail
84-Grappling Hook
85-iron Chain
86-Shadow Scale
87-Piggy Bank
88-Miner Helmet
89-Copper Helmet
90-Iron Helmet
91-Silver Helmet
92-Gold Helmet
93-Wood Wall
94-Wood PlatForm
95-FlintLock Pistol
96-Musket
97-Musket Bal
98-MiniShark
99-Iron Bow
100-Shadow Greaves
101-Shadow Scalemail
102-Shadow Helmet
103-Nightmare Pickaxe
104-The Breaker
105-Candle
106-Copper Chandelier
107-Silver Chandelier
108-Gold Chandelier
109-Mana Crystal
110-Lesser Mana Potion
111-Band of Starpower
112-Flower of Fire
113-Magic Missile
114-Dirt Rod
115-Orb of Light
116-Meteorite
117-Meteorite Bar
118-Hook
119-Flamarang
120-Molten Fury
121-Fiery Greatsword
122-Molten Pickaxe
123-Meteor Helmet
124-Meteor Suit
125-Meteor Leggings
126-Angel Statue
127-Space Gun
128-Rocket Boots
129-Gray Brick
130-Gray Brick Wall
131-Red Brick
132-Red Brick Wall
133-Clay Block
134-Blue Brick
135-Blue Brick Wall
136-Chain Lantern
137-Green Brick
138-Green Brick Wall
139-Pink Brick
140-Pink Brick Wall
141-Gold Brick
142-Gold Brick Wall
143-Silver Brick
144-Silver Brick Wall
145-Copper Brick
146-Copper Brick Wall
147-Spike
148-Water Candle
149-Book
150-Cobweb
151-Necro Helmet
152-Necro Breastplate
153-Necro Greaves
154-Bone
155-Muramasa
156-Cobalt Shield
157-Aqua Scepter
158-Lucky Horseshoe
159-Shiny Red Ballon
160-Harpoon
161-Spiky Ball
162-Ball 'O Hurt
163-Blue Moon
164-HandGun
165-Water Bolt
166-Bomb
167-Dynamite
168-Grenade
169-Sand
170-Glass
171-Sign
172-Ash Block
173-Obsidian
174-HellStone
175-HellStone Bar
176-Mud Block
177-Sapphire
178-Ruby
179-Emerald
180-Topaz
181-Amethyst
182-Diamond
183-Glowing Mushroom
184-20 MP
185-Ivy Whip
186-Breathing Reed
187-Flipper
188-Healing Potion
189-Mana Potion
190-Blade of Grass
191-Thorn Chakrum
192-Obsidian Brick
193-Obsidian Skull
194-Mushroom Grass Seeds
195-Jungle Grass Seeds
196-Wooden Hammer
197-Star Cannon
198-Blue Phaseblade
199-Red Phaseblade
200-Green Phaseblade
201-Purple Phaseblade
202-White Phaseblade
203-Yellow Phaseblade
204-Meteor Hamaxe
205-Bucket
206-Water Bucket
207-Lava Bucket
208-Jungle Rose
209-Stinger
210-Vine
211-Feral Claws
212-Anklet of the Wind
213-Staff of Regrowth
214-Hellstone Brick
215-Whoopie Cushion
216-Shackle
217-Molten Hamaxe
218-Flamelash
219-Phoenix Blaster
220-Sunfury
221-HellForge
222-Clay Pot
223-Nature's Gift
224-Bed
225-Silk
226-Lesser Restoration Potion
227-Restoration Potion
228-Cobalt Helmet
229-Cobal Breastplate
230-Cobalt Greaves
231-Molten Helmet
232-Molten Breastplate
233-Molten Greaves
234-Meteor Shot
235-Sticky Bomb
236-Black Lens
237-Sunglasses
238-Wizard Hat
239-Top Hat
240-Tuxedo Shirt
241-Tuxedo Pants
242-Summer Hat
243-Bunny Hood
244-Plumber's Hat
245-Plumber's Shirt
246-Plumber's Pants
247-Hero's Hat
248-Hero's Shirt
249-Hero's Pants
250-Fish Bowl
251-Archaeologist's Hat
252-Archaeologist's Jacket
253-Archaeologist's Pants
254-Black Dye
255-Green Dye
256-Ninja Hood
257-Ninja Shirt

258-Ninja Pants
259-Leather
260-Red Hat
261-Goldfish
262-Robe
263-Robot Hat
264-Gold Crown
265-Hellfire Arrow
266-Sandgun
267-Guide Voodoo Doll
268-Diving Helmet
269-Familiar Shirt
270-Familiar Pants
271-Familiar Wig
272-Demon Scythe
273-Night's Edge
274-Dark Lance
275-Coral
276-Cactus
277-Trident
278-Silver Bullet
279-Throwing Knife
280-Spear
281-Blowpipe
282-Glowstick
283-Seed
284-Wooden Boomerang
285-Aglet
286-Sticky Glowstick
287-Poisoned Knife
288-Obsidian Skin Potion
289-Regeneration Potion
290-Swiftness Potion
291-Gills Potion
292-Ironskin Potion
293-Mana Regeneration Potion
294-Magic Power Potion
295-Featherfall Potion
296-Spelunker Potion
297-Invisibility Potion
298-Shine Potion
299-Night Owl Potion
300-Battle Potion
301-Thorns Potion
302-Water Walking Potion
303-Archery Potion
304-Hunter Potion
305-Gravitation Potion
306-Gold Chest
307-Daybloom Seeds
308-Moonglow Seeds
309-Blinkroot Seeds
310-Deathweed Seeds
311-Waterleaf Seeds
312-Fireblossom Seeds
313-Daybloom
314-Moonglow
315-Blinkroot
316-Deathweed
317-Waterleaf
318-Fireblossom
319-Shark Fin
320-Feather
321-Tombstone
322-Mime Mask
323-Antlion Mandible
324-Illegal Gun Parts
325-The Doctor's Shirt
326-The Doctor's Pants

Let me guess, this is a list to help people cheat their way to victory?

Here is what is new from 1.04 update
235-Sticky Bomb
236-Black Lens
237-Sunglasses
238-Wizard Hat
239-Top Hat
240-Tuxedo Shirt
241-Tuxedo Pants
242-Summer Hat
243-Bunny Hood
244-Plumber's Hat
245-Plumber's Shirt
246-Plumber's Pants
247-Hero's Hat
248-Hero's Shirt
249-Hero's Pants
250-Fish Bowl
251-Archaeologist's Hat
252-Archaeologist's Jacket
253-Archaeologist's Pants
254-Black Dye
255-Green Dye
256-Ninja Hood
257-Ninja Shirt
258-Ninja Pants
259-Leather
260-Red Hat
261-Goldfish
262-Robe
263-Robot Hat
264-Gold Crown

First post updated! Thanks bud!

Here is what's new from 1.0.5 !!

265-Hellfire Arrow
266-Sandgun
267-Guide Voodoo Doll
268-Diving Helmet
269-Familiar Shirt
270-Familiar Pants
271-Familiar Wig
272-Demon Scythe
273-Night's Edge
274-Dark Lance
275-Coral
276-Cactus
277-Trident
278-Silver Bullet
279-Throwing Knife
280-Spear
281-Blowpipe
282-Glowstick
283-Seed
284-Wooden Boomerang
285-Aglet
286-Sticky Glowstick
287-Poisoned Knife
288-Obsidian Skin Potion
289-Regeneration Potion
290-Swiftness Potion
291-Gills Potion
292-Ironskin Potion
293-Mana Regeneration Potion
294-Magic Power Potion
295-Featherfall Potion
296-Spelunker Potion
297-Invisibility Potion
298-Shine Potion
299-Night Owl Potion
300-Battle Potion
301-Thorns Potion
302-Water Walking Potion
303-Archery Potion
304-Hunter Potion
305-Gravitation Potion
306-Gold Chest
307-Daybloom Seeds
308-Moonglow Seeds
309-Blinkroot Seeds
310-Deathweed Seeds
311-Waterleaf Seeds
312-Fireblossom Seeds
313-Daybloom
314-Moonglow
315-Blinkroot
316-Deathweed
317-Waterleaf
318-Fireblossom
319-Shark Fin
320-Feather
321-Tombstone
322-Mime Mask
323-Antlion Mandible
324-Illegal Gun Parts
325-The Doctor's Shirt
326-The Doctor's Pants

Thanks again

This list is quite helpful, thank you for it!
I did notice 1 error in the list, however. Item_34 should be a chair, not a door. I noticed this after finding no chair in the list.

fixed!

What are the npc's ID's?

They don't have ID's