Pokemon Yellow - Pokemon Locations
| Area | Density (div. by 256) | 25% | 15% | 15% | 10% | 10% | 10% | 5% | 5% | 4% | 1% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Route 1 | 25 | L3 PIDGEY | L4 PIDGEY | L2 RATTATA | L3 RATTATA | L2 PIDGEY | L3 PIDGEY | L5 PIDGEY | L4 RATTATA | L6 PIDGEY | L7 PIDGEY |
| Route 2 | 25 | L3 RATTATA | L3 PIDGEY | L4 RATTATA | L4 NIDORANmA | L4 NIDORANfE | L5 PIDGEY | L6 NIDORANmA | L6 NIDORANfE | L7 PIDGEY | L7 PIDGEY |
| Route 22 | 25 | L2 NIDORANmA | L2 NIDORANfE | L3 MANKEY | L3 RATTATA | L4 NIDORANmA | L4 NIDORANfE | L5 MANKEY | L2 SPEAROW | L4 SPEAROW | L6 SPEAROW |
| Viridian Forest | 25 | L3 CATERPIE | L4 METAPOD | L4 CATERPIE | L5 CATERPIE | L4 PIDGEY | L6 PIDGEY | L6 CATERPIE | L6 METAPOD | L8 PIDGEY | L9 PIDGEOTTO |
| Route 3 | 20 | L8 SPEAROW | L9 SPEAROW | L9 MANKEY | L10 SPEAROW | L8 SANDSHREW | L10 RATTATA | L10 SANDSHREW | L12 RATTATA | L11 SPEAROW | L12 SPEAROW |
| Mt. Moon 1F | 10 | L8 ZUBAT | L9 ZUBAT | L10 GEODUDE | L6 ZUBAT | L7 ZUBAT | L10 ZUBAT | L10 GEODUDE | L11 ZUBAT | L12 SANDSHREW | L11 CLEFAIRY |
| Mt. Moon B1F | 10 | L8 ZUBAT | L9 ZUBAT | L10 ZUBAT | L10 GEODUDE | L11 GEODUDE | L11 ZUBAT | L9 PARAS | L11 PARAS | L10 CLEFAIRY | L12 CLEFAIRY |
| Mt. Moon B2F | 10 | L10 ZUBAT | L11 GEODUDE | L13 PARAS | L11 ZUBAT | L11 ZUBAT | L12 ZUBAT | L13 ZUBAT | L9 CLEFAIRY | L11 CLEFAIRY | L13 CLEFAIRY |
| Route 4 | 20 | L8 SPEAROW | L9 SPEAROW | L9 MANKEY | L10 SPEAROW | L8 SANDSHREW | L10 RATTATA | L10 SANDSHREW | L12 RATTATA | L11 SPEAROW | L12 SPEAROW |
| Route 24 | 25 | L12 ODDISH | L12 BELLSPROUT | L13 PIDGEY | L14 ODDISH | L14 BELLSPROUT | L15 PIDGEY | L13 VENONAT | L16 VENONAT | L17 PIDGEY | L17 PIDGEOTTO |
| Route 25 | 15 | L12 ODDISH | L12 BELLSPROUT | L13 PIDGEY | L14 ODDISH | L14 BELLSPROUT | L15 PIDGEY | L13 VENONAT | L16 VENONAT | L17 PIDGEY | L17 PIDGEOTTO |
| Route 9 | 15 | L16 NIDORANmA | L16 NIDORANfE | L18 RATTATA | L18 NIDORANmA | L18 NIDORANfE | L17 SPEAROW | L18 NIDORINO | L18 NIDORINA | L20 RATICATE | L19 FEAROW |
| Route 5 | 15 | L15 PIDGEY | L14 RATTATA | L7 ABRA | L16 PIDGEY | L16 RATTATA | L17 PIDGEY | L17 PIDGEOTTO | L3 JIGGLYPUFF | L5 JIGGLYPUFF | L7 JIGGLYPUFF |
| Route 6 | 15 | L15 PIDGEY | L14 RATTATA | L7 ABRA | L16 PIDGEY | L16 RATTATA | L17 PIDGEY | L17 PIDGEOTTO | L3 JIGGLYPUFF | L5 JIGGLYPUFF | L7 JIGGLYPUFF |
| Route 6 (water) | 3 | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 PSYDUCK | L15 GOLDUCK | L20 GOLDUCK |
| Route 11 | 15 | L16 PIDGEY | L15 RATTATA | L18 PIDGEY | L15 DROWZEE | L17 RATTATA | L17 DROWZEE | L18 PIDGEOTTO | L20 PIDGEOTTO | L19 DROWZEE | L17 RATICATE |
| Rock Tunnel B1F | 15 | L15 ZUBAT | L16 GEODUDE | L17 ZUBAT | L19 ZUBAT | L18 GEODUDE | L20 GEODUDE | L21 ZUBAT | L17 MACHOP | L19 MACHOP | L21 MACHOP |
| Rock Tunnel B2F | 15 | L20 ZUBAT | L17 GEODUDE | L18 MACHOP | L21 ZUBAT | L22 ZUBAT | L21 GEODUDE | L20 MACHOP | L14 ONIX | L18 ONIX | L22 ONIX |
| Route 10 | 15 | L16 MAGNEMITE | L18 RATTATA | L18 MAGNEMITE | L20 MAGNEMITE | L17 NIDORANmA | L17 NIDORANfE | L22 MAGNEMITE | L20 RATICATE | L16 MACHOP | L18 MACHOP |
| Route 12 | 15 | L25 ODDISH | L25 BELLSPROUT | L28 PIDGEY | L28 PIDGEOTTO | L27 ODDISH | L27 BELLSPROUT | L29 GLOOM | L29 WEEPINBELL | L26 FARFETCH'D | L31 FARFETCH'D |
| Route 12 (water) | 3 | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWBRO | L20 SLOWBRO |
| Route 8 | 15 | L20 PIDGEY | L22 PIDGEY | L20 RATTATA | L15 ABRA | L19 ABRA | L24 PIDGEOTTO | L19 JIGGLYPUFF | L24 JIGGLYPUFF | L20 KADABRA | L27 KADABRA |
| Route 7 | 15 | L20 PIDGEY | L22 PIDGEY | L20 RATTATA | L15 ABRA | L19 ABRA | L24 PIDGEOTTO | L26 ABRA | L19 JIGGLYPUFF | L24 JIGGLYPUFF | L24 JIGGLYPUFF |
| Pokemon Tower 3F | 10 | L20 GASTLY | L21 GASTLY | L22 GASTLY | L23 GASTLY | L24 GASTLY | L19 GASTLY | L18 GASTLY | L25 GASTLY | L20 HAUNTER | L25 HAUNTER |
| Pokemon Tower 4F | 10 | L20 GASTLY | L21 GASTLY | L22 GASTLY | L23 GASTLY | L24 GASTLY | L19 GASTLY | L18 GASTLY | L25 GASTLY | L20 HAUNTER | L25 HAUNTER |
| Pokemon Tower 5F | 15 | L22 GASTLY | L23 GASTLY | L24 GASTLY | L25 GASTLY | L26 GASTLY | L21 GASTLY | L20 CUBONE | L27 GASTLY | L22 HAUNTER | L27 HAUNTER |
| Pokemon Tower 6F | 15 | L22 GASTLY | L23 GASTLY | L24 GASTLY | L25 GASTLY | L26 GASTLY | L21 GASTLY | L22 CUBONE | L27 GASTLY | L22 HAUNTER | L27 HAUNTER |
| Pokemon Tower 7F | 20 | L24 GASTLY | L25 GASTLY | L26 GASTLY | L27 GASTLY | L28 GASTLY | L23 GASTLY | L24 CUBONE | L29 GASTLY | L24 HAUNTER | L29 HAUNTER |
| Route 13 | 15 | L25 ODDISH | L25 BELLSPROUT | L28 PIDGEOTTO | L28 PIDGEY | L27 ODDISH | L27 BELLSPROUT | L29 GLOOM | L29 WEEPINBELL | L26 FARFETCH'D | L31 FARFETCH'D |
| Route 13 (water) | 3 | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWPOKE | L15 SLOWBRO | L20 SLOWBRO |
| Route 14 | 15 | L26 ODDISH | L26 BELLSPROUT | L24 VENONAT | L30 PIDGEOTTO | L28 ODDISH | L28 BELLSPROUT | L30 GLOOM | L30 WEEPINBELL | L27 VENONAT | L30 VENOMOTH |
| Route 15 | 15 | L26 ODDISH | L26 BELLSPROUT | L24 VENONAT | L32 PIDGEOTTO | L28 ODDISH | L28 BELLSPROUT | L30 GLOOM | L30 WEEPINBELL | L27 VENONAT | L30 VENOMOTH |
| Route 16 | 25 | L22 SPEAROW | L22 DODUO | L23 RATTATA | L24 DODUO | L24 RATTATA | L26 DODUO | L23 SPEAROW | L24 FEAROW | L25 RATICATE | L26 RATICATE |
| Route 17 | 25 | L26 DODUO | L27 FEAROW | L27 DODUO | L28 DODUO | L28 PONYTA | L30 PONYTA | L29 FEAROW | L28 DODUO | L32 PONYTA | L29 DODRIO |
| Route 18 | 25 | L22 SPEAROW | L22 DODUO | L23 RATTATA | L24 DODUO | L24 RATTATA | L26 DODUO | L23 SPEAROW | L24 FEAROW | L25 RATICATE | L26 RATICATE |
| Safari Zone Central Area | 30 | L14 NIDORANmA | L36 NIDORANfE | L24 EXEGGCUTE | L20 RHYHORN | L23 NIDORINO | L27 PARASECT | L27 PARAS | L32 PARASECT | L22 TANGELA | L7 CHANSEY |
| Safari Zone Area 1 | 30 | L21 NIDORANmA | L29 NIDORANfE | L22 EXEGGCUTE | L21 TAUROS | L32 NIDORINA | L19 CUBONE | L26 EXEGGCUTE | L24 MAROWAK | L21 CHANSEY | L15 SCYTHER |
| Safari Zone Area 2 | 30 | L36 NIDORANmA | L14 NIDORANfE | L20 EXEGGCUTE | L25 RHYHORN | L23 NIDORINA | L28 KANGASKHAN | L16 CUBONE | L33 KANGASKHAN | L25 SCYTHER | L15 PINSIR |
| Safari Zone Area 3 | 30 | L29 NIDORANmA | L21 NIDORANfE | L22 EXEGGCUTE | L21 TAUROS | L32 NIDORINO | L19 CUBONE | L26 EXEGGCUTE | L24 MAROWAK | L25 PINSIR | L27 TANGELA |
| Route 19 (water) | 5 | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L20 TENTACOOL | L30 TENTACOOL | L35 TENTACOOL | L40 TENTACOOL |
| Route 20 (water) | 5 | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L20 TENTACOOL | L30 TENTACOOL | L35 TENTACOOL | L40 TENTACOOL |
| Seafoam Cave 1F | 15 | L18 ZUBAT | L25 KRABBY | L27 KRABBY | L27 ZUBAT | L36 ZUBAT | L28 SLOWPOKE | L30 SLOWPOKE | L9 ZUBAT | L27 GOLBAT | L36 GOLBAT |
| Seafoam Cave B1F | 10 | L27 ZUBAT | L26 KRABBY | L36 ZUBAT | L28 KRABBY | L27 GOLBAT | L29 SLOWPOKE | L18 ZUBAT | L28 KINGLER | L22 SEEL | L26 SEEL |
| Seafoam Cave B2F | 10 | L27 ZUBAT | L27 KRABBY | L36 ZUBAT | L27 GOLBAT | L28 KINGLER | L24 SEEL | L29 KRABBY | L36 GOLBAT | L31 SLOWPOKE | L31 SLOWBRO |
| Seafoam Cave B3F | 10 | L27 GOLBAT | L36 ZUBAT | L29 KRABBY | L27 ZUBAT | L30 KINGLER | L26 SEEL | L31 KRABBY | L30 SEEL | L28 DEWGONG | L32 DEWGONG |
| Seafoam Cave B3F (water) | 5 | L25 TENTACOOL | L30 TENTACOOL | L20 TENTACOOL | L30 STARYU | L35 TENTACOOL | L30 STARYU | L40 TENTACOOL | L30 STARYU | L30 STARYU | L30 STARYU |
| Seafoam Cave B4F | 10 | L36 GOLBAT | L36 ZUBAT | L30 KRABBY | L32 KINGLER | L28 SEEL | L32 SEEL | L27 GOLBAT | L45 ZUBAT | L30 DEWGONG | L34 DEWGONG |
| Seafoam Cave B4F (water) | 5 | L25 TENTACOOL | L30 TENTACOOL | L20 TENTACOOL | L30 STARYU | L35 TENTACOOL | L30 STARYU | L40 TENTACOOL | L30 STARYU | L30 STARYU | L30 STARYU |
| Pokemon Mansion 1F | 10 | L34 RATTATA | L34 RATICATE | L23 GRIMER | L26 GROWLITHE | L37 RATTATA | L37 RATICATE | L30 GROWLITHE | L26 GRIMER | L34 GROWLITHE | L38 GROWLITHE |
| Pokemon Mansion 2F | 10 | L37 RATTATA | L37 RATICATE | L26 GRIMER | L29 GRIMER | L40 RATTATA | L40 RATICATE | L32 GRIMER | L35 GRIMER | L35 MUK | L38 MUK |
| Pokemon Mansion 3F | 10 | L40 RATTATA | L40 RATICATE | L32 GRIMER | L35 GRIMER | L43 RATTATA | L43 RATICATE | L38 GRIMER | L38 GRIMER | L38 MUK | L41 MUK |
| Pokemon Mansion B1F | 10 | L35 GRIMER | L38 GRIMER | L37 RATICATE | L40 RATICATE | L41 MUK | L43 RATICATE | L24 DITTO | L46 RATICATE | L18 DITTO | L12 DITTO |
| Route 21 | 25 | L15 PIDGEY | L13 RATTATA | L13 PIDGEY | L11 PIDGEY | L17 PIDGEY | L15 RATTATA | L15 RATICATE | L17 PIDGEOTTO | L19 PIDGEOTTO | L15 PIDGEOTTO |
| Route 22 (water) | 5 | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L5 TENTACOOL | L10 TENTACOOL | L15 TENTACOOL | L20 TENTACOOL | L30 TENTACOOL | L35 TENTACOOL | L40 TENTACOOL |
| Unknown Dungeon 1F | 10 | L50 GOLBAT | L55 GOLBAT | L45 GRAVELER | L55 GLOOM | L55 WEEPINBELL | L52 SANDSLASH | L54 VENOMOTH | L54 PARASECT | L55 DITTO | L60 DITTO |
| Unknown Dungeon 2F | 15 | L52 GOLBAT | L57 GOLBAT | L50 GRAVELER | L56 SANDSLASH | L50 RHYHORN | L60 DITTO | L58 GLOOM | L58 WEEPINBELL | L60 RHYDON | L58 RHYDON |
| Unknown Dungeon 3F | 25 | L54 GOLBAT | L59 GOLBAT | L55 GRAVELER | L52 RHYHORN | L62 RHYDON | L60 DITTO | L56 CHANSEY | L65 DITTO | L55 LICKITUNG | L50 LICKITUNG |
| Power Plant | 10 | L30 MAGNEMITE | L35 MAGNEMITE | L33 MAGNETON | L33 VOLTORB | L37 VOLTORB | L33 GRIMER | L37 GRIMER | L38 MAGNETON | L33 MUK | L37 MUK |
| Route 23 | 10 | L41 NIDORINO | L41 NIDORINA | L36 MANKEY | L44 NIDORINO | L44 NIDORINA | L40 FEAROW | L41 MANKEY | L45 FEAROW | L41 PRIMEAPE | L46 PRIMEAPE |
| Victory Road 1F | 10 | L31 GEODUDE | L36 GEODUDE | L41 GEODUDE | L44 ZUBAT | L39 GOLBAT | L44 GRAVELER | L45 ONIX | L47 ONIX | L39 MACHOKE | L42 MACHOKE |
| Victory Road 2F | 15 | L36 GEODUDE | L44 GOLBAT | L41 GEODUDE | L49 ONIX | L46 GEODUDE | L41 GRAVELER | L42 MACHOKE | L45 MACHOKE | L47 GRAVELER | L47 GRAVELER |
| Victory Road B1F | 15 | L26 GEODUDE | L31 GEODUDE | L36 GEODUDE | L39 ZUBAT | L44 ZUBAT | L41 GEODUDE | L43 ONIX | L45 ONIX | L41 GRAVELER | L47 GRAVELER |
| Diglett's Cave | 20 | L18 DIGLETT | L19 DIGLETT | L17 DIGLETT | L20 DIGLETT | L16 DIGLETT | L15 DIGLETT | L21 DIGLETT | L22 DIGLETT | L29 DUGTRIO | L31 DUGTRIO |