The following table shows all Legislative Assembly electorates to be contested at the 2020 state election, ordered according to two-party-preferred margin.
| Labor Seats | Liberal National Seats | ||
| Seat | Margin | Seat | Margin |
| Townsville | ALP 0.4% | Whitsunday | LNP 0.7% |
| Gaven | ALP 0.7% | Burdekin | LNP 0.8% |
| Mundingburra | ALP 1.1% | Pumicestone | LNP 0.8% |
| Aspley | ALP 1.2% | Bonney | LNP 1.7% |
| Mansfield | ALP 1.6% | Clayfield | LNP 2.4% |
| Barron River | ALP 1.9% | Chatsworth | LNP 2.9% |
| Maryborough | ALP vs ON 2.5% | Currumbin | LNP 3.3% |
| Redlands | ALP 3.1% | Caloundra | LNP 3.4% |
| Keppel | ALP vs ON 3.1% | Glass House | LNP 3.4% |
| Cairns | ALP 3.4% | Coomera | LNP 3.5% |
| South Brisbane | ALP vs GRN 3.6% | Theodore | LNP 3.7% |
| Springwood | ALP 3.6% | Lockyer | LNP vs ON 4.1% |
| Thuringowa | ALP vs ON 4.1% | Bundaberg | LNP 4.2% |
| Ferny Grove | ALP 4.6% | Burleigh | LNP 4.9% |
| Redcliffe | ALP 4.9% | Everton | LNP 4.9% |
| Rockhampton | ALP vs ON 5.2% | Moggill | LNP 5% |
| Mount Ommaney | ALP 5.8% | Nicklin | LNP 5.3% |
| Cook | ALP vs ON 5.8% | Toowoomba North | LNP 5.7% |
| Pine Rivers | ALP 6.2% | Callide | LNP vs ON 6.1% |
| Bancroft | ALP 6.2% | Mermaid Beach | LNP 6.3% |
| Logan | ALP vs ON 6.8% | Oodgeroo | LNP 7.2% |
| Kurwongbah | ALP 7% | Southport | LNP 7.2% |
| Macalister | ALP 7.4% | Ninderry | LNP 8.4% |
| Capalaba | ALP 7.9% | Maroochydore | LNP 8.5% |
| McConnel | ALP 7.9% | Gympie | LNP vs ON 8.7% |
| Miller | ALP 8.2% | Hervey Bay | LNP 9.1% |
| Mackay | ALP 8.3% | Warrego | LNP vs KAP 9.5% |
| Ipswich West | ALP vs ON 8.7% | Mudgeeraba | LNP 9.8% |
| Morayfield | ALP vs ON 8.7% | Condamine | LNP vs ON 9.9% |
| Murrumba | ALP 9.5% | Toowoomba South | LNP 10% |
| Stretton | ALP 9.9% | Burnett | LNP 10.7% |
| Jordan | ALP vs ON 9.9% | Buderim | LNP 11.4% |
| Toohey | ALP 10% | Southern Downs | LNP vs ON 13.1% |
| Greenslopes | ALP 10.1% | Kawana | LNP 13.1% |
| Cooper | ALP 10.6% | Scenic Rim | LNP vs ON 13.1% |
| Waterford | ALP vs ON 10.7% | Nanango | LNP vs ON 13.4% |
| Bulimba | ALP 10.8% | Gregory | LNP vs ON 13.9% |
| Ipswich | ALP vs ON 10.9% | Broadwater | LNP 18% |
| Mulgrave | ALP 10.9% | Surfers Paradise | LNP 19.8% |
| Lytton | ALP 12% | ||
| Stafford | ALP 12.1% | ||
| Sandgate | ALP 13.5% | ||
| Nudgee | ALP 14.3% | Maiwar | GRN vs LNP 1.6% |
| Algester | ALP 14.4% | Mirani | ON vs ALP 4.8% |
| Gladstone | ALP vs ON 20.7% | Hinchinbrook | KAP vs LNP 7.6% |
| Bundamba | ALP 21.6% | Noosa | IND vs LNP 11.5% |
| Inala | ALP 26.1% | Hill | KAP vs LNP 19.7% |
| Woodridge | ALP 26.4% | Traeger | KAP vs ALP 28.5% |