| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014/2015 | Championship | 31 | 0 | 8 | 13 | — | — |
| 2015/2016 | Championship | 12 | 0 | 1 | 3 | — | — |
| 2024 | USL League One | 17 | 267 | 4 | 1 | 1.69 | — |
| 2025/2026 | Football League - Lowland League | 4 | 272 | 0 | 3 | 0.99 | — |
| 2012/2013 | Premiership | 8 | 354 | 0 | 0 | 0 | — |
| 2013/2014 | Premiership | 32 | 1014 | 3 | 0 | 0.27 | — |
| 2015/2016 | Premiership | 15 | 0 | 2 | 1 | — | — |
| 2016/2017 | Premiership | 26 | 0 | 1 | 3 | — | — |
| 2017/2018 | Championship | 35 | 2731 | 5 | 7 | 0.4 | — |
| 2018/2019 | Championship | 15 | 756 | 2 | 0 | 0.24 | — |
| 2018/2019 | League One | 3 | 0 | 0 | 0 | — | — |
| 2019/2020 | Championship | 5 | 96 | 0 | 0 | 0 | — |
| 2020 | Premier Division | 13 | 871 | 1 | 0 | 0.1 | — |
| 2021 | Premier Division | 35 | 2278 | 7 | 0 | 0.28 | — |
| 2022 | Premier Division | 11 | 617 | 0 | 0 | 0 | 0 |
| 2023 | USL League One | 5 | 330 | 2 | 0 | 0.55 | 7 |
| 2024/2025 | League One | 12 | 46 | 1 | 0 | — | — |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 21 Premier Division forwards, 2022, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-06
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ross County | 14 | 5 | 4 | 5 | 0 | 1 | 0 | 0 |
 Inverness CT | 13 | 2 | 4 | 7 | 1 | 0 | 0 | 0 |
 St. Mirren | 13 | 6 | 3 | 4 | 1 | 0 | 0 | 0 |
 Livingston | 11 | 6 | 1 | 4 | 0 | 3 | 0 | 0 |
 Partick Thistle | 11 | 4 | 3 | 4 | 1 | 1 | 0 | 0 |
 Falkirk | 11 | 8 | 1 | 2 | 4 | 1 | 0 | 0 |
 Hibernian | 10 | 4 | 2 | 4 | 1 | 1 | 0 | 0 |
 Alloa Athletic | 10 | 6 | 2 | 2 | 0 | 1 | 1 | 0 |
 Aberdeen | 10 | 3 | 3 | 4 | 0 | 0 | 1 | 0 |
 Dundee | 10 | 4 | 2 | 4 | 0 | 0 | 0 | 0 |
 Dumbarton | 10 | 7 | 2 | 1 | 3 | 2 | 0 | 0 |
 Queen of the South | 10 | 8 | 0 | 2 | 1 | 0 | 0 | 0 |
 Dunfermline Athletic | 9 | 5 | 4 | 0 | 1 | 0 | 2 | 0 |
 Motherwell | 9 | 3 | 0 | 6 | 1 | 1 | 0 | 0 |
 Kilmarnock | 8 | 1 | 4 | 3 | 1 | 0 | 1 | 0 |
 St. Johnstone | 8 | 2 | 3 | 3 | 0 | 0 | 0 | 0 |
 Celtic | 7 | 0 | 2 | 5 | 1 | 0 | 0 | 0 |
 Dundee United | 7 | 2 | 1 | 4 | 0 | 0 | 0 | 0 |
 Greenock Morton | 7 | 3 | 3 | 1 | 2 | 0 | 0 | 0 |
 Rangers | 6 | 3 | 0 | 3 | 0 | 0 | 0 | 0 |
In 2024/2025, Billy King hit 1 goal over 12 League One outings (46 minutes) and provided no assists. Measured against a 21-strong pool of Premier Division forwards (2022, min. 450 minutes), he sits in the 10th percentile by goal involvements per 90; on goals he ranks 19th of 21.
Season ratings peak at 7 in 2023, USL League One and bottom out at 0 in 2022.
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Hearts | 2012/2013 - 2016/2017 | 94 | 13 | 14 | 1393 | — | — | — |
| St Patrick's | 2019/2020 - 2022/2023 | 64 | 11 | 0 | 4175 | — | — | — |
| Dundee United | 2017/2018 - 2018/2019 | 60 | 11 | 10 | 4111 | — | — | — |
| Northern Colorado | 2022/2023 - 2024/2025 | 27 | 6 | 1 | 947 | — | — | 7.00 |
| Inverness CT | 2016/2017 | 27 | 1 | 3 | 54 | — | — | — |
| Rangers | 2015/2016 | 13 | 1 | 3 | 0 | — | — | — |
| Arbroath | 2024/2025 | 12 | 1 | 0 | 104 | — | — | — |
| Bonnyrigg Rose Athletic | 2025/2026 - now | 8 | 3 | 4 | 272 | — | — | — |
| Greenock Morton | 2019/2020 | 7 | 0 | 0 | 175 | — | — | — |
| Total | 312 | 47 | 35 | 11231 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 25/26 | Bonnyrigg Rose Athletic | 8 | 3 | — | 272 | 0 | 0 | — |
| 24/25 | Arbroath | 12 | 1 | — | 104 | 0 | 0 | — |
| 23/24 | Northern Colorado | 21 | 4 | — | 609 | 1 | 0 | — |
| 22/23 | Northern Colorado | 6 | 2 | — | 338 | 2 | 0 | 7.00 |
| 21/22 | St Patrick's | 11 | 0 | — | 617 | 0 | 0 | — |
| 20/21 | St Patrick's | 40 | 10 | — | 2687 | 3 | 0 | — |
| 19/20 | St Patrick's | 13 | 1 | — | 871 | 0 | 0 | — |
| 19/20 | Greenock Morton | 7 | 0 | — | 175 | 0 | 0 | — |
| 18/19 | Dundee United | 17 | 3 | — | 791 | 0 | 0 | — |
| 18/19 | Gillingham | 4 | 0 | — | 0 | 0 | 0 | — |
| 17/18 | Dundee United | 41 | 5 | — | 3140 | 2 | 0 | — |
| 16/17 | Inverness CT | 27 | 1 | — | 54 | 2 | 0 | — |
| 15/16 | Rangers | 13 | 1 | — | 0 | 0 | 0 | — |
| 15/16 | Hearts | 20 | 2 | — | 0 | 0 | 0 | — |
