A PLACE WE KNEW by DEAN LEWIS has sold 795,000 copies in 7 countries. The album sold best in United States (500,000 copies), United Kingdom (100,000 copies) and Australia (70,000 copies).
A PLACE WE KNEW certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Australia |
70,000 | 1x Platinum | 2020 |
Australia Sales: 70,000
Certification / note: 1x Platinum
Certification Date / sales as of: 2020
|
 Canada |
40,000 | 1x Gold | June 4, 2019 |
Canada Sales: 40,000
Certification / note: 1x Gold
Certification Date / sales as of: June 4, 2019
|
 Denmark |
40,000 | 2x Platinum | 23 May, 2023 |
Denmark Sales: 40,000
Certification / note: 2x Platinum
Certification Date / sales as of: 23 May, 2023
|
 Norway |
40,000 | 2x Platinum | 30 October, 2019 |
Norway Sales: 40,000
Certification / note: 2x Platinum
Certification Date / sales as of: 30 October, 2019
|
 Singapore |
5,000 | 1x Gold | 2019 |
Singapore Sales: 5,000
Certification / note: 1x Gold
Certification Date / sales as of: 2019
|
 United Kingdom |
100,000 | 1x Gold | 01 July, 2022 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 01 July, 2022
|
 United States |
500,000 | 1x Gold | 1 March, 2021 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 1 March, 2021
|
| Total sales | 795,000 | (in 7 countries) |
Total
Sales: 795,000
(in 7 countries)
|
Year-end chart performance for A PLACE WE KNEW
| Chart 2019 | Rank | Sales |
| Australian Albums (ARIA) |
16 | >140,000 |
 Belgian Albums (Ultratop Flanders) |
174 | |
 New Zealand Albums (RMNZ) |
43 | |
| Chart 2020 | Rank | Sales |
| Australian Albums (ARIA) |
42 | |
| Belgian Albums (Ultratop Flanders) |
132 | |
| Norwegian Albums (IFPI Norway) |
31 | |
| Chart 2021 | Rank | Sales |
| Australian Albums (ARIA) |
85 | |
| Chart 2022 | Rank | Sales |
| Australian Albums (ARIA) |
93 | |
| Danish Albums (Hitlisten) |
10 |