Population in Flen
2011–2025 · residents
15,095residents (2025)
14-yr trend: -6 %2011: 16,063; 2012: 16,019; 2013: 16,156; 2014: 16,242; 2015: 16,440; 2016: 16,830; 2017: 16,864; 2018: 16,705; 2019: 16,585; 2020: 16,431; 2021: 16,316; 2022: 16,058; 2023: 15,668; 2024: 15,362; 2025: 15,095
Larger chart and table

| Year | residents |
|---|---|
| 2025 | 15,095 |
| 2024 | 15,362 |
| 2023 | 15,668 |
| 2022 | 16,058 |
| 2021 | 16,316 |
| 2020 | 16,431 |
| 2019 | 16,585 |
| 2018 | 16,705 |
| 2017 | 16,864 |
| 2016 | 16,830 |
| 2015 | 16,440 |
| 2014 | 16,242 |
| 2013 | 16,156 |
| 2012 | 16,019 |
| 2011 | 16,063 |