This is a list of settlements in Cumbria by population based on the results of the 2021 census. The next United Kingdom census will take place in 2031. In 2021, there were 15 built-up area subdivisions with 5,000 or more inhabitants in Cumbria, shown in the table below.
| # | Settlement | Unitary Authority | Population [1] [2] [3] | |||
|---|---|---|---|---|---|---|
| 2001 | 2011 | 2021 | Change (2011–2021) (%) | |||
| 1 | Carlisle | Cumberland | 70,656 | 75,985 | 77,730 | +2.3% |
| 2 | Barrow-in-Furness | Westmorland and Furness | 58,943 | 56,516 | 55,255 | −2.2% |
| 3 | Kendal | Westmorland and Furness | 26,548 | 27,689 | 28,940 | +4.5% |
| 4 | Whitehaven | Cumberland | 23,924 | 23,926 | 22,945 | −4.1% |
| 5 | Workington | Cumberland | 20,870 | 21,646 | 21,275 | −1.7% |
| 6 | Penrith | Westmorland and Furness | 14,471 | 15,181 | 16,700 | +10.0% |
| 7 | Ulverston | Westmorland and Furness | 10,927 | 11,037 | 11,720 | +6.2% |
| 8 | Cockermouth | Cumberland | 8,121 | 8,562 | 8,860 | +3.5% |
| 9 | Maryport | Cumberland | 9,043 | 8,948 | 8,525 | −4.7% |
| 10 | Dalton-in-Furness | Westmorland and Furness | 8,057 | 7,827 | 7,555 | −3.5% |
| 11 | Cleator Moor | Cumberland | 6,939 | 6,936 | 6,670 | −3.8% |
| 12 | Egremont | Cumberland | 5,996 | 6,222 | 5,795 | −6.9% |
| 13 | Millom | Cumberland | 6,103 | 5,980 | 5,690 | −4.8% |
| 14 | Wigton | Cumberland | 5,011 | 5,391 | 5,395 | +0.1% |
| 15 | Seaton | Cumberland | 4,861 | 5,022 | 5,050 | +0.6% |
