Kingston upon Thames's 2026 population is now estimated at 173,846. In 2025, the population of Kingston upon Thames was 173,268. Kingston upon Thames has grown by 578 in the last year, which represents a 0.33% annual change. These population values and projections come from World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| London | 9,188,200 | 0.54% |
| Birmingham | 1,199,447 | 0.67% |
| Leeds | 860,894 | 0.92% |
| Glasgow | 663,221 | 0.99% |
| Manchester | 605,521 | 1.34% |
| Cornwall | 591,594 | 0.71% |
| Sheffield | 588,768 | 0.54% |
| Bradford | 570,186 | 0.58% |
| County Durham | 543,515 | 0.51% |
| Edinburgh | 540,101 | 0.88% |
| Wiltshire | 531,890 | 0.78% |
| Liverpool | 518,060 | 0.89% |
| Bristol | 504,401 | 1.01% |
| Kirklees | 451,654 | 0.42% |
| Cheshire East | 431,445 | 1.2% |
| Croydon | 415,854 | 0.79% |
| Barnet | 411,361 | 0.78% |
| Leicester | 397,462 | 1.17% |
| Ealing | 392,217 | 0.8% |
| Cardiff | 391,495 | 0.98% |