Hennef (Sieg)'s 2026 population is now estimated at 48,454.In 1990, the population of Hennef (Sieg) was 32,521.Hennef (Sieg) has grown by 133 in the last year, which represents a 0.28% annual change.These population values and projections come from Germany cities and communes over 10k via CityPopulation state pages and World Population Review Internal Projections.
City | 2026 Pop.↓ | Growth |
|---|---|---|
| Berlin | 3,775,697 | 1.22% |
| Hamburg | 1,917,879 | 1.47% |
| Munich | 1,531,842 | 0.89% |
| Cologne | 1,031,939 | 0.36% |
| Frankfurt am Main | 768,993 | 0.85% |
| Dusseldorf | 626,202 | 0.61% |
| Leipzig | 625,081 | 1.08% |
| Stuttgart | 614,876 | 0.18% |
| Dortmund | 608,723 | 0.43% |
| Bremen | 597,689 | 0.97% |
| Essen | 578,348 | 0.32% |
| Dresden | 572,117 | 0.64% |
| Nuremberg | 536,555 | 0.66% |
| Hanover | 531,123 | 0.86% |
| Duisburg | 503,126 | 0.09% |
| Bochum | 363,118 | 0.62% |
| Wuppertal | 359,624 | 0.2% |
| Bielefeld | 333,145 | 0.23% |
| Bonn | 325,138 | 0.28% |
| Mannheim | 322,437 | 0.69% |
