| Název obce | Počet obyvatel | Celkem registrovaných | Poměr k obyvatelům | Z toho do 3 let | do 6 let | do 15 let | do 18 let | do 65 let | seniorů |
|---|---|---|---|---|---|---|---|---|---|
| Býkev | 481 | 34 | 7.07% | 1 | 0 | 3 | 1 | 29 | 0 |
| Cítov | 1215 | 21 | 1.73% | 0 | 0 | 2 | 0 | 17 | 2 |
| Čečelice | 669 | 3 | 0.45% | 0 | 0 | 0 | 1 | 2 | 0 |
| Dobřeň | 168 | 2 | 1.19% | 0 | 0 | 0 | 0 | 2 | 0 |
| Dolní Beřkovice | 1500 | 20 | 1.33% | 0 | 1 | 2 | 1 | 13 | 3 |
| Dolní Zimoř | 95 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dřísy | 930 | 50 | 5.38% | 0 | 2 | 2 | 3 | 42 | 1 |
| Hlavenec | 379 | 37 | 9.76% | 0 | 1 | 3 | 4 | 27 | 2 |
| Hořín | 858 | 43 | 5.01% | 3 | 0 | 9 | 4 | 24 | 3 |
| Hostín | 313 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Kadlín | 137 | 2 | 1.46% | 0 | 0 | 0 | 0 | 2 | 0 |
| Kanina | 88 | 1 | 1.14% | 0 | 0 | 0 | 1 | 0 | 0 |
| Kly | 1577 | 33 | 2.09% | 0 | 0 | 5 | 3 | 21 | 4 |
| Kokořín | 388 | 1 | 0.26% | 0 | 0 | 0 | 0 | 0 | 1 |
| Lhota | 468 | 17 | 3.63% | 0 | 2 | 2 | 0 | 12 | 1 |
| Lhotka | 298 | 1 | 0.34% | 0 | 0 | 0 | 0 | 1 | 0 |
| Liběchov | 1033 | 20 | 1.94% | 0 | 1 | 2 | 3 | 11 | 3 |
| Liblice | 477 | 7 | 1.47% | 0 | 0 | 0 | 0 | 6 | 1 |
| Lobeč | 152 | 5 | 3.29% | 0 | 0 | 1 | 0 | 3 | 1 |
| Lužec nad Vltavou | 1379 | 78 | 5.66% | 3 | 1 | 9 | 4 | 54 | 7 |
| Malý Újezd | 1100 | 22 | 2% | 1 | 1 | 0 | 1 | 19 | 0 |
| Medonosy | 142 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Mělnické Vtelno | 966 | 1 | 0.1% | 0 | 0 | 0 | 0 | 1 | 0 |
| Mělník | 18808 | 947 | 5.04% | 22 | 29 | 151 | 78 | 628 | 39 |
| Nebužely | 409 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Nedomice | 296 | 19 | 6.42% | 0 | 0 | 1 | 0 | 18 | 0 |
| Nosálov | 189 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Obříství | 1501 | 37 | 2.47% | 1 | 0 | 2 | 6 | 23 | 5 |
| Řepín | 684 | 10 | 1.46% | 0 | 0 | 3 | 0 | 7 | 0 |
| Stránka | 220 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Střemy | 450 | 10 | 2.22% | 0 | 0 | 0 | 2 | 7 | 1 |
| Sudovo Hlavno | 515 | 9 | 1.75% | 1 | 1 | 1 | 0 | 5 | 1 |
| Tuhaň | 777 | 10 | 1.29% | 0 | 0 | 1 | 2 | 4 | 3 |
| Tupadly | 143 | 17 | 11.89% | 2 | 0 | 3 | 0 | 12 | 0 |
| Velký Borek | 1101 | 23 | 2.09% | 0 | 3 | 0 | 0 | 18 | 2 |
| Vidim | 122 | 0% | 0 | 0 | 0 | 0 | 0 | 0 | |
| Vraňany | 914 | 56 | 6.13% | 1 | 1 | 3 | 1 | 49 | 1 |
| Všetaty | 2278 | 122 | 5.36% | 1 | 1 | 12 | 11 | 87 | 10 |
| Vysoká | 899 | 5 | 0.56% | 0 | 0 | 0 | 0 | 5 | 0 |
| Želízy | 510 | 4 | 0.78% | 1 | 0 | 0 | 0 | 3 | 0 |
| Celkem | 44629 | 1667 | 3.74% |
| Býkev | 481 | 34 |
| Cítov | 1215 | 21 |
| Čečelice | 669 | 3 |
| Dobřeň | 168 | 2 |
| Dolní Beřkovice | 1500 | 20 |
| Dolní Zimoř | 95 | |
| Dřísy | 930 | 50 |
| Hlavenec | 379 | 37 |
| Hořín | 858 | 43 |
| Hostín | 313 | |
| Kadlín | 137 | 2 |
| Kanina | 88 | 1 |
| Kly | 1577 | 33 |
| Kokořín | 388 | 1 |
| Lhota | 468 | 17 |
| Lhotka | 298 | 1 |
| Liběchov | 1033 | 20 |
| Liblice | 477 | 7 |
| Lobeč | 152 | 5 |
| Lužec nad Vltavou | 1379 | 78 |
| Malý Újezd | 1100 | 22 |
| Medonosy | 142 | |
| Mělnické Vtelno | 966 | 1 |
| Mělník | 18808 | 947 |
| Nebužely | 409 | |
| Nedomice | 296 | 19 |
| Nosálov | 189 | |
| Obříství | 1501 | 37 |
| Řepín | 684 | 10 |
| Stránka | 220 | |
| Střemy | 450 | 10 |
| Sudovo Hlavno | 515 | 9 |
| Tuhaň | 777 | 10 |
| Tupadly | 143 | 17 |
| Velký Borek | 1101 | 23 |
| Vidim | 122 | |
| Vraňany | 914 | 56 |
| Všetaty | 2278 | 122 |
| Vysoká | 899 | 5 |
| Želízy | 510 | 4 |
| Celkem | 44629 | 1667 |