49 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 7728 | Freehold | 56,896 |
| 7726 | Englishtown | 44,707 |
| 7731 | Howell | 39,684 |
| 7712 | Asbury Park | 39,271 |
| 7753 | Neptune | 37,243 |
| 7740 | Long Branch | 32,091 |
| 7748 | Middletown | 28,112 |
| 7701 | Red Bank | 25,253 |
| 7724 | Eatontown | 23,739 |
| 7719 | Belmar | 21,994 |
| 7751 | Morganville | 21,311 |
| 7735 | Keyport | 19,369 |
| 7746 | Marlboro | 18,230 |
| 7733 | Holmdel | 17,130 |
| 7730 | Hazlet | 16,720 |
| 7734 | Keansburg | 13,540 |
| 8736 | Manasquan | 13,234 |
| 7722 | Colts Neck | 10,014 |
| 7760 | Rumson | 9,613 |
| 7764 | West Long Branch | 8,547 |
| 7716 | Atlantic Highlands | 8,279 |
| 7762 | Spring Lake | 8,196 |
| 7727 | Farmingdale | 6,982 |
| 7738 | Lincroft | 6,793 |
| 7718 | Belford | 6,667 |
| 7755 | Oakhurst | 6,495 |
| 8501 | Allentown | 6,417 |
| 7704 | Fair Haven | 6,221 |
| 7757 | Oceanport | 6,119 |
| 7739 | Little Silver | 6,104 |
| 8514 | Cream Ridge | 5,597 |
| 8510 | Millstone Township | 5,520 |
| 8730 | Brielle | 4,957 |
| 8535 | Millstone Township | 4,851 |
| 7732 | Highlands | 4,740 |
| 7758 | Port Monmouth | 4,462 |
| 7737 | Leonardo | 4,181 |
| 7720 | Bradley Beach | 4,151 |
| 7702 | Shrewsbury | 4,138 |
| 7721 | Cliffwood | 3,958 |
| 8750 | Sea Girt | 3,612 |
| 7756 | Ocean Grove | 3,246 |
| 7750 | Monmouth Beach | 3,199 |
| 7711 | Allenhurst | 1,811 |
| 7717 | Avon By The Sea | 1,792 |
| 8555 | Roosevelt | 1,037 |
| 7723 | Deal | 728 |
| 8720 | Allenwood | 644 |
| 7703 | Fort Monmouth | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 49 ZCTAs in Monmouth County, New Jersey (US Census).