Monmouth County, New Jersey Zip Codes
| Freehold | 56,896 |
| Englishtown | 44,707 |
| Howell | 39,684 |
| Asbury Park | 39,271 |
| Neptune | 37,243 |
| Long Branch | 32,091 |
| Middletown | 28,112 |
| Red Bank | 25,253 |
| Eatontown | 23,739 |
| Belmar | 21,994 |
| Morganville | 21,311 |
| Keyport | 19,369 |
| Marlboro | 18,230 |
| Holmdel | 17,130 |
| Hazlet | 16,720 |
| Keansburg | 13,540 |
| Manasquan | 13,234 |
| Colts Neck | 10,014 |
| Rumson | 9,613 |
| West Long Branch | 8,547 |
| Atlantic Highlands | 8,279 |
| Spring Lake | 8,196 |
| Farmingdale | 6,982 |
| Lincroft | 6,793 |
| Belford | 6,667 |
| Oakhurst | 6,495 |
| Allentown | 6,417 |
| Fair Haven | 6,221 |
| Oceanport | 6,119 |
| Little Silver | 6,104 |
| Cream Ridge | 5,597 |
| Millstone Township | 5,520 |
| Brielle | 4,957 |
| Millstone Township | 4,851 |
| Highlands | 4,740 |
| Port Monmouth | 4,462 |
| Leonardo | 4,181 |
| Bradley Beach | 4,151 |
| Shrewsbury | 4,138 |
| Cliffwood | 3,958 |
| Sea Girt | 3,612 |
| Ocean Grove | 3,246 |
| Monmouth Beach | 3,199 |
| Allenhurst | 1,811 |
| Avon By The Sea | 1,792 |
| Roosevelt | 1,037 |
| Deal | 728 |
| Allenwood | 644 |
| Fort Monmouth | 0 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.