| Official Name: | Hailesboro, New York |
| Pushpin Map: | New York#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Lawrence |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 4.807 |
| Area Land Sq Mi: | 4.727 |
| Area Water Sq Mi: | 0.080 |
| Population As Of: | 2010 |
| Population Total: | 624 |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 492 |
| Coordinates: | 44.31°N -75.4464°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 13645 |
| Area Code: | 315 & 680 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 976391 |
Hailesboro is a hamlet and census-designated place in St. Lawrence County, New York, United States. Its population was 624 as of the 2010 census.[1] Hailesboro has a post office with ZIP code 13645.[2] [3] New York State Route 58 and New York State Route 812 pass through the community.
According to the U.S. Census Bureau, the community has an area of ; of its area is land, and is water.[1]