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| City | Theresa |
| State | New York (NY) |
| County | Jefferson |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 44.215333 |
| Longitude | -75.797165 |
| Population | 838 |
| Density | 180.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 13691 |
| Area Code | 315 |
| County Seat | Watertown |
| School District | Indian River Central School District |
Theresa is a locality in Jefferson County, New York, United States. It is a small community with a population of 838. The population density is 180.0 people per km². Theresa is located at 44.2153°N, 75.7972°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 13691.
Theresa rests in a landscape shaped by glacial retreat, where the land rolls with a gentle persistence, not dramatic peaks, but a steady rise and fall that cradles fields of corn and hay. It lies 71.3 miles north-north-west of Rome, NY (from Rome, NY: bearing 346°T), and is situated 6.1 miles north-west of Philadelphia. The air here, especially in the early morning, carries a crispness, a clean scent of damp earth and distant pine, a subtle reminder of the northern latitude. Ancient maples, their leaves a riot of color in the autumn, line the few, straight roads that connect the scattered farmsteads and the quiet heart of Theresa itself. The St. Lawrence River, a vast and indifferent presence, lies not far to the north, its influence a cool breath on the summer wind, hinting at a broader world beyond the immediate horizon. The history of Theresa is tied to the fertile soil and the waterways that once powered mills and brought settlers seeking land. Early industries were agricultural, focused on dairy and crops, a legacy that still defines the economic backbone of the region, with tractors and combines marking the seasons as surely as the sun. The old stone buildings, weathered by generations of harsh winters and humid summers, stand as quiet witnesses to a past where resilience was as vital as any crop. While no grand monuments mark its past, the enduring character of Theresa lies in its unpretentious continuity, the quiet hum of everyday life that continues, much like the small creeks that thread through the fields, a constant, unassuming flow.
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This page provides an embedded street and satellite map of Theresa, New York — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 44.215333, -75.797165. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Theresa and Jefferson County.
Detailed location data for Theresa includes the ZIP code (13691), telephone area code (315), county seat of Jefferson County (Watertown), and school district assignment (Indian River Central School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Theresa is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |