Adirondacks & North Country
Theresa, New York
Theresa is a town in Jefferson County, in New York's Adirondacks & North Country region, home to about 2,600 people as of the 2020 census.
Whether you're moving in or you've been here for years, the checks that matter most are the school district, the assessment and STAR, and — outside the cities — the well, the septic, and the flood map.
- Type
- Town
- County
- Jefferson
- Region
- Adirondacks & North Country
- Population (2020)
- 2,648
Local Almanac
Notes in and around Theresa
Short, sourced notes tied to this place, its county, or nearby communities.
This place · The Outdoors
Theresa's Indian River Story Runs From Falls to Wetlands
Theresa's story links early mills and bridge work at the falls with today's Indian River Wildlife Management Area.
Read this note ->Nearby · History & Culture
Alexandria's Thousand Islands story has a castle at its center
Boldt Castle gives Alexandria and Alexandria Bay one of the clearest Thousand Islands identity markers.
Read this note ->Nearby · History & Culture
Antwerp has an Indian River village tucked against Fort Drum
Antwerp's village identity comes from the Indian River, a historic-registry village center, and a Fort Drum edge.
Read this note ->Nearby · History & Culture
Philadelphia, New York Has Its Own Quiet Philly
Philadelphia in northern Jefferson County is a rural town with Quaker settlement roots, Indian River recreation, and a local Philly identity.
Read this note ->Jefferson County · Money & Taxes
Watertown Water and Sewer Bills Have a Monthly Due-Day Habit
Watertown homeowners should know the water-sewer billing rhythm, online payment route, and penalty date before the bill sits too long.
Read this note ->Jefferson County · Cars & Driving
North Country Winter Travel Is a Check-Early Habit
Lake-effect snow, Adirondack elevation, and long rural gaps make winter travel manageable when drivers check forecasts and 511NY before leaving.
Read this note ->Jefferson County · The Outdoors
Ellisburg Reaches Lake Ontario at Southwick Beach
Ellisburg's Lake Ontario edge includes Southwick Beach State Park and a sandy public shoreline.
Read this note ->Jefferson County · Home & Property
Watertown and Brownville Property Questions Start With Jefferson County GIS
For Watertown town or Brownville property questions, Jefferson County's GIS and property-search tools are the practical starting point before calling local offices.
Read this note ->Jefferson County · History & Culture
Hounsfield reads through Sackets Harbor and farm roads
Hounsfield carries lake-plain farm roads, Sackets Harbor history, and the town layer around the village.
Read this note ->Property tax snapshot
Roughly $10–$16 per $1,000
Combined full-value rate — county + town/city + school district, per $1,000 of market value (FY2025). On a $300,000 home that's about $2,990–$4,907 a year before the STAR break.
A planning estimate, not a bill. Your exact rate depends on your school district and any village. Confirm with the assessor.
Statewide links
Statewide starting points.
Good to know
- • Your assessed value usually isn't your market value — ask for the equalization rate.
- • Register for STAR; new applicants generally receive a credit instead of an automatic exemption on the bill.
- • Outside the cities, check the well, the septic, and the FEMA flood map before you buy.
Nearby
Nearby places
Tax rates: NYS Dept of Taxation & Finance (ORPTS), Real Property Tax Rates and Levy Data by Municipality, data.ny.gov dataset iq85-sdzs. (FY2025). Population: U.S. Census 2020. Reviewed June 2026. Source data ->
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