Jefferson County

From Jefferson County NY Wiki

Jefferson County, NY is located near the Canadian border (approximately 70 miles north of Syracuse) and includes the Thousand Islands. It is the home to beautiful outdoors as well as shopping and much history. The county consists of twelve-hundred square miles of land with a population of 116,000+ as of July 2021 (census link). Jefferson County was created around 1805 from the County of Oneida and named after Thomas Jefferson (for more history see entries below).

Jefferson County's major city is Watertown with a population of over 27,000+. The county also includes numerous townships, villages, and hamlets. All townships have a historian and a clerk, and some villages have a clerk and historian; who may be the same person as the township's. Some villages are so small that they are considered hamlets and are governed by a larger village or township.

Fort Drum, the military installation and home of the 10th Mountain Division, is also situated in Jefferson County. Jefferson Community College is the main collegial institution in Jefferson County.

Adjacent counties are St. Lawrence, Lewis, and Oswego with the country of Canada on the north. The western border of the county is the St. Lawrence River and Lake Ontario, and other major rivers in the county are the Black River and the Indian River.

Jefferson County Maps

Multiple maps including interactive zoomable one, political divisions, etc.


The county seat and largest city in the Jefferson County.

Jefferson County Timeline

A chronological list of the major events in Jefferson County's history.

County Agencies

County agencies including fire, police, ambulance, mental health and others.

Politics in Jefferson County

The political scene, mayors of Watertown, etc.


Schools and education in the area.

The Stores of Watertown

Stores and shopping.

Entertainment & Recreation

Outdoor and indoor, fun, entertainment, recreation, parks, trails, etc. Revisit the past with a look at old Movie Theaters and Drive-Ins, as well as a look at what exists today for Entertainment & Recreation!

Jefferson County also has a multitude of trail systems. For a list see the external site NNY Trails.

Historic Structures in Jefferson County

Historic and interesting buildings and structures, both still standing as well as long-gone.


11,500 years of human history on one page. Makes all the rest seem kinda trivial when you think about it.


A brief history of Watertown and Jefferson County.

Jefferson County Battles and Conflicts

Military (and otherwise) battles, skirmishes, and conflicts which took place in Jefferson County

Industry in Jefferson County

Jefferson County's Restaurants & Nightlife

Listing of restaurants, diners, bars, taverns, and dance clubs.

Notable Personalities Living and Dead

Enjoy discussing all of the Notable Personalities Living and Dead in Watertown.

Famous Jefferson County Visitors

Many famous persons have visited Watertown, the Thousand Islands, Camp Drum/Fort Drum and other Jefferson County environs.

Disasters and Catastrophes, Natural or Otherwise

Disasters and Catastrophes in the North Country.

Notorious Jefferson County Crime

Crime and punishment in Jefferson County

Agriculture & Farming

Agriculture and Farming in Jefferson County, covering both the past and today.

Inventions, Discoveries and Ideas

From Jefferson County.

Jefferson County Fables and Legends

A listing of local legends and folklore, hauntings and ghost stories, and the supernatural

Towns, Cities, Villages, Hamlets in Jefferson County

A complete list of Jefferson County's political divisions.

TV, Radio, and Other Media

Local TV, radio, and other media and their histories.

Highways and Roads of Jefferson County

Major highways and roads in or traveling through the county

Name Origins

Origins of names and original names of locations

Historical Glossaries and References

Explanations and modern day equivalents

Local Links

Local websites categorized by both local and general interest.

Local Scanner Radio Frequencies