County Dossier

Jefferson County

New York | County

Population

115,040

Land Area

1,267.9 sq mi

Context

Metro

Geography

County silhouette

Land Area
1,267.9 sq mi
Water Area
588.6 sq mi
Water Share
31.7%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

115,040

Density
90.7 / sq mi
Households
47,606
Housing Units
61,862
Median Age
33.7 years

Income & Economy

Median Household Income

$66,301

GDP

$8.28B

Real GDP Change+0.4%
Per Capita Income
$36,025
Personal Income
$6.58B
Personal Income Per Capita
$58,150

Classification

RUCC 3
Metro

Counties in metro areas of fewer than 250,000 population

Relief

Min

227 ft

Mean

451 ft

Max

1,736 ft

Provenance

GEOID 36045 ANSI 00974121
Latitude 43.99639 Longitude -76.05297
Canonical 2025 Gazetteer ACS ACS 2020-2024 5-year BEA BEA county 2024 release (2026-02-05) BLS BLS LAUS 2024 annual average USDA USDA RUCC 2023 USGS USGS 3DEP published as of 2026-03-23