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Jefferson County, New York

Jefferson County, New York · ZIP 13601, 13602, 13603

  • Census data · ACS 2019-2023
Browse the 63 townsFind my townSponsor a town here
  • 113,140 (2024 estimate)Population
  • 46,701Households
  • $64,978Median household income
  • $181,000Median home value
  • 63Towns with a page
  • 41ZIP codes

Jefferson County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020+4.5%
110k112k114k116k118k2000: 111,73820002010: 116,22920102020: 116,7212020111,738116,721
Population of Jefferson County at each census
CensusPopulation
2000111,738
2010116,229
2020116,721

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 36, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 36, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 36, retrieved November 14, 2026.

Household income in Jefferson County
Under $50k38.3%
$50k to $100k31.8%
$100k to $150k18%
$150k to $200k6.9%
$200k and over5%

Median household income $64,978 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 36, retrieved November 14, 2026.

Housing tenure in Jefferson County
Owner occupied
25,278 units
Renter occupied
21,423 units
Vacancy rate
24.3%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 36, retrieved November 14, 2026.

Jobs by sector in Jefferson County2023
Health care and social assistance6,322
Retail trade6,096
Accommodation and food services3,974
Manufacturing2,226
Construction1,635
Administrative and support and waste management and remediation services1,152
Other services (except public administration)1,137
Wholesale trade1,067

28,622 employees in 2,348 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 36, retrieved November 14, 2026.

Jefferson County compared with its state
Jefferson County compared with its state, American Community Survey 2019-2023
MeasureJefferson CountyNew York
Population116,13019,872,319
Median household income$64,978$84,578
Median age33.239.6
Median home value$181,000$403,000
Bachelor’s degree or higher25.7%39.6%
Foreign-born residents4.7%22.6%
Owner-occupied homes54.1%54.3%
Mean commute to work19.6 minutes32.8 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 36, retrieved November 14, 2026.

Townships, towns and villages in Jefferson County63 with a page · sort by any column

Type
Le Ray TownTown24,27473.6 sq mi
WatertownCity24,0389.03 sq mi
Fort DrumCensus designated place16,12414.3 sq mi
Brownville TownTown5,76858.9 sq mi
Wilna TownTown5,59878.0 sq mi
Watertown TownTown5,46435.7 sq mi
Adams TownTown4,89342.2 sq mi
Clayton TownTown4,63182.5 sq mi
Champion TownTown4,49744.0 sq mi
Alexandria TownTown3,68572.6 sq mi
Ellisburg TownTown3,31185.2 sq mi
Pamelia TownTown3,27434.1 sq mi
CarthageVillage3,2572.43 sq mi
CalciumCensus designated place3,2455.61 sq mi
Hounsfield TownTown3,23749.0 sq mi
Rutland TownTown2,98245.2 sq mi
Orleans TownTown2,76471.3 sq mi
Theresa TownTown2,62265.1 sq mi
Cape Vincent TownTown2,54156.3 sq mi
Lyme TownTown2,23655.9 sq mi
Philadelphia TownTown1,95237.7 sq mi
West CarthageVillage1,7491.31 sq mi
ClaytonVillage1,6891.60 sq mi
AdamsVillage1,6711.44 sq mi
Antwerp TownTown1,665106.0 sq mi
Henderson TownTown1,42441.2 sq mi
Sackets HarborVillage1,3642.31 sq mi
Black RiverVillage1,2361.78 sq mi
Rodman TownTown1,18142.3 sq mi
PhiladelphiaVillage1,1430.96 sq mi
DexterVillage1,0110.67 sq mi
Adams CenterCensus designated place1,0024.86 sq mi
Alexandria BayVillage9420.75 sq mi
Great BendCensus designated place9425.79 sq mi
BrownvilleVillage9280.62 sq mi
Lorraine TownTown90439.0 sq mi
Pamelia CenterCensus designated place7811.40 sq mi
TheresaVillage7421.26 sq mi
Cape VincentVillage7270.70 sq mi
La FargevilleCensus designated place6373.31 sq mi
Evans MillsVillage6130.82 sq mi
ChaumontVillage5950.98 sq mi
AntwerpVillage5121.00 sq mi
Glen ParkVillage4450.71 sq mi
DepauvilleCensus designated place4309.82 sq mi
Pierrepont ManorCensus designated place3550.77 sq mi
RedwoodCensus designated place3421.97 sq mi
MannsvilleVillage3200.90 sq mi
Felts MillsCensus designated place2650.59 sq mi
DeferietVillage2560.67 sq mi
HendersonCensus designated place2400.53 sq mi
BellevilleCensus designated place2310.66 sq mi
Thousand Island ParkCensus designated place2160.30 sq mi
EllisburgVillage2111.00 sq mi
Worth TownTown19943.3 sq mi
RodmanCensus designated place1750.16 sq mi
PlessisCensus designated place1730.35 sq mi
OxbowCensus designated place1090.40 sq mi
LorraineCensus designated place910.49 sq mi
Natural BridgeCensus designated place761.28 sq mi
Fishers LandingCensus designated place690.45 sq mi
Three Mile BayCensus designated place400.28 sq mi
HerringsCensus designated place00.15 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 36 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Jefferson County

Jobs across Jefferson County

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Events in the next 31 days

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 36, retrieved November 14, 2026.