Counties / New York / Jefferson County

Jefferson County, NY

FIPS 36045 · population 115,040 · part of Watertown, NY

$236k
Zillow home value · 2026-06
The numbers

What this county costs and earns

Everything here joins on the county FIPS code, so each figure comes from the agency that publishes it with no name matching in between.

Zillow home value
$236k
▲ 5.4% year over year
Zillow ZHVI · direct
Median asking rent
$1,467
▲ 7.2% year over year
Zillow ZORI · direct
Gross yield
7.4%
annual rent ÷ price, before costs
derived: rent × 12 ÷ price ✓
HUD 2-bed standard
$1,405
market rent is 1.04x the standard
HUD Fair Market Rent · direct
Independent price check

Do two methods point the same way?

Zillow estimates a current home value. FHFA tracks repeat mortgage transactions. Their growth rates should be read side by side, not averaged.

Both annual signals move in the same direction
FHFA five-year cumulative+34.2%not annualized · through 2025
0%ZILLOW ZHVI2026-06+5.4%FHFA HPI2025+4.0%
Annual changes use different methods and may use different periods. The comparison checks direction and magnitude; it does not create a blended estimate. Zillow county ZHVI pulled 2026-07-26; FHFA annual county HPI pulled 2026-07-28.
Owner-reported value$188k
Surveyed gross rent$1,213
Rent burden 30%+47.9%
Median year built1972
Housing composition

Who occupies the stock—and what it is

ACS 2024 5-year
23.0%vacant
61,862estimated housing units
Occupied tenure45.4% renter
owner 54.6%renter 45.4%
Structure mix64.4% single-family
Single-family 64.4%20+ units 4.9%Mobile home 10.1%Other 20.7%
ACS estimates describe the standing housing stock and occupied tenure. They do not measure current listings, transaction prices or asking rents.

Survey source: Census ACS 5-year — county housing value, tenure and stock · ACS 2024 5-year · pulled 2026-07-30. These values describe different housing universes and are not combined into gross yield.

Annual average covered jobs40,557▲ 0.6% from the prior annual release
Covered establishments2,898annual average reporting locations
Average weekly wage$1,108▲ 3.7% from the prior annual release
Largest private supersectorTrade, transportation, and utilities27.4% of disclosed private covered jobs
Local labor base

Jobs, pay and private-sector concentration

2025
0%COVERED JOBS+0.6%WEEKLY WAGE+3.7%Trade, transportation, and utilities27.4%
Annual QCEW counts cover jobs located at reporting establishments. The industry share uses disclosed private covered employment; it is not a resident-employment measure or a forecast.

Workplace source: BLS QCEW — county employment and wages · annual county employment and wages 2025 vs 2024 · pulled 2026-07-31. QCEW counts covered jobs located in the county, not employed residents or the metro score’s CES/LAUS series.

County brief

What the local evidence says

01Decision frame

Jefferson County presents income potential against softer visible resale conditions and carrying-risk uncertainty. Buyers able to underwrite current rental cash flow and slower dispositions should investigate; those relying on rapid appreciation or an easy resale should be cautious. Zillow reports a 5.42% year-over-year county home-value change, while the separately labeled FHFA annual repeat-transaction HPI rose 4.00%. Both are positive, but the methods and vintages differ. FHFA is an index, not a home value, and the figures must not be combined into one appreciation rate.

02Housing economics

Zillow’s median home value is $236,464 and median asking market rent is $1,467 per month, yielding the supplied 7.44% gross yield before costs. This is market rent, not HUD two-bedroom FMR: FMR is a payment standard and cannot validate asking rent or yield. The 1.54% effective property-tax rate and $2,899 median annual tax make parcel tax review material. Gross yield excludes insurance, repairs, vacancy, management, financing and flood costs.

03Demand & competition

Workplace evidence is mixed. QCEW says annual covered employment at county workplaces grew 0.62%; it is neither resident employment nor unemployment. Trade, transportation, and utilities is the largest disclosed private supersector, not the whole economy. Realtor.com MLS evidence shows active listings up 26.90%, median listing prices down 6.20%, and 18.49% reduced. These are visible supply, asking-price and seller-concession signals—not closed sales or proof of demand. Net migration was negative 428 tax-return households, with inbound mover average income $2,689 below outbound income. Non-occupant purchase mortgages represented 73 of 1,054 purchases: investor competition exists, but is not the defining buyer base.

04Risk & next checks

Inland flood is the dominant hazard; modeled annual climate loss equals 0.09% of building value, a modeled ratio rather than a parcel loss estimate. Vacancy, lease renewals, unit mix, operating expenses, insurance quotes, flood-zone location, sale-price history and debt terms are not published. Their absence prevents a net-yield conclusion, a flood-cost assessment and confirmation that listing conditions support executable exits. Next checks: parcel flood and insurance files, comparable leases and signed rents, tax bills, condition, and closed-sale comparables.

Cities & communities

Where people live within Jefferson County

Census-recognized incorporated places and CDPs that intersect this county. The list does not pretend to include every neighborhood or informal community.

Population scale

Largest Census places

ACS 2024 5-year
Watertown city24.4KFort Drum CDP16.1KCarthage village3.5KCalcium CDP2.9KWest Carthage village1.9KClayton village1.7KBlack River village1.7KAdams village1.5K
Bars use total place population, not a county-share estimate. An asterisk marks a place that crosses a county line.
Official directory

41 Census places

Population
  1. 01
    Watertown cityIncorporated place
    24,375
  2. 02
    Fort Drum CDPCensus-designated place
    16,065
  3. 03
    Carthage villageIncorporated place
    3,510
  4. 04
    Calcium CDPCensus-designated place
    2,935
  5. 05
    West Carthage villageIncorporated place
    1,864
  6. 06
    Clayton villageIncorporated place
    1,661
  7. 07
    Black River villageIncorporated place
    1,651
  8. 08
    Adams villageIncorporated place
    1,531
  9. 09
    Sackets Harbor villageIncorporated place
    1,490
  10. 10
    Alexandria Bay villageIncorporated place
    1,212
  11. 11
    Adams Center CDPCensus-designated place
    1,075
  12. 12
    Theresa villageIncorporated place
    945
Show 29 more places
  1. 13
    Great Bend CDPCensus-designated place
    938
  2. 14
    Pamelia Center CDPCensus-designated place
    907
  3. 15
    Philadelphia villageIncorporated place
    821
  4. 16
    Dexter villageIncorporated place
    754
  5. 17
    Brownville villageIncorporated place
    700
  6. 18
    Antwerp villageIncorporated place
    683
  7. 19
    Cape Vincent villageIncorporated place
    658
  8. 20
    Evans Mills villageIncorporated place
    653
  9. 21
    Chaumont villageIncorporated place
    650
  10. 22
    Glen Park villageIncorporated place
    624
  11. 23
    La Fargeville CDPCensus-designated place
    512
  12. 24
    Pierrepont Manor CDPCensus-designated place
    425
  13. 25
    Mannsville villageIncorporated place
    417
  14. 26
    Felts Mills CDPCensus-designated place
    402
  15. 27
    Redwood CDPCensus-designated place
    371
  16. 28
    Deferiet villageIncorporated place
    366
  17. 29
    Depauville CDPCensus-designated place
    310
  18. 30
    Thousand Island Park CDPCensus-designated place
    222
  19. 31
    Belleville CDPCensus-designated place
    220
  20. 32
    Rodman CDPCensus-designated place
    220
  21. 33
    Henderson CDPCensus-designated place
    207
  22. 34
    Plessis CDPCensus-designated place
    176
  23. 35
    Ellisburg villageIncorporated place
    150
  24. 36
    Lorraine CDPCensus-designated place
    107
  25. 37
    Oxbow CDPCensus-designated place
    92
  26. 38
    Fishers Landing CDPCensus-designated place
    91
  27. 39
    Natural Bridge CDPCensus-designated place
    91
  28. 40
    Three Mile Bay CDPCensus-designated place
    44
  29. 41
    Herrings CDPCensus-designated place
    0

Population is the total place-wide ACS estimate, not an allocated county share. A place crossing a county line is labelled explicitly. Source: Census ACS 5-year — cities and communities · ACS 2024 5-year · pulled 2026-07-30.

Risk, demand and competition

The three things a price does not tell you

01
Risk & carrying costFEMA NRI + Census ACS
Dominant hazardinland flooding

0.094% of building value expected lost per year

Effective property tax1.54%

$2,899 median annual bill

02
DemandIRS SOI household flows
Net migration-428

4,057 in · 4,485 out

Arriving vs leaving income−$2,689

$50,450 arriving · $53,139 leaving

03
CompetitionHMDA financed purchases
Purchases by investors6.9%

73 of 1,054 mortgages

investorother financed
Current listing pressure

What sellers and visible supply are doing

Realtor.com® Economic Research · county inventory 2026-06 · pulled 2026-07-28
Active listings392▲ 26.9% year over year
Median days on market44▲ 5.5% year over year
Listings price-reduced18.5%seller-concession signal
Median listing pricen/a▼ 6.2% year over year

Listing price is an asking price, not a closed sale. Quality-flagged county rows are withheld instead of displayed.

Bear case

What can break the county thesis

  1. Parcel flood exposure and insurance may overwhelm the county-level yield.
  2. Unpublished vacancy and operating costs may reduce or eliminate net income.
  3. MLS listing signals may not match closed-sale liquidity or the subject submarket.
Underwriting questions

Before pricing a property

What is the dominant hazard?

Inland flood.

Is the HUD two-bedroom FMR a market-rent estimate?

No. It is a payment standard, while the record separately publishes median asking market rent.

Which private supersector is largest among those disclosed?

Trade, transportation, and utilities.