Counties / Wisconsin / Jefferson County

Jefferson County, WI

FIPS 55055 · population 86,003 · part of Watertown, WI

$373k
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
$373k
▲ 5.1% year over year
Zillow ZHVI · direct
Median asking rent
$1,222
▲ 4.0% year over year
Zillow ZORI · direct
Gross yield
3.9%
annual rent ÷ price, before costs
derived: rent × 12 ÷ price ✓
HUD 2-bed standard
$1,156
market rent is 1.06x 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+55.9%not annualized · through 2025
0%ZILLOW ZHVI2026-06+5.1%FHFA HPI2025+5.3%
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$274k
Surveyed gross rent$1,035
Rent burden 30%+38.9%
Median year built1973
Housing composition

Who occupies the stock—and what it is

ACS 2024 5-year
5.5%vacant
36,890estimated housing units
Occupied tenure26.9% renter
owner 73.1%renter 26.9%
Structure mix75.3% single-family
Single-family 75.3%20+ units 4.3%Mobile home 3.6%Other 16.7%
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 jobs33,418▼ 0.6% from the prior annual release
Covered establishments2,397annual average reporting locations
Average weekly wage$1,085▲ 4.1% from the prior annual release
Largest private supersectorManufacturing30.3% of disclosed private covered jobs
Local labor base

Jobs, pay and private-sector concentration

2025
0%COVERED JOBS−0.6%WEEKLY WAGE+4.1%Manufacturing30.3%
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 a price-momentum versus current-income tension: buyers relying on immediate cash flow should be cautious, while buyers with a specific rent and expense plan should investigate. The supplied Zillow county observation reports a $372,516 median home value and $1,222 monthly median asking rent, with a reported 3.94% gross yield before costs. Zillow price growth was 5.09%, while the separately supplied FHFA annual repeat-transaction HPI rose 5.31%; the index supports direction but is not a home value or a combined growth measure.

02Housing economics

Measured asking rent is 5.70% above the $1,156 HUD two-bedroom Fair Market Rent, but FMR is a payment standard rather than an asking-rent estimate. The yield therefore uses the published market rent, not FMR, and it precedes taxes, insurance, maintenance, vacancy, and financing. The effective property-tax rate is 1.46%, and median annual property tax is $4,005, making carrying costs material against the reported yield. Parcel assessments and tax history are not published, preventing a property-specific tax estimate.

03Demand & competition

MLS listing-market evidence is mixed: active listings rose 46.67%, marketing time shortened, and some sellers reduced asking prices; these are visible supply, marketing, and concession signals, not closed-sale evidence or proof of demand. Tax-return migration was net positive by 38 households, but incoming movers averaged $1,522 less income than outgoing movers. Non-occupant purchase mortgages represented 5.43% of recorded purchases. QCEW annual covered jobs at county workplaces declined 0.59%, while Manufacturing accounted for 30.26% of disclosed private covered employment; this is workplace employment, not resident employment or an employment forecast.

04Risk & next checks

Inland flood is the dominant hazard, and modeled expected annual climate loss equals 0.12% of building value; it should be paired with parcel flood zone, elevation, prior-loss, mitigation, and insurance-quote review rather than converted into a dollar estimate. Missing property-level condition, lease roll, vacancy, operating expenses, debt terms, flood-insurance cost, and closed-sale comparables prevent net-yield, debt-service, resale-value, and insurability conclusions. The county thesis can fail if parcel exposure is worse than the county model, expenses overwhelm gross rent, or the listing shift translates into weaker sale execution.

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 city*22.8KWhitewater city*15.8KFort Atkinson city12.5KJefferson city7.7KLake Mills city6.5KWaterloo city3.6KJohnson Creek village3.4KIxonia CDP2.7K
Bars use total place population, not a county-share estimate. An asterisk marks a place that crosses a county line.
Official directory

17 Census places

Population
  1. 01
    Watertown cityIncorporated place · spans 2 counties
    22,774
  2. 02
    Whitewater cityIncorporated place · spans 2 counties
    15,807
  3. 03
    Fort Atkinson cityIncorporated place
    12,463
  4. 04
    Jefferson cityIncorporated place
    7,732
  5. 05
    Lake Mills cityIncorporated place
    6,470
  6. 06
    Waterloo cityIncorporated place
    3,600
  7. 07
    Johnson Creek villageIncorporated place
    3,362
  8. 08
    Ixonia CDPCensus-designated place
    2,684
  9. 09
    Palmyra villageIncorporated place
    2,195
  10. 10
    Lake Ripley CDPCensus-designated place
    1,932
  11. 11
    Cambridge villageIncorporated place · spans 2 counties
    1,617
  12. 12
    Lake Koshkonong CDPCensus-designated place
    1,010
Show 5 more places
  1. 13
    Sullivan villageIncorporated place
    663
  2. 14
    Rome CDPCensus-designated place
    620
  3. 15
    Hebron CDPCensus-designated place
    344
  4. 16
    Lac La Belle villageIncorporated place · spans 2 counties
    259
  5. 17
    Helenville CDPCensus-designated place
    96

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

0.119% of building value expected lost per year

Effective property tax1.46%

$4,005 median annual bill

02
DemandIRS SOI household flows
Net migration+38

2,417 in · 2,379 out

Arriving vs leaving income−$1,522

$59,425 arriving · $60,947 leaving

03
CompetitionHMDA financed purchases
Purchases by investors5.4%

47 of 865 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 listings209▲ 46.7% year over year
Median days on market32▼ 15.1% year over year
Listings price-reduced12.7%seller-concession signal
Median listing pricen/a▲ 0.0% 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-level inland-flood exposure and insurance costs may exceed the county-level climate model.
  2. Taxes, maintenance, vacancy, and financing may absorb a large share of gross rent.
  3. Additional listings and seller price reductions may lead to weaker sale execution than current marketing-time data suggest.
Underwriting questions

Before pricing a property

Is a measured market-rent figure published for the county?

Yes. The record identifies a published median asking-rent measure, allowing gross yield to be reported without using HUD FMR.

What is the county's listed dominant hazard?

Inland flood.

Which disclosed private supersector is the largest by covered employment?

Manufacturing.